Tag Archives: screw drywall

China Good quality Kinger Farm Tools Screw Pile Skid Steer Loader Excavator and Loader Auger Torque Tractor Attach Portable Hydraulic Auger dewalt drywall screw gun shaft

Product Description

Product Description

KINGER Earth Auger has 26 models which are suitable for all types of excavators, skid steer loader, backhoe loader, crane, telescopic handler etc. It is widely applied to telecommunication municipal works, high-speed railway,construction and forestry project.

Suitable Equipment

Product Parameters

Model YDH mini YDH1200 YDH1500 YDH2000 YDH2500 YDH4000 YDH4500 YDH5000
Applicable(T) 0.8-2 1-4 1-2 1.5-3 1.5-3 2-4 3-6 3-6
Torque Range(Nm) 300-1200 330-1320 540-1600 656-2300 860-2500 1300-3800 1600-4600 1600-4900
Oil pressure Range(Lpm) 60-200 60-220 60-200 60-200 60-200 60-200 60-210 60-210
Output Shaft(mm) 65Rd 65Rd 65Rd 65Rd 65Rd 65Rd 65Rd 65Rd
Unit Weight(Kg) 38 80 49 50 50 52 87 88

Our advantage

– More than 13 years manufacture experience

18-month warranty for motor and gearbox.
Special heat treatment for gear
– Most complete model ranges for 1-50 tons excavator
– Well performance
– Quick after-sale service
– Fast delivery
– Focus on quality all the time

-High efficiency

How to match a suitable earth auger?

________\\\ ________

1st step: You had an excavator& backhoe loader (its weight )or skid steer (its oil flow and pressure ).

2 ed step: the diameter and depth of the hole you want to dig for.

3 rd Step: the soil condition for working, soft, sandy.or hard

Then we will suggest you the most suitable model for your projects.

Standard length: 1m, 1.2m, 1.5m, 2m

Auger thickness: 8mm, 10mm, 12mm, 16mm

Diameter: 100mm to 2000mm

The size can be customized.

Packaging & Shipping

 

Package: Plywood box
Delivery: Seaway, landway, airway, DDP shipment service.

Exhibitions for brand promotion
Our products showed on the Bauma Exhibition for many times and get loved with its high quality and exquisite appearance.

Why choose us

     We have our own technology team which can provide superb pre-sale and after-sale service which can satisfy customers’ special request. Our product adopts high and new technology, applied with best material and supported by various advanced inspection and testing equipment to make sure the quality stable and performance more excellent.
 

Certifications

Passed CE, ISO9001:2015 quality system, over 30 patent rights, complete production process, control and quality inspection.

CUSTOMER FEEDBACK

________\\\ ________

OUR COMPANY

________\\\ ________

HangZhou Xihu (West Lake) Dis.heng Machinery Co., Ltd. is established in 2571, which is a professional enterprise devoted to R&D,manufacture and sell Mini excavator, Earth auger, Log splitter, Saw head, Hedge trimmer, Stump Remover, Tree Shear, Chain Trencher,Concrete Mixer Bucket,and other construction, forestry and agricultural machinery and attachments.

Our company has passed ISO9001:2015 and CE certification. We are national high-tech and professional, refined, unique and innovative enterprise. Our company owns plenty of independent intellectual property rights. So far, we have obtained more than 30 patents. That makes Xihu (West Lake) Dis.heng to be a leading position in the construction, forestry and agricultural machinery industry.

With our more than 12-year manufacturing, sales and after-sales service experience, we have created our own brand “KINGER“. Our product has been exported to USA,UK,New Zealand,Ukraine,Germany, Denmark, Russia, recognized by customers all over the world.

1. Material: We use the special raw materials and plantary gear, which has high efficiency and long service life.

2. Process: We have advanced production technology and quality testing. And passed the ISO90001:2015 quality system certification.
3. Delivery: We usually take about 7-15 days depending on the products you order after receive your payment.
4. Price: High quality with competitive price. With us your money and your business is safe. We can offer 7-days refund in case of bad quality, and Alibaba trade assurance payment for safety.
5. After-sales service: Excellent technical support, complete service system. 12 months for motor, 18 months for gearbox.

 

FAQ

Q: Are you trading company or manufacturer ?
A: Yes,we are manufacturer.
Q: How long is your delivery time?
A: It is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, but it is not free.
Q: If I need different measurements or weight, could you offer OEM service?
A: Sure, we can provide OEM service, also we can make new CZPT for your product, attaching your name brand.
Q:If buy your product,can the quality and after-sales service be guaranteed?
A:Yes,you can rest assured that we have our own factory and technical consultants,and you will have a pleasant shopping experience in our company.

 

After-sales Service: Provided
Warranty: 18 Months
Certification: CE, ISO 9001:2015
Condition: New
Drill Hole Diameter: 100mm 200mm 300mm 400mm 500mm 600mm 700mm 800mm
Drill Hole Depth: <10m
Customization:
Available

|

Customized Request

screwshaft

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The two types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in two stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to six times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are two different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Good quality Kinger Farm Tools Screw Pile Skid Steer Loader Excavator and Loader Auger Torque Tractor Attach Portable Hydraulic Auger   dewalt drywall screw gun shaftChina Good quality Kinger Farm Tools Screw Pile Skid Steer Loader Excavator and Loader Auger Torque Tractor Attach Portable Hydraulic Auger   dewalt drywall screw gun shaft
editor by CX 2023-11-21

China High Quality Slotting Turning Parts Stainless Steel Screw Shaft dewalt drywall screw gun shaft

Product Description

Firm Profile

                                                                —–ABOUT US—–
Focuses on the research, improvement, production, revenue and provider of fasteners, precision hardware components and numerous metallic merchandise.

HangZhou Bozuan Jinggong Technological innovation Co., Ltd. was recognized on March 1, 2016. It is located in Xihu (West Lake) Dis.ang District, HangZhou City, ZheJiang Province. It handles an spot of 5600 sq. meters and focuses on the research, growth, generation, income and services of fasteners, precision hardware parts and a variety of metallic items. The processed goods are largely cold heading, forging, precision turning, milling, assembly, stamping, supplemented by extrusion, upsetting and casting. In addition, we also have abundant encounter in anodizing, electroplating and heat remedy.

Solution Parameters

No. Item Requirements
one Supplies Carbon metal: 12L15, forty five#, 42CrMo
Stainless steel: 303, 304, 316, 420, 630
Aluminum alloy: 6061, 6063, 5052, 7075
Copper alloy: brass H58-H63, phosphor bronze, beryllium copper
Pure copper: T0 oxygen-free copper, T2 red copper
Plastics: nylon, bakelite, POM, PEEK
2 Diameter Ø0.3-Ø50
3 Diameter tolerance .005mm
4 Hardness: HRC/HV
5 Duration .5mm-500mm
6 Heat treatment method Oil Quenching
High frequency quenching
Carburization
Vacuum Warmth remedy
Mesh belt CZPT warmth treatment
seven Surface remedy Electrolytic plating (barrel plating, rack plating)
Electroless plating (nickel plating)
Common sandblasting and anodizing (black, silver, grey, gold, pink)
Plastic spraying, spraying metallic paint, and many others.

Work Store

Certifications

 

Investigation & Advancement

Growth intervention
Growth potential
Expense accounting
High quality handle
Creation feasibility assessment
Task landing
Assembly services
Complicated task decomposition & optimization capabilities
Quick sample
Optimization of the mold strategy for mass products

Product Class

Precision turning areas

 

Precision machining parts

Special requirements visual appeal components

Presentative Brand

 

Why Choose Us?

 

Produce benefit for customers

Assist + Support + Created in China + Technological Innovation = Answer
★ Venture administration, answers
★ Quickly developing and sampling
★ New product growth, technological breakthrough
★ Element and device assembly provider

Engineering capabilities
★Development intervention
★Development capacity
Price accounting
Quality handle
Generation feasibility evaluation
Undertaking landing
Assembly services
★Complex task decomposition & optimization capabilities
★Quick sample
★Optimization of the mildew plan for mass products

US $0.15
/ Piece
|
5,000 Pieces

(Min. Order)

###

Material: Alloy Steel
Load: Drive Shaft
Stiffness & Flexibility: Stiffness / Rigid Axle
Journal Diameter Dimensional Accuracy: IT6-IT9
Axis Shape: Straight Shaft
Shaft Shape: Stepped Shaft

###

Customization:

###

No. Item Specifications
1 Materials Carbon steel: 12L15, 45#, 42CrMo;
Stainless steel: 303, 304, 316, 420, 630;
Aluminum alloy: 6061, 6063, 5052, 7075;
Copper alloy: brass H58-H63, phosphor bronze, beryllium copper;
Pure copper: T0 oxygen-free copper, T2 red copper;
Plastics: nylon, bakelite, POM, PEEK;
2 Diameter Ø0.3-Ø50
3 Diameter tolerance 0.005mm
4 Hardness: HRC/HV
5 Length 0.5mm-500mm
6 Heat treatment Oil Quenching
High frequency quenching
Carburization
Vacuum Heat treatment
Mesh belt furnace heat treatment
7 Surface treatment Electrolytic plating (barrel plating, rack plating);
Electroless plating (nickel plating);
Ordinary sandblasting and anodizing (black, silver, gray, gold, red)
Plastic spraying, spraying metal paint, etc.;
US $0.15
/ Piece
|
5,000 Pieces

(Min. Order)

###

Material: Alloy Steel
Load: Drive Shaft
Stiffness & Flexibility: Stiffness / Rigid Axle
Journal Diameter Dimensional Accuracy: IT6-IT9
Axis Shape: Straight Shaft
Shaft Shape: Stepped Shaft

###

Customization:

###

No. Item Specifications
1 Materials Carbon steel: 12L15, 45#, 42CrMo;
Stainless steel: 303, 304, 316, 420, 630;
Aluminum alloy: 6061, 6063, 5052, 7075;
Copper alloy: brass H58-H63, phosphor bronze, beryllium copper;
Pure copper: T0 oxygen-free copper, T2 red copper;
Plastics: nylon, bakelite, POM, PEEK;
2 Diameter Ø0.3-Ø50
3 Diameter tolerance 0.005mm
4 Hardness: HRC/HV
5 Length 0.5mm-500mm
6 Heat treatment Oil Quenching
High frequency quenching
Carburization
Vacuum Heat treatment
Mesh belt furnace heat treatment
7 Surface treatment Electrolytic plating (barrel plating, rack plating);
Electroless plating (nickel plating);
Ordinary sandblasting and anodizing (black, silver, gray, gold, red)
Plastic spraying, spraying metal paint, etc.;

Screws and Screw Shafts

A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

Machined screw shaft

A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from two different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.
screwshaft

Ball screw nut

When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In one revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have one contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
screwshaft

Self-locking property of screw shaft

A self-locking screw is one that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but one of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
screwshaft

Materials used to manufacture screw shaft

Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using three steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require two heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding two components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

China High Quality Slotting Turning Parts Stainless Steel Screw Shaft     dewalt drywall screw gun shaftChina High Quality Slotting Turning Parts Stainless Steel Screw Shaft     dewalt drywall screw gun shaft
editor by czh 2022-12-21