PCSStop Pins

PCS Stop Pin: Black Oxide, Steel, Grade 4140, Hardened, 0.5 in Outside Dia

SKU 3G-OTH-251699

Also listed as: SP05 · SP 05

Brand

PCS

Item

Stop Pin: Black Oxide, Steel, Grade 4140, Hardened, 0.5 in Outside Dia

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

PCS

Manufacturer Part Number

SP-05 

Type

Steel, Grade 4140, Hardened, Rockwell 48 to 52, SP-05 

Outside Dia

0.5 in 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

PCS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PCS Stop Pin (SKU SP-05, model SP-05) is a hardened steel stop pin with a black oxide finish, precision ground to Grade 4140 specifications. It features a Rockwell hardness of 48 to 52, a flat head cap screw design with #10-24 thread, and a diameter tolerance of +0.000/-0.002 in. This component is manufactured by PCS for industrial positioning applications.

Frequently Asked Questions

What is the PCS Stop Pin SP-05 used for?

The PCS Stop Pin SP-05 is used for precision positioning and fixturing in industrial jigs, dies, and assembly tooling. Its hardened Grade 4140 steel construction and black oxide finish provide wear resistance and corrosion protection in repetitive stop applications.

What are the specifications of the PCS Stop Pin SP-05?

The PCS Stop Pin SP-05 is made from hardened Grade 4140 steel with a black oxide finish. It has a Rockwell hardness of 48 to 52, a diameter tolerance of +0.000/-0.002 in, and a #10-24 flat head cap screw thread. The outside diameter is 0.5 in.

Where to buy the PCS Stop Pin SP-05 worldwide?

You can source the PCS Stop Pin SP-05 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct PCS stop pin for a fixture?

Select a PCS stop pin based on required diameter, length, thread size, and hardness for your fixture's load and wear conditions. The SP-05 offers a 0.5 in diameter, #10-24 thread, and Rockwell 48 to 52 hardness. Ensure the pin's tolerance matches your positioning accuracy 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 stop pins. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all PCS products →Contact our engineers →