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PCS Stop Pin: Black Oxide, Steel, Grade 4140, Hardened, 1.5 in Outside Dia - Stop Pins
PCSStop Pins

PCS Stop Pin: Black Oxide, Steel, Grade 4140, Hardened, 1.5 in Outside Dia

The PCS Stop Pin: Black Oxide (SKU SP-15, model SP-15) is a hardened steel stop pin made from Grade 4140 steel with a black oxide finish. It is precision ground to a diameter tolerance of +0.000/-0.002 in, features a…

SKU 3G-OTH-251700

Also listed as: SP15 · SP 15

Brand
PCS
Item
Stop Pin: Black Oxide, Steel, Grade 4140, Hardened, 1.5 in Outside Dia
Category
Stop Pins
Available to Order
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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-15
Type
Steel, Grade 4140, Hardened, Rockwell 48 to 52, SP-15
Outside Dia
1.5 in

Technical Documents

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

Product Description

The PCS Stop Pin: Black Oxide (SKU SP-15, model SP-15) is a hardened steel stop pin made from Grade 4140 steel with a black oxide finish. It is precision ground to a diameter tolerance of +0.000/-0.002 in, features a 5/16"-18 flat head cap screw, and has a Rockwell hardness of 48 to 52.

Frequently Asked Questions

What is a PCS Stop Pin used for?

A PCS Stop Pin is used in industrial fixturing and jig work to precisely locate and stop workpieces during machining or assembly operations. Its hardened Grade 4140 steel construction and precision-ground diameter ensure repeatable positioning under heavy loads.

What are the specifications of the PCS SP-15 Stop Pin?

The PCS SP-15 Stop Pin is made from hardened Grade 4140 steel with a black oxide finish. It has a Rockwell hardness of 48 to 52, an outside diameter tolerance of +0.000/-0.002 in, and a 5/16"-18 flat head cap screw. It is precision ground for accuracy.

Where to buy PCS Stop Pins worldwide?

You can source PCS Stop 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 SP-15 model.

How to select the correct PCS Stop Pin for a fixture?

Select a PCS Stop Pin based on required diameter tolerance, hardness, and thread size. For heavy-duty fixturing, the SP-15's Grade 4140 steel and Rockwell 48 to 52 hardness provide durability. Ensure the 5/16"-18 thread matches your mounting hole pattern.

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.

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