Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
USA INDUSTRIALS Mil - Mil. Spec Hex Head Cap Screws
USA INDUSTRIALSMil. Spec Hex Head Cap Screws

USA INDUSTRIALS Mil

<p>This USA INDUSTRIALS Mil. Spec Hex Head Cap Screw is a high-strength fastener engineered for demanding applications. Made from 18-8 stainless steel with a plain finish, it measures 5/16"-18 in coarse thread, 3…

SKU 3G-OTH-745080

Also listed as: BULKBOLT4512 · BULK BOLT 4512

Brand
USA INDUSTRIALS
Item
Mil
Part Number
BULK-BOLT-4512
Category
Mil. Spec Hex Head Cap Screws
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
BULK-BOLT-4512
Type
18-8, Plain, 5/16"-18, Coarse, 3 in lg, Partially Threaded
Pack Size
Small Pack
Dimensional Standards
DFAR Compliant
System of Measurement
Inch
Hex Head Cap Screw Type
Hex Head Cap Screw
Material Quality Standards
DFAR Compliant

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

USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>This USA INDUSTRIALS Mil. Spec Hex Head Cap Screw is a high-strength fastener engineered for demanding applications. Made from 18-8 stainless steel with a plain finish, it measures 5/16"-18 in coarse thread, 3 inches in length, and is partially threaded. It meets DFAR compliance standards, ensuring traceability and quality for defense and aerospace-related projects.</p><p>Ideal for procurement buyers in Singapore, this inch-series screw is available in a small pack. Request a quote in SGD, and for Singapore buyers, GST is handled seamlessly. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the exact dimensions and thread specifications of this hex head cap screw?

It is 5/16"-18 with coarse threads, 3 inches long, and partially threaded. It is made of 18-8 stainless steel with a plain finish.

Is this screw compliant with DFAR and how does ordering work for Singapore?

Yes, it is DFAR compliant. For Singapore buyers, we provide SGD quotes and handle GST. Delivery is fast within Singapore and SEA.

Used in

Common applications for USA INDUSTRIALS
Petrochemical industry — USA Industrials A193 B7 heavy hex bolts used in high-temperature flange connections on process piping.
Power generation — A193 B7 heavy hex bolts for bolting applications in steam lines and turbine housings.
Structural steel — Heavy hex bolts for high-strength structural connections in industrial buildings and equipment.
Maintenance and repair — Small packs of A193 B7 bolts for on-site replacement in high-pressure systems.
Chemical processing — Corrosion-resistant bolting for reactors and heat exchangers where elevated temperatures are present.
Oil and gas — A193 B7 bolts for wellhead and pipeline flange assemblies requiring reliable sealing.
Not sure this is the right part? Photo-identify it→

USA 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from USA INDUSTRIALS

View all USA INDUSTRIALS parts →
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. Coarse 5/16"-18 threads, 2 in length, 3/16 in head height. Meets MS90725-40 dimensional standard and DFAR compliance. Pack of 5. Used in structural assemblies requiring inch-system fasteners
USA INDUSTRIALS
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. Coarse 5/16"-18 threads, 2 in length, 3/16 in head height. Meets MS90725-40 dimensional standard and DFAR compliance. Pack of 5. Used in structural assemblies requiring inch-system fasteners

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first