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PCS Hard Core Pin: Steel, 5/16 in Nom. Dia., 3 in Overall Lg - Hard Core Pins
PCSHard Core Pins

PCS Hard Core Pin: Steel, 5/16 in Nom. Dia., 3 in Overall Lg

The PCS Hard Core Pin: Steel (MPN CPH21-3) is a steel hard core pin with a nominal diameter of 5/16 in and an overall length of 3 in. It features a diameter tolerance of +0.062/-0.000 in, a straightness tolerance of…

SKU 3G-OTH-244123

Brand
PCS
Item
Hard Core Pin: Steel, 5/16 in Nom. Dia., 3 in Overall Lg
Category
Hard Core Pins
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Technical Specifications

PCS
Manufacturer Part Number
CPH21-3
Type
Min 50 HRC Core / 50 HRC Surface
Overall Lg
3 in
Nom. Dia.
5/16 in
View Full Spec Sheet

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PCS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PCS Hard Core Pin: Steel (MPN CPH21-3) is a steel hard core pin with a nominal diameter of 5/16 in and an overall length of 3 in. It features a diameter tolerance of +0.062/-0.000 in, a straightness 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 industrial tooling and fixturing applications where precise alignment and high wear resistance are required. It serves as a locating or alignment pin in jigs, dies, and molds, providing accurate positioning under repeated loading.

What are the specifications of the PCS Hard Core Pin CPH21-3?

The PCS Hard Core Pin CPH21-3 has a nominal diameter of 5/16 in, overall length of 3 in, diameter tolerance of +0.062/-0.000 in, straightness tolerance of +0.0005/0.0010 in, and a 1/32 in chamfer. Core and surface hardness are minimum 50 HRC.

Where to buy PCS Hard Core Pins worldwide?

You can source PCS Hard Core Pins worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the CPH21-3 or other PCS pin models.

How to select the correct PCS Hard Core Pin for a fixture?

Select a PCS Hard Core Pin based on the required nominal diameter, overall length, and hardness for your fixture. The CPH21-3 offers a 5/16 in diameter and 3 in length with 50 HRC minimum hardness. Ensure the diameter tolerance and straightness meet your alignment needs.

Used in

Common applications for PCS
Injection molding — PCS stepped ejector pins (e.g., SP3-83) for ejecting parts from core cavities
Die casting — PCS hard core pins (e.g., CPH15-3) for forming internal features in aluminum or zinc dies
Slide actuation — PCS radius angle pins (e.g., APR33-L10) for guiding core pulls in mold bases
Mold support — PCS support pillars (e.g., 1550) to prevent plate deflection in large injection molds
Ejector plate alignment — PCS shoulder bushings (e.g., BU-102) for guiding ejector pins in mold bases
Wear protection — PCS stop discs (e.g., SD-15) to limit ejector stroke and prevent over-travel damage

PCS 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.

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