USA INDUSTRIALS Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 1/2"-13, Coarse, 4 in lg
USA INDUSTRIALS Mil. Spec Hex Head Cap Screws are Grade 8 steel fasteners with a zinc yellow finish, 1/2"-13 coarse thread, 4 in length, partially threaded, and inch-system dimensions. They meet ANSI B18.18.1M-1982…
SKU 3G-OTH-745071
Also listed as: BULKBOLT4389 · BULK BOLT 4389
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.
Need installation or engineering help?
Ask a question
Product Description
USA INDUSTRIALS Mil. Spec Hex Head Cap Screws are Grade 8 steel fasteners with a zinc yellow finish, 1/2"-13 coarse thread, 4 in length, partially threaded, and inch-system dimensions. They meet ANSI B18.18.1M-1982 dimensional standards and ASTM B633 material quality standards, supplied in a small pack.
Frequently Asked Questions
What is a USA INDUSTRIALS Grade 8 hex head cap screw used for?
USA INDUSTRIALS Grade 8 hex head cap screws are used in heavy-duty industrial bolting applications requiring high tensile strength, such as machinery assembly, structural steel connections, and equipment mounting. The zinc yellow finish provides corrosion resistance, and the 1/2"-13 coarse thread ensures secure fastening in inch-system components.
What are the specifications of the USA INDUSTRIALS hex head cap screw BULK-BOLT-4389?
This hex head cap screw is Grade 8 steel with a zinc yellow finish, 1/2"-13 coarse thread, 4 in length, partially threaded, and inch-system dimensions. It meets ANSI B18.18.1M-1982 dimensional standards and ASTM B633 material quality standards. Supplied in a small pack by USA INDUSTRIALS.
Where to buy USA INDUSTRIALS hex head cap screws worldwide?
3G Electric supplies USA INDUSTRIALS hex head cap screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the BULK-BOLT-4389 or other Grade 8 fasteners for your heavy-duty bolting needs.
How to select the right hex head cap screw for a heavy-duty application?
Select a hex head cap screw based on grade, thread size, length, and finish. For high-strength applications, Grade 8 steel with a 1/2"-13 coarse thread and zinc yellow finish, like the USA INDUSTRIALS BULK-BOLT-4389, provides tensile strength and corrosion resistance. Ensure dimensional compliance with ANSI B18.18.1M-1982 and material standards per ASTM B633.
Used in
Common applications for USA INDUSTRIALSUSA INDUSTRIALS Products
3G Electric supplies USA INDUSTRIALS mil. spec hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
