GCR15 Bearing Steel Cylindrical Locating Pin 3mm – Multi-Length

GCR15 Bearing Steel Cylindrical Locating Pin – 3mm Diameter

Built for precision engineering and industrial applications, these GCR15 bearing steel cylindrical locating pins deliver exceptional hardness, dimensional accuracy, and long-lasting wear resistance. Whether you're aligning machine components, jigs, fixtures, or molds, these pins provide the reliable, repeatable positioning you need.

Key Specifications

• Material: GCR15 High-Carbon Chromium Bearing Steel
• Diameter: 3mm
• Available Lengths: 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 25, 26, 28, 30mm
• Hardness: HRC 58–63°
• Surface Roughness: Ra 0.4
• Process: Quenching heat treatment for superior strength and durability
• Diameter Tolerance: +0 / -0.01mm
• Length Tolerance: +0 / -0.3mm
• Made in China

Why Choose GCR15 Bearing Steel?

GCR15 is a high-performance bearing steel renowned for its high precision, outstanding hardness, and excellent wear resistance. The quench heat treatment process ensures a consistent HRC 58–63 hardness rating, making these pins ideal for demanding environments where dimensional stability and surface integrity are critical.

Ideal Applications

• Machine tool alignment and fixturing
• Mold and die positioning
• Jig construction and assembly
• Mechanical engineering and precision manufacturing
• Industrial maintenance and repair

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Frequently Asked Questions

Q: What material are these cylindrical locating pins made from?

A: These locating pins are manufactured from GCR15 high-carbon chromium bearing steel, which is recognized for its high hardness (HRC 58–63°), high precision, and excellent wear resistance. The steel undergoes a quenching heat treatment process to achieve optimal strength and durability.

Q: What diameter and length options are available for the 3mm locating pins?

A: The pins are 3mm in diameter and are available in a wide range of lengths: 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 25, 26, 28, and 30mm. Diameter tolerance is +0/-0.01mm and length tolerance is +0/-0.3mm, ensuring high-precision fit in your application.

Q: What are the typical uses for GCR15 cylindrical locating pins?

A: GCR15 cylindrical locating pins are widely used in precision machining, mold making, jig and fixture assembly, and general mechanical engineering applications where accurate part alignment and positioning are essential. Their hardness and tight tolerances make them suitable for both light and heavy-duty industrial use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.