We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
USA INDUSTRIALS Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-18, Coarse, 3 in lg - Mil. Spec Hex Head Cap Screws
USA INDUSTRIALSMil. Spec Hex Head Cap Screws

USA INDUSTRIALS Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-18, Coarse, 3 in lg

USA INDUSTRIALS Mil. Spec Hex Head Cap Screw, 18-8 stainless steel, plain finish, 5/16"-18 coarse thread, 3 in length, partially threaded. Dimensional and material quality standards are DFAR Compliant. System of…

SKU 3G-OTH-745080

Brand
USA INDUSTRIALS
Item
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-18, Coarse, 3 in lg
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
View Full Spec Sheet

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

USA INDUSTRIALS Mil. Spec Hex Head Cap Screw, 18-8 stainless steel, plain finish, 5/16"-18 coarse thread, 3 in length, partially threaded. Dimensional and material quality standards are DFAR Compliant. System of Measurement: Inch. Pack Size: Small Pack. MPN BULK-BOLT-4512.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a USA INDUSTRIALS Hex Head Cap Screw used for?

This 18-8 stainless steel hex head cap screw is used for fastening in industrial assemblies requiring corrosion resistance and DFAR compliance. Common applications include machinery, structural supports, and equipment where a coarse 5/16"-18 thread and 3-inch length provide secure clamping.

What are the specifications of the USA INDUSTRIALS BULK-BOLT-4512?

This hex head cap screw is 18-8 stainless steel, plain finish, 5/16"-18 coarse thread, 3 inches long, partially threaded. It meets DFAR Compliant dimensional and material quality standards. System of Measurement is Inch. Pack Size is Small Pack. MPN BULK-BOLT-4512.

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-4512 or other DFAR Compliant fasteners for your project.

How to select the right hex head cap screw for a DFAR-compliant project?

Select a screw that meets the required dimensional and material quality standards, such as DFAR Compliant. Verify thread size (5/16"-18), length (3 in), material (18-8 stainless steel), and finish (plain). For inch-system applications, confirm the screw is partially threaded if needed. 3G Electric can help source the correct part.

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 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 →
Hex Head Cap Screw: Steel, Grade 5, Cadmium Plated, 5/8"-11, Coarse, 2 in lg, Fully Threaded, Inch (MPN BULK-BOLT-2915). Key specifications — Dimensional Standards: MS90725-164; Manufacturer Location: Globally Sourced; Material Quality Standards: MS90725; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Steel, Grade 5, Cadmium Plated, 5/8"-11, Coarse, 2 in lg, Fully Threaded, Inch (MPN BULK-BOLT-2915). Key specifications — Dimensional Standards: MS90725-164; Manufacturer Location: Globally Sourced; Material Quality Standards: MS90725; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 3/8"-16, Coarse, 2 in lg, Partially Threaded, Inch (MPN BULK-BOLT-2792). Key specifications — Dimensional Standards: MS35307-366; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 3/8"-16, Coarse, 2 in lg, Partially Threaded, Inch (MPN BULK-BOLT-2792). Key specifications — Dimensional Standards: MS35307-366; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-24, Fine, 1 in lg, Partially Threaded, 5 PK (MPN ZBOLT-2777). Key specifications — Dimensional Standards: MS35308-334; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-24, Fine, 1 in lg, Partially Threaded, 5 PK (MPN ZBOLT-2777). Key specifications — Dimensional Standards: MS35308-334; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 5/8"-11, Coarse, 2 1/2 in lg, Partially Threaded (MPN BULK-BOLT-4416). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: ASTM B633; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 5/8"-11, Coarse, 2 1/2 in lg, Partially Threaded (MPN BULK-BOLT-4416). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: ASTM B633; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 5, Cadmium Plated, 3/8"-16, Coarse, 3 1/2 in lg, Partially Threaded (MPN BULK-BOLT-2868). Key specifications — Dimensional Standards: MS90725-72; Manufacturer Location: Globally Sourced; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Steel, Grade 5, Cadmium Plated, 3/8"-16, Coarse, 3 1/2 in lg, Partially Threaded (MPN BULK-BOLT-2868). Key specifications — Dimensional Standards: MS90725-72; Manufacturer Location: Globally Sourced; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 5/16"-18, Coarse, 1 1/2 in lg, Inch, 5 PK (MPN ZBOLT-4285). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 5/16"-18, Coarse, 1 1/2 in lg, Inch, 5 PK (MPN ZBOLT-4285). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: DFAR Compliant; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 3/8"-16, Coarse, 2 in lg, Partially Threaded, Inch (MPN BULK-BOLT-4322). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: ASTM B633; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Steel, Grade 8, Zinc Yellow, 3/8"-16, Coarse, 2 in lg, Partially Threaded, Inch (MPN BULK-BOLT-4322). Key specifications — Dimensional Standards: ASME B18.2.1BH; Manufacturer Location: Globally Sourced; Material Quality Standards: ASTM B633; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-18, Coarse, 2 in lg, Partially Threaded (MPN BULK-BOLT-2774). Key specifications — Dimensional Standards: MS35307-340; Material Quality Standards: MS35307; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
USA INDUSTRIALS
Hex Head Cap Screw: Stainless Steel, 18-8, Plain, 5/16"-18, Coarse, 2 in lg, Partially Threaded (MPN BULK-BOLT-2774). Key specifications — Dimensional Standards: MS35307-340; Material Quality Standards: MS35307; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.