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Knurled Pins

Your Professional Knurled Pins Manufacturers

 

Shenzhen Sanhexing Shaft Manufacturing Co., Ltd. was established on May 26, 2010, located in the Wan Feng Technology Park, Shajing, Bao'an District, Shenzhen. is a private enterprise specializing in the customized production of various precision mechanical hardware parts and non-standard precision shafts. Specializing in the production of stainless steel motor shafts, stepped shafts, knurled shafts, screw shafts, worm shafts, gear shafts, spindles, and high-precision shaft products.

 

 
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Why Choose Us

 

 

Our factory
Our factory covers an area of 1,600 square meters, We are a private enterprise specializing in the custom production of various precision mechanical hardware components and non-standard precision shafts, employing over 50 staff members, including 15 technical design and management personnel and 8 quality control staff, with strong capabilities in design development and quality management.

 

Wide range of product applications
Applied in automobiles, drones, electrical equipment, industrial robots, electronic appliances, motors, toys and other industries.

 

Rich experience
The company has more than 10 years of experience in this field. Has a long-standing reputation in the industry, which makes it stand out from its competitors.

 

Quick response
We promise to respond to your inquiries within 24 hours to ensure that you receive the information and support you need in a timely manner.

 

Stainless Steel Knurled Pins

 

Benefits of Knurled Pins

Knurled pins are available with or without heads, with straight or helical knurling. The knurled pins cut into the body and the movement of the body material into the knurled recesses creates a more frictional contact area between the pins, resulting in higher retention.

 

Straight knurled pins have less press-in force than helical knurled pins, have resistance within the assembly, but provide limited resistance when axially loaded. So, straight knurled pins are often recommended for transmitting torque, for example as an axle to rotate a wheel.

 

Processing Steps
 

Cutting

Stainless steel rods are cut to the required length.

Turning

The outer diameter and end faces are machined using a lathe to ensure dimensional accuracy and surface finish.

Knurling

A knurling tool is used to press patterns onto the surface, increasing friction for easier manual operation.

Heat Treatment

Quenching or tempering is performed as needed to enhance hardness and wear resistance.

Surface Treatment

Processes such as polishing, electroplating, or passivation are applied to improve corrosion resistance and appearance.

Inspection

Dimensions, surface quality, and mechanical properties are tested to ensure compliance with standards.

 

Application Scenarios of Knurled Pins

 
 
Machinery Manufacturing

Connectors: Used to connect mechanical components, transmitting force and motion.
Positioning Pins: Employed for precise positioning and securing parts.

 
Electronic Devices

Adjustment Knobs: Used to adjust parameters in electronic devices.
Fixation Pins: Utilized to secure components like circuit boards.

 
Automotive Industry

Transmission Components: Used for connecting and positioning in transmission systems.
Adjustment Mechanisms: Applied in seat and mirror adjustment devices.

 
Household Appliances

Knobs: Used in appliances such as washing machines and microwaves.
Connectors: Employed for connecting and securing appliance components.

 
Medical Devices

Adjustment Mechanisms: Used in operating tables and medical equipment adjustments.
Fixation Pins: Utilized to secure components of medical devices.

 

 

 

Products Detailes

 

 

productcate-706-300

 

Screw Thread

Φ3

Φ4

Φ5

Φ6

Φ8

Φ10

Φ12

d

d

max

3

4

5

6

8

10

12

min

2.96

3.952

4.952

5.952

7.942

9.942

11.93

d1

min

3.12

4.15

5.15

8.15

8.17

10.17

12.2

L1

6

7

8

10

10

12

12

 

 

Packaging & Shipping

 

 

productcate-554-239productcate-554-286

 

 

FAQ

 

 

Q: Hong long is your delivery time?

A: Generally 7-25 days after order. It depends on the quantity.

Q: Do you produce samples? Is it free or extra?

A: For standard products, we produce samples free of charge for our customers. And the express costs will be burdened by the customer, but can be returned after the order is placed.

Q: How to ensure the quality?

A: We produce as per the confirmed technology or drawings for each order for our customers. And our factory has a strict quality control system. We inspect goods during production according to a certain frequency and we also perform the final inspection before the goods are packed.

Q: What is your payment term?

A: Mostly we use 30% advance payment by T/ T, 70% before shipment for small amount order, we have paypal account, also the western union, MoneyGram is ok.

Q: Do you like to serve the customers only with small orders?

A: We are always glad to grow up together with all our customers whatever big or small.We hope our customers become stronger and stronger to be with us.

Q: What are knurled pins made of?

A: Knurled pins are typically made from stainless steel, carbon steel, aluminum, or brass, depending on the application. Stainless steel is used in corrosive environments. High-strength carbon steel is for heavy-duty applications. Aluminum is lightweight for aerospace and electronics. Finally, brass is non-magnetic, with electrical applications.

Q: How are knurled pins installed?

A: Installation requires aligning the pin with the corresponding hole and pressing or hammering it in. The knurled surface deforms slightly to create a tight interference fit with the material.

Q: What is the load-bearing capacity of knurled pins?

A: Load-bearing capacity varies based on materials, sizes, and application. They can typically withstand axial loads from hundreds to over a thousand pounds in heavy-duty applications.

As one of the most professional knurled pins manufacturers and suppliers in China, we're featured by quality products and low price. Be free to buy customized knurled pins made in China here from our factory. Contact us for quotation and free sample.

AC Motor Shaft, eccentric shaft, intermediate shaft

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