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PCS Stop Button: 1 in Outside Dia, 1/4 in Thick, Black Oxide, Steel, 1/4"-20 Thread Size - Stop Buttons
PCSStop Buttons

PCS Stop Button: 1 in Outside Dia, 1/4 in Thick, Black Oxide, Steel, 1/4"-20 Thread Size

The PCS Stop Button (MPN SB-04) is a 1-inch outside diameter stop button made from hardened Grade 8620 steel with a black oxide finish. It features a 1/4"-20 thread size and a flat head cap screw design, with a…

SKU 3G-OTH-211186

Also listed as: SB04 · SB 04

Brand
PCS
Item
Stop Button: 1 in Outside Dia, 1/4 in Thick, Black Oxide, Steel, 1/4"-20 Thread Size
Category
Stop Buttons
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
SB-04
Type
Black Oxide, Steel, Hardened
Thick
1/4 in
Thread Size
1/4"-20

Technical Documents

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

Product Description

The PCS Stop Button (MPN SB-04) is a 1-inch outside diameter stop button made from hardened Grade 8620 steel with a black oxide finish. It features a 1/4"-20 thread size and a flat head cap screw design, with a Rockwell hardness of 58 to 62 and a tolerance of +0.005/-0.000 inches.

Frequently Asked Questions

What is a PCS stop button used for?

A PCS stop button is used as a positive stop or locating pin in jigs, fixtures, and tooling setups. It provides a precise, hardened reference surface to control workpiece depth or position during machining operations, ensuring repeatable accuracy in industrial manufacturing.

What are the specifications of the PCS SB-04 stop button?

The PCS SB-04 stop button has a 1 in outside diameter, 1/4 in thickness, and 1/4"-20 thread size. It is made from hardened Grade 8620 steel with a black oxide finish, achieving Rockwell 58 to 62 hardness. Tolerance is +0.005/-0.000 in.

Where to buy PCS stop buttons worldwide?

3G Electric supplies PCS stop buttons worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine PCS components like the SB-04 to customers across 14 industrial departments, including machining and tooling.

How to install a PCS stop button?

Install the PCS stop button by threading it into a tapped hole matching its 1/4"-20 thread size. Use a flat head cap screw driver to tighten until the button contacts the fixture surface. Ensure the black oxide finish is clean and free of debris for accurate positioning.

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 buttons. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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