We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Ring Pin,0.5 in dia,3 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 4 in Shank Lg - Detent Pins
RINGDetent Pins

Ring Pin,0.5 in dia,3 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 4 in Shank Lg

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

Brand
RING
Item
Pin,0.5 in dia,3 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 4 in Shank Lg
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
View Full Spec Sheet

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
Perimeter surveillance — RING Floodlight Security Camera for monitoring warehouse exteriors and loading docks.
Entry point monitoring — RING Video Doorbell for recording access at facility gates or main doors.
Equipment area security — RING Spotlight Camera for illuminating and recording around machinery or storage areas.
Remote site monitoring — RING wireless cameras for temporary security setups at construction sites or remote facilities.
Parking lot surveillance — RING Floodlight Security Camera with siren for deterring theft in outdoor parking areas.

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
Ring Pin,0.5 in dia,2.5 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 3 in Shank Lg, Steel, 5 PK (MPN 30-49)
RING
Ring Pin,0.5 in dia,2.5 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 3 in Shank Lg, Steel, 5 PK (MPN 30-49)
Ring Pin,3/8 in dia,1.625 in L,Steel,PK5: Detent, Inch, 3/8 in Pin Dia, 2 in Shank Lg, Steel, 5 PK (MPN 30-27)
RING
Ring Pin,3/8 in dia,1.625 in L,Steel,PK5: Detent, Inch, 3/8 in Pin Dia, 2 in Shank Lg, Steel, 5 PK (MPN 30-27)
Ring Pin,0.5 in dia,2 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 2 1/2 in Shank Lg, Steel, 5 PK (MPN WWG-DTP-017)
RING
Ring Pin,0.5 in dia,2 in L,Steel,PK5: Detent, Inch, 1/2 in Pin Dia, 2 1/2 in Shank Lg, Steel, 5 PK (MPN WWG-DTP-017)
Ring Pin,0.25in dia,1.25in L,Steel,PK10: Detent, Inch, 1/4 in Pin Dia, 1 1/2 in Shank Lg, 10 PK (MPN 30-07)
RING
Ring Pin,0.25in dia,1.25in L,Steel,PK10: Detent, Inch, 1/4 in Pin Dia, 1 1/2 in Shank Lg, 10 PK (MPN 30-07)
Ring Pin,0.25in dia,1.75in L,Steel,PK10: Detent, Inch, 1/4 in Pin Dia, 2 in Shank Lg, Steel, 10 PK (MPN 30-08)
RING
Ring Pin,0.25in dia,1.75in L,Steel,PK10: Detent, Inch, 1/4 in Pin Dia, 2 in Shank Lg, Steel, 10 PK (MPN 30-08)
Ring Pin,5/16in dia,2.125in L,Steel,PK10: Detent, Inch, 5/16 in Pin Dia, 2 1/2 in Shank Lg, 10 PK (MPN 30-18)
RING
Ring Pin,5/16in dia,2.125in L,Steel,PK10: Detent, Inch, 5/16 in Pin Dia, 2 1/2 in Shank Lg, 10 PK (MPN 30-18)
Ring Pin,3/16in dia,1.813in L,Steel,PK10: Detent, Inch, 3/16 in Pin Dia, 2 in Shank Lg, Steel, 10 PK (MPN 30-03)
RING
Ring Pin,3/16in dia,1.813in L,Steel,PK10: Detent, Inch, 3/16 in Pin Dia, 2 in Shank Lg, Steel, 10 PK (MPN 30-03)
Ring Pin,3/8 in dia,2.125 in L,Steel,PK5: Detent, Inch, 3/8 in Pin Dia, 2 1/2 in Shank Lg, 5 PK (MPN 30-28)
RING
Ring Pin,3/8 in dia,2.125 in L,Steel,PK5: Detent, Inch, 3/8 in Pin Dia, 2 1/2 in Shank Lg, 5 PK (MPN 30-28)