EXW Singapore — collect or forward from our Singapore office.

3G Electric
Ring 30-51 Detent Pin, 1/2 in Dia, 3 in L, Steel, Inch, 5 PK - Detent Pins
RINGDetent Pins

Ring 30-51 Detent Pin, 1/2 in Dia, 3 in L, Steel, Inch, 5 PK

The Ring Detent Pin (MPN 30-51) is a 1/2 in diameter, 3 in length steel pin with a 4 in shank length, sold in a pack of 5. This inch-series detent pin provides a quick-release fastening solution for industrial…

SKU 3G-OTH-687795

Also listed as: 3051 · 30 51

Brand
RING
Item
30-51 Detent Pin, 1/2 in Dia, 3 in L, Steel, Inch, 5 PK
Part Number
30-51
Category
Detent Pins
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RING
Manufacturer Part Number
30-51
Type
0.5 in dia, 3 in L, Steel, Inch, Steel, 5 PK
PK5
Detent
Pin Dia
1/2 in
Shank Lg
4 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

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

Product Description

The Ring Detent Pin (MPN 30-51) is a 1/2 in diameter, 3 in length steel pin with a 4 in shank length, sold in a pack of 5. This inch-series detent pin provides a quick-release fastening solution for industrial applications requiring secure yet removable alignment or locking.

Frequently Asked Questions

What is a Ring detent pin used for?

A Ring detent pin provides quick-release fastening for alignment or locking in industrial applications. It secures components temporarily while allowing rapid removal without tools, commonly used in jigs, fixtures, and machinery where inch-series hardware is specified.

What are the specifications of the Ring 30-51 detent pin?

The Ring 30-51 detent pin has a 1/2 in pin diameter, 3 in overall length, and 4 in shank length. It is made of steel, inch-series, and sold in a pack of 5. The detent mechanism holds the pin in place until manually released.

Where to buy Ring detent pins worldwide?

3G Electric supplies Ring detent pins worldwide. We handle full logistics and customs clearance to deliver industrial fastening solutions globally. Contact us to source the 30-51 or other Ring pin configurations for your application.

How to install a Ring detent pin?

To install a Ring detent pin, align the holes of the components to be fastened, then push the pin through until the detent ball engages. To release, pull the ring to disengage the detent and withdraw the pin. Ensure the pin diameter matches the hole size for secure fit.

Used in

Common applications for RING
Manufacturing — RING detent pins (e.g., 30-06, 30-07) for quick-change tooling and fixture alignment on production lines.
Machinery maintenance — RING detent pins (e.g., 30-17, 30-18) for securing access panels and covers during maintenance.
Welding and fabrication — RING detent pins (e.g., 30-27, 30-28) for temporary alignment of components before welding.
Assembly operations — RING detent pins (e.g., WWG-DTP-017) for rapid assembly and disassembly of jigs and fixtures.
Industrial equipment — RING detent pins (e.g., 30-08) for positive locking in adjustable mechanisms and linkages.
Not sure this is the right part? Photo-identify it→

RING Products

3G Electric supplies RING detent pins. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from RING

View all RING parts →
Steel detent pin with 3/16 in diameter and 1.313 in overall length, featuring a 1 1/2 in shank length. Designed for quick-release fastening in jig and fixture work, tooling changeovers, and temporary assembly where repeated insertion and removal are required. Supplied in a 10-pack
RING
Steel detent pin with 3/16 in diameter and 1.313 in overall length, featuring a 1 1/2 in shank length. Designed for quick-release fastening in jig and fixture work, tooling changeovers, and temporary assembly where repeated insertion and removal are required. Supplied in a 10-pack

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first