USA INDUSTRIALS Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 5 1/2 in lg, Steel, Grade 2
USA INDUSTRIALS Grade 2 Steel Square Neck Carriage Bolts, 1/4"-20 thread size, 5 1/2 in length, supplied in a 50-pack (MPN ZBOLT-540). 3G Electric interprets your demand for standard fasteners and delivers this exact…
SKU 3G-OTH-684499
Also listed as: ZBOLT540 · ZBOLT 540
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.
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Product Description
USA INDUSTRIALS Grade 2 Steel Square Neck Carriage Bolts, 1/4"-20 thread size, 5 1/2 in length, supplied in a 50-pack (MPN ZBOLT-540). 3G Electric interprets your demand for standard fasteners and delivers this exact OEM-sourced item across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
Frequently Asked Questions
What are Grade 2 Steel Square Neck Carriage Bolts used for?
These bolts are used to fasten metal to wood or metal to metal in industrial assemblies, such as conveyor systems, structural frames, and equipment mounting. The square neck prevents rotation during tightening, making them ideal for applications where a flush or low-profile head is required.
What are the specifications of USA INDUSTRIALS ZBOLT-540 carriage bolts?
These are Grade 2 steel square neck carriage bolts with a 1/4"-20 thread size and 5 1/2 in length, supplied in a 50-pack. The manufacturer part number is ZBOLT-540. They are made from steel and meet Grade 2 strength requirements for general-purpose fastening.
Where to buy USA INDUSTRIALS ZBOLT-540 carriage bolts worldwide?
3G Electric supplies USA INDUSTRIALS ZBOLT-540 carriage bolts worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this exact OEM item across 14 departments, with specialist depth in combustion, pumps, and controls.
How to install square neck carriage bolts correctly?
Insert the bolt through a pre-drilled hole matching the square neck size to prevent spinning. Use a washer under the nut to distribute load, and tighten the nut with a wrench while holding the bolt head stationary. Avoid over-torquing to prevent stripping the threads or damaging the assembly.
Used in
Common applications for USA INDUSTRIALSUSA INDUSTRIALS Products
3G Electric supplies USA INDUSTRIALS grade 2 steel square neck carriage bolts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
