PCS Hard Core Pin: Steel, 5/16 in Nom. Dia., 6 in Overall Lg
The PCS Hard Core Pin: Steel (SKU 841YP3, MPN CPH21-6) is a hard core pin with a nominal diameter of 5/16 in and an overall length of 6 in. It features a diameter tolerance of +0.062/-0.000 in, a length tolerance of…
SKU 3G-OTH-244124
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Product Description
The PCS Hard Core Pin: Steel (SKU 841YP3, MPN CPH21-6) is a hard core pin with a nominal diameter of 5/16 in and an overall length of 6 in. It features a diameter tolerance of +0.062/-0.000 in, a length tolerance of +0.0005/0.0010 in, and a chamfer dimension of 1/32 in. The pin has a minimum core hardness of 50 HRC and a minimum surface hardness of 50 HRC.
Frequently Asked Questions
What is a PCS Hard Core Pin used for?
A PCS Hard Core Pin is used in tooling and fixturing applications to locate, align, or support workpieces during machining or assembly. Its hardened steel construction (minimum 50 HRC core and surface) provides wear resistance and dimensional stability under repeated use.
What are the specifications of the PCS Hard Core Pin CPH21-6?
The PCS Hard Core Pin CPH21-6 has a nominal diameter of 5/16 in, overall length of 6 in, diameter tolerance of +0.062/-0.000 in, length tolerance of +0.0005/0.0010 in, and a 1/32 in chamfer. Minimum core and surface hardness is 50 HRC.
Where to buy PCS Hard Core Pins worldwide?
3G Electric supplies PCS Hard Core Pins worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine PCS components like the CPH21-6 to customers across 14 industrial departments. Contact us for availability and delivery to your location.
How to select the correct PCS Hard Core Pin for a fixture?
Select a PCS Hard Core Pin based on the required nominal diameter and overall length to match your fixture's locating holes. Consider the diameter tolerance (+0.062/-0.000 in for the CPH21-6) and hardness (50 HRC minimum) to ensure proper fit and wear life. Consult your fixture design for chamfer requirements.
Used in
Common applications for PCSPCS Products
3G Electric supplies PCS hard core pins. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










