High-Precision Engineering for Mechanical Positioning Systems

Engineered alignment and retention including Dowel, Slotted, Spring, and Coiled types for controlled fit, load distribution, and vibration resistance in industrial and OEM mechanical assemblies.

High Precision Fit

Mechanical Retention

OEM Customization

Stable Production

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Spiral Roll Pin
Diameter Range: Metric 0.8 mm – 20.0 mm / Inch 1/16" – 3/4" (Custom Diameters Available)
Length Range: 4.0 mm – 120.0 mm / Cut-to-Length Upon Request
Duty Ratings: Light Duty (ISO 8751 /...
Ground Dowel Pins
Diameter Range: Metric 0.8 mm – 50.0 mm / Inch 1/16" – 2" (m6, h6, h8 Tolerances Available)
Length Range: 3.0 mm – 200.0 mm / Custom Cut-to-Length & Chamfers Upon Request
Manufacturing...
Cylindrical Pin With Internal Thread
Manufacturing Standards: DIN 7979 (Form D / Form A), ISO 8735 (Hardened)
Outer Diameter Range (d): Metric 6.0 mm – 50.0 mm / Inch 1/4" – 2" (m6, h6, h8 Tolerances Available)
Internal...
Heavy Duty Slotted Spring Pins
Manufacturing Standards: ISO 8752 (DIN 1481) Heavy Duty, ISO 13337 (DIN 7346) Light Duty
Diameter Range (d): Metric 1.0 mm – 50.0 mm / Inch 1/16" – 2"
Length Range (L): 4.0 mm – 200.0 mm...
Stainless Roll Pins
Stainless Roll Pins are manufactured from corrosion-resistant stainless steel to provide reliable fastening performance in demanding environments. The spring design allows the pin to compress...
Serrated Spring Roll Pin
Manufacturing Standards: Q/PES 002, Q/PES 003
Diameter Range (d): Metric 2.0 mm – 20.0 mm / Inch 1/16" – 3/4"
Length Range (L): 6.0 mm – 150.0 mm
Material Options: High-Carbon...
Slotted Toothed Spring Pin
Manufacturing Standards: Q/PES 002, Q/PES 003, Enterprise Drawing Standards
Diameter Range (d): Metric 2.0 mm – 20.0 mm / Inch 1/16" – 3/4"
Length Range (L): 6.0 mm – 150.0...
Wave Toothed Spring Pins
Manufacturing Standards: Q/PES 002, Q/PES 003, Enterprise Drawing Standards
Diameter Range (d): Metric 2.0 mm – 20.0 mm / Inch 1/16" – 3/4"
Length Range (L): 6.0 mm – 150.0 mm
Heat...
Parallel Pins With Female Thread
Manufacturing Standards: DIN 7979, ISO 8735
Diameter Range (d): Metric 6.0 mm – 50.0 mm / Inch 1/4" – 2" (m6 / h6 precision tolerances)
Length Range (L): 16.0 mm – 200.0 mm
Material...
Slotted Roll Pins
Manufacturing Standards: ISO 8752 (Heavy Duty), ISO 13337 (Light Duty)
Diameter Range (d): Metric 1.0 mm – 50.0 mm / Inch 1/16" – 2"
Length Range (L): 4.0 mm – 200.0 mm
Material...
Metal Dowel Pin
Manufacturing Standards: ISO 2338 (Unhardened), ISO 8734 (Hardened / DIN 6325), DIN 6325,DIN 7
Diameter Range (d): Metric 1.0 mm – 50.0 mm / Inch 1/16" – 2" (Precision m6, h6, m5...
Stainless Spring Pin
Stainless spring pins are designed to provide secure fastening and reliable positioning in applications where corrosion resistance and long-term durability are required. Manufactured from...

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Pin Product Categories

Dowel Pins

Precision alignment used in rigid positioning systems and mechanical assemblies.

Slotted Pins

Elastic compression design for secure fit and controlled insertion force.

Spring Pins

Flexible fastening designed for vibration resistance and load absorption.

Coiled Spring Pins

High strength rolled structure for shock absorption and durability.

Cylindrical pin with internal thread

Precision locating pins with internal threads for easy removal and assembly applications.

Dimensional Inspection

Critical dimensions including diameter, length, slot width, and concentricity are inspected to ensure compliance with drawing specifications and assembly requirements.

Hardness Testing

Heat-treated products undergo hardness verification to confirm mechanical strength, wear resistance, and performance consistency.

Surface Coating Inspection

Surface finishes are inspected for coating uniformity, adhesion quality, corrosion protection performance, and appearance consistency.

Sampling Control

Routine in-process and final sampling inspections are conducted throughout production to monitor product quality and maintain manufacturing consistency.

Quality Assurance System

Comprehensive inspection procedures are implemented throughout production to ensure dimensional accuracy, mechanical performance, and consistent product quality

With abundant experience, we are one of the most professional pins manufacturers and suppliers in China. Please rest assured to buy high quality pins made in China here from our factory. For custom service and OEM&ODM service, contact us now.