USA INDUSTRIALS316 Stainless Steel Square Neck Carriage Bolts

USA INDUSTRIALS Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 2 1/2 in lg, Stainless Steel

SKU 3G-OTH-689680

Also listed as: ZBOLT4979 · ZBOLT 4979

Brand

USA INDUSTRIALS

Item

Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 2 1/2 in lg, Stainless Steel

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS

Manufacturer Part Number

ZBOLT-4979 

Type

2 1/2 in lg, Stainless Steel, 316, Plain, 5 PK 

Thread Size

1/4"-20 

Technical Documents

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USA INDUSTRIALS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

USA INDUSTRIALS 316 Stainless Steel Square Neck Carriage Bolts (SKU 3G-OTH-689680, MPN ZBOLT-4979) are 2 1/2 in long with a 1/4"-20 thread size, plain finish, and sold in packs of 5. 3G Electric interprets demand and delivers these genuine fasteners across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is a 316 stainless steel square neck carriage bolt used for?

A 316 stainless steel square neck carriage bolt is used for fastening metal to wood or metal in corrosive environments. The square neck prevents rotation during tightening, making it ideal for marine, chemical, and outdoor applications where 316 stainless steel provides superior corrosion resistance.

What are the specifications of USA INDUSTRIALS carriage bolt ZBOLT-4979?

The USA INDUSTRIALS carriage bolt ZBOLT-4979 has a 1/4"-20 thread size, is 2 1/2 in long, made of 316 stainless steel with a plain finish, and comes in a pack of 5. It features a square neck to prevent spinning during installation.

Where to buy USA INDUSTRIALS carriage bolts in worldwide?

3G Electric supplies USA INDUSTRIALS carriage bolts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners like the ZBOLT-4979 and deliver them to your facility, ensuring compliance with international shipping requirements.

How to install a square neck carriage bolt?

To install a square neck carriage bolt, insert the bolt through a pre-drilled hole in the material, ensuring the square neck seats into the hole to prevent rotation. Tighten the nut from the opposite side with a wrench. For 316 stainless steel, use anti-seize compound to prevent galling during installation.

Used in

Common applications for USA INDUSTRIALS

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Pharmaceutical manufacturing — USA INDUSTRIALS 316 stainless steel globe valves for precise flow control in clean-room environments.

General industrial MRO — USA INDUSTRIALS polypropylene cam-and-groove fittings for temporary hose connections in plant maintenance.

USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS 316 stainless steel square neck carriage bolts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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