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USA INDUSTRIALS Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 1/2 in lg, Stainless Steel - 316 Stainless Steel Square Neck Carriage Bolts
USA INDUSTRIALS316 Stainless Steel Square Neck Carriage Bolts

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

USA INDUSTRIALS 316 Stainless Steel Square Neck Carriage Bolts (SKU 3G-OTH-689679, MPN ZBOLT-4978) are plain-finish fasteners with a 1/4"-20 thread size and 1/2-inch length, supplied in packs of 10. 3G Electric…

SKU 3G-OTH-689679

Also listed as: ZBOLT4978 · ZBOLT 4978

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

USA INDUSTRIALS
Manufacturer Part Number
ZBOLT-4978
Type
1/2 in lg, Stainless Steel, 316, Plain, 10 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-689679, MPN ZBOLT-4978) are plain-finish fasteners with a 1/4"-20 thread size and 1/2-inch length, supplied in packs of 10. 3G Electric interprets demand for these bolts across 14 industrial departments — and far more — while our specialist depth in combustion, pumps and controls (as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, Fluke) ensures we source and support the right solution, not just a catalog.

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 corrosion resistance is critical.

What are the specifications of USA INDUSTRIALS carriage bolt ZBOLT-4978?

The USA INDUSTRIALS carriage bolt ZBOLT-4978 has a 1/4"-20 thread size, 1/2-inch length, and is made from 316 stainless steel with a plain finish. It comes in a pack of 10. These bolts are designed for secure fastening where corrosion resistance is needed.

Where to buy USA INDUSTRIALS carriage bolts in worldwide?

3G Electric supplies USA INDUSTRIALS carriage bolts worldwide. We handle full logistics and customs clearance to deliver these 316 stainless steel fasteners to your location. Contact us to order the ZBOLT-4978 or other industrial fasteners across our 14 departments.

How to install a square neck carriage bolt?

To install a square neck carriage bolt, insert the bolt through a pre-drilled hole matching the square neck size. The square neck locks into the material, preventing rotation. Tighten the nut from the opposite side with a wrench. Use a washer under the nut for even load distribution.

Used in

Common applications for USA INDUSTRIALS
Chemical processing — USA INDUSTRIALS FEP-encapsulated silicone cam-and-groove gaskets for corrosion-resistant sealing in coupling systems.
Food and beverage — USA INDUSTRIALS food-grade FKM cam-and-groove gaskets for sanitary fluid transfer in processing lines.
Water treatment — USA INDUSTRIALS 304 stainless steel gate valves for isolation in piping systems handling non-potable water.
Oil and gas — USA INDUSTRIALS brass ball valves for manual shut-off in low-pressure gas or fluid lines.
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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