Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

USA INDUSTRIALS Mil - Mil. Spec Hex Head Cap Screws
USA INDUSTRIALSMil. Spec Hex Head Cap Screws

USA INDUSTRIALS Mil

The USA INDUSTRIALS Hex Head Cap Screw is a Mil. Spec Hex Head Cap Screw made from 18-8 stainless steel. It features a plain finish, 1/2"-20 fine thread, 1-inch length, and is fully threaded in inch dimensions. This…

SKU 3G-OTH-745095

Also listed as: BULKBOLT2821 · BULK BOLT 2821

Brand
USA INDUSTRIALS
Item
Mil
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

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
BULK-BOLT-2821
Type
18-8, Plain, 1/2"-20, Fine, 1 in lg, Fully Threaded, Inch
Pack Size
Small Pack
Dimensional Standards
MS35308-409
System of Measurement
Inch
Hex Head Cap Screw Type
Hex Head Cap Screw
Material Quality Standards
MS35308

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

The USA INDUSTRIALS Hex Head Cap Screw is a Mil. Spec Hex Head Cap Screw made from 18-8 stainless steel. It features a plain finish, 1/2"-20 fine thread, 1-inch length, and is fully threaded in inch dimensions. This screw meets MS35308-409 dimensional standards and MS35308 material quality standards, supplied in a small pack.

Frequently Asked Questions

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

This Mil. Spec Hex Head Cap Screw is used in industrial fastening applications requiring corrosion resistance and precise thread fit. It is suitable for machinery, equipment assembly, and structural joints where 18-8 stainless steel and fine 1/2"-20 threads are specified.

What are the specifications of the USA INDUSTRIALS Hex Head Cap Screw?

This screw is 18-8 stainless steel, plain finish, 1/2"-20 fine thread, 1 inch long, fully threaded, inch system. It meets MS35308-409 dimensional standards and MS35308 material quality standards. Pack size is small pack. Manufacturer part number is BULK-BOLT-2821.

Where to buy USA INDUSTRIALS Hex Head Cap Screw worldwide?

3G Electric supplies the USA INDUSTRIALS Hex Head Cap Screw worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Mil. Spec fastener.

How to select the correct USA INDUSTRIALS Hex Head Cap Screw?

Select based on thread size (1/2"-20 fine), length (1 inch), material (18-8 stainless steel), and finish (plain). Confirm dimensional standard MS35308-409 and material standard MS35308 match your application. For assistance, contact 3G Electric.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It features a 1/4"-28 fine thread, is 5/8 inch long, and is fully threaded. The screw meets dimensional standard MS35308-305 and material quality standard MS35308. Supplied in a 10-pack, it is suitable for precision assemblies requiring corrosion resistance and strength
USA INDUSTRIALS
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It features a 1/4"-28 fine thread, is 5/8 inch long, and is fully threaded. The screw meets dimensional standard MS35308-305 and material quality standard MS35308. Supplied in a 10-pack, it is suitable for precision assemblies requiring corrosion resistance and strength
316 stainless steel hex head cap screw with plain finish. 1/2"-20 fine thread, 3-inch length, partially threaded. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Supplied in a 5-pack. Used in general fastening applications requiring corrosion resistance
USA INDUSTRIALS
316 stainless steel hex head cap screw with plain finish. 1/2"-20 fine thread, 3-inch length, partially threaded. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Supplied in a 5-pack. Used in general fastening applications requiring corrosion resistance
18-8 stainless steel hex head cap screw with plain finish, 9/16"-12 coarse thread, 1-1/4" length. Inch system, 10-pack. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Used for general fastening applications requiring corrosion resistance
USA INDUSTRIALS
18-8 stainless steel hex head cap screw with plain finish, 9/16"-12 coarse thread, 1-1/4" length. Inch system, 10-pack. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Used for general fastening applications requiring corrosion resistance
316 stainless steel hex head cap screw with plain finish, 1 1/8"-7 coarse thread, 12 in length, partially threaded. Meets ASME B18.2.1 dimensional standards and ASTM F593 material quality standards. Suitable for high-corrosion-resistance fastening in marine, chemical, and food-processing environments, as well as heavy structural and equipment assembly
USA INDUSTRIALS
316 stainless steel hex head cap screw with plain finish, 1 1/8"-7 coarse thread, 12 in length, partially threaded. Meets ASME B18.2.1 dimensional standards and ASTM F593 material quality standards. Suitable for high-corrosion-resistance fastening in marine, chemical, and food-processing environments, as well as heavy structural and equipment assembly
316 stainless steel hex head cap screw with plain finish, 5/8"-18 fine thread, 1-1/2 in length, fully threaded. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Suitable for corrosive environments and high-vibration applications. Sold in a 10-pack
USA INDUSTRIALS
316 stainless steel hex head cap screw with plain finish, 5/8"-18 fine thread, 1-1/2 in length, fully threaded. Meets ASME B18.2.1 dimensional and ASTM F593 material standards. Suitable for corrosive environments and high-vibration applications. Sold in a 10-pack
This Mil. Spec hex head cap screw is Grade 5 steel with cadmium plating, offering corrosion resistance and strength for general-purpose fastening. It features 1/2"-13 coarse threads, is 1 1/2 inches long, and fully threaded. Conforms to dimensional standard MS90725-113 and material quality standard MS90725. Suitable for industrial machinery, automotive assemblies, and structural applications requiring a 1/2"-13 coarse thread
USA INDUSTRIALS
This Mil. Spec hex head cap screw is Grade 5 steel with cadmium plating, offering corrosion resistance and strength for general-purpose fastening. It features 1/2"-13 coarse threads, is 1 1/2 inches long, and fully threaded. Conforms to dimensional standard MS90725-113 and material quality standard MS90725. Suitable for industrial machinery, automotive assemblies, and structural applications requiring a 1/2"-13 coarse thread

More from USA INDUSTRIALS

View all USA INDUSTRIALS parts
Grade 8 steel hex head cap screw with zinc yellow finish, 3/4"-10 coarse thread, 3-1/2 in length, partially threaded. Meets ASME B18.2.1BH dimensional standards and DFAR compliance. Used in heavy-duty fastening applications such as machinery assembly and structural connections
USA INDUSTRIALS
Grade 8 steel hex head cap screw with zinc yellow finish, 3/4"-10 coarse thread, 3-1/2 in length, partially threaded. Meets ASME B18.2.1BH dimensional standards and DFAR compliance. Used in heavy-duty fastening applications such as machinery assembly and structural connections
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It features a 1/4"-28 fine thread, is 7/8 inch long, and fully threaded. Compliant with DFAR material quality standards and dimensional standard MS35308-307. Suitable for applications requiring corrosion resistance and secure fastening in inch-system assemblies
USA INDUSTRIALS
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It features a 1/4"-28 fine thread, is 7/8 inch long, and fully threaded. Compliant with DFAR material quality standards and dimensional standard MS35308-307. Suitable for applications requiring corrosion resistance and secure fastening in inch-system assemblies
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It has a 3/8"-16 coarse thread, is 2-1/2 inches long, and is partially threaded. Meets dimensional standard MS35307-368 and is DFAR compliant. Suitable for general fastening in assemblies requiring corrosion resistance
USA INDUSTRIALS
This hex head cap screw is made from 18-8 stainless steel with a plain finish. It has a 3/8"-16 coarse thread, is 2-1/2 inches long, and is partially threaded. Meets dimensional standard MS35307-368 and is DFAR compliant. Suitable for general fastening in assemblies requiring corrosion resistance
18-8 stainless steel hex head cap screw with plain finish, 1/4"-20 coarse thread, and 1 1/8 in length. Inch-system fastener meets dimensional standard MS35307-309 and DFAR compliance. Suitable for general-purpose bolting in applications requiring corrosion resistance and military specification fasteners. Sold in a 10-piece pack
USA INDUSTRIALS
18-8 stainless steel hex head cap screw with plain finish, 1/4"-20 coarse thread, and 1 1/8 in length. Inch-system fastener meets dimensional standard MS35307-309 and DFAR compliance. Suitable for general-purpose bolting in applications requiring corrosion resistance and military specification fasteners. Sold in a 10-piece pack
Grade 8 steel hex head cap screw with zinc yellow finish, 3/4"-10 coarse thread, 4 in length, partially threaded, inch system. Meets MS90728 dimensional and material quality standards. Suitable for heavy-duty fastening in industrial machinery, automotive, and structural applications requiring military specification compliance
USA INDUSTRIALS
Grade 8 steel hex head cap screw with zinc yellow finish, 3/4"-10 coarse thread, 4 in length, partially threaded, inch system. Meets MS90728 dimensional and material quality standards. Suitable for heavy-duty fastening in industrial machinery, automotive, and structural applications requiring military specification compliance
This hex head cap screw is Grade 8 steel with a zinc yellow finish, 5/8"-11 coarse thread, 1-3/4 in length, fully threaded, inch system. It meets dimensional standard MS90728 and is DFAR compliant. Used in assemblies requiring high tensile strength and corrosion resistance, such as structural components and machinery
USA INDUSTRIALS
This hex head cap screw is Grade 8 steel with a zinc yellow finish, 5/8"-11 coarse thread, 1-3/4 in length, fully threaded, inch system. It meets dimensional standard MS90728 and is DFAR compliant. Used in assemblies requiring high tensile strength and corrosion resistance, such as structural components and machinery
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. 5/16"-18 coarse thread, 1 1/2 in length. Meets MS90725-38 dimensional standard and DFAR compliance. Pack of 5. Used in structural fastening applications requiring military specification fasteners
USA INDUSTRIALS
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. 5/16"-18 coarse thread, 1 1/2 in length. Meets MS90725-38 dimensional standard and DFAR compliance. Pack of 5. Used in structural fastening applications requiring military specification fasteners
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. 1/4"-20 coarse thread, 1-1/4 in length, inch dimensions. Complies with MS90725-10 and DFAR requirements. Suitable for fastening in machinery and structural assemblies where Grade 5 strength is specified
USA INDUSTRIALS
Grade 5 steel hex head cap screw with cadmium plating for corrosion resistance. 1/4"-20 coarse thread, 1-1/4 in length, inch dimensions. Complies with MS90725-10 and DFAR requirements. Suitable for fastening in machinery and structural assemblies where Grade 5 strength is specified