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USA INDUSTRIALS Grade 8 Steel Hex Head Cap Screw - Grade 8 Steel Hex Head Cap Screws
USA INDUSTRIALSGrade 8 Steel Hex Head Cap Screws

USA INDUSTRIALS Grade 8 Steel Hex Head Cap Screw

USA INDUSTRIALS Grade 8 Steel Hex Head Cap Screws (SKU ZBOLT-3665, MPN ZBOLT-3665) are inch-series fasteners with a zinc-yellow finish, 1/4"-20 coarse thread, and 1 1/8 in length, supplied in a 100-piece small pack…

SKU 3G-OTH-678846

Also listed as: ZBOLT3665 · ZBOLT 3665

Brand
USA INDUSTRIALS
Item
Grade 8 Steel Hex Head Cap Screw
Part Number
ZBOLT-3665
Category
Grade 8 Steel Hex Head Cap Screws
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZBOLT-3665
Type
Grade 8, Zinc Yellow, 1/4"-20, Coarse, 1 1/8 in lg, Inch, 100 PK
Pack Size
Small Pack
Dimensional Standards
ASME B18.2.1
Manufacturer Location
Globally Sourced
System of Measurement
Inch
Hex Head Cap Screw Type
Hex Head Cap Screw
Material Quality Standards
SAE J429

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

Product Description

USA INDUSTRIALS Grade 8 Steel Hex Head Cap Screws (SKU ZBOLT-3665, MPN ZBOLT-3665) are inch-series fasteners with a zinc-yellow finish, 1/4"-20 coarse thread, and 1 1/8 in length, supplied in a 100-piece small pack. They meet ASME B18.2.1 dimensional standards and SAE J429 material quality standards, and are globally sourced.

Frequently Asked Questions

What are the specifications of USA INDUSTRIALS Grade 8 Hex Head Cap Screw ZBOLT-3665?

USA INDUSTRIALS Grade 8 Hex Head Cap Screw (MPN ZBOLT-3665) is an inch-series fastener with 1/4"-20 coarse thread, 1 1/8 in length, zinc-yellow finish, and 100-piece pack. It meets ASME B18.2.1 dimensional standards and SAE J429 material quality standards.

Where to buy USA INDUSTRIALS Grade 8 Hex Head Cap Screws worldwide?

3G Electric supplies USA INDUSTRIALS Grade 8 Hex Head Cap Screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these fasteners to your facility, regardless of location.

What is a Grade 8 steel hex head cap screw used for?

A Grade 8 steel hex head cap screw is used in high-stress industrial applications such as heavy machinery, automotive assemblies, and structural connections. Its zinc-yellow finish provides moderate corrosion resistance, making it suitable for indoor and protected environments.

How to select the correct hex head cap screw for an application?

Select a hex head cap screw by matching thread size, length, grade, and finish to your load and environmental requirements. For high-strength needs, Grade 8 steel (SAE J429) offers superior tensile strength. Always verify dimensional compliance with ASME B18.2.1 for proper fit.

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.
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USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS grade 8 steel hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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