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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 3G-OTH-678884) are inch-system fasteners with a zinc-yellow finish, 1/2"-20 fine thread, 4-inch length, fully threaded, in a 5-pack. Manufactured to ASME B18.2.1…

SKU 3G-OTH-678884

Also listed as: ZBOLT3871 · ZBOLT 3871

Brand
USA INDUSTRIALS
Item
Grade 8 Steel Hex Head Cap Screw
Part Number
ZBOLT-3871
Category
Grade 8 Steel Hex Head Cap Screws
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZBOLT-3871
Type
Grade 8, Zinc Yellow, 1/2"-20, Fine, 4 in lg, Fully Threaded, Inch, 5 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 3G-OTH-678884) are inch-system fasteners with a zinc-yellow finish, 1/2"-20 fine thread, 4-inch length, fully threaded, in a 5-pack. Manufactured to ASME B18.2.1 dimensional standards and SAE J429 material quality standards, these globally sourced hex head cap screws are suitable for high-strength bolting applications.

Frequently Asked Questions

What are Grade 8 steel hex head cap screws used for?

Grade 8 steel hex head cap screws are used in high-strength bolting applications such as heavy equipment assembly, structural steel connections, and automotive drivetrain mounting. Their zinc-yellow finish provides moderate corrosion resistance. USA INDUSTRIALS supplies these globally sourced fasteners to industrial maintenance and fabrication operations worldwide.

What are the specifications of USA INDUSTRIALS Grade 8 hex head cap screw ZBOLT-3871?

USA INDUSTRIALS ZBOLT-3871 is a Grade 8 steel hex head cap screw with a zinc-yellow finish, 1/2"-20 fine thread, 4-inch length, fully threaded, in a 5-pack. It meets ASME B18.2.1 dimensional standards and SAE J429 material quality standards. This inch-system fastener is suitable for high-strength bolting applications.

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, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the ZBOLT-3871 5-pack or other pack sizes. We source genuine fasteners to meet your project requirements.

How to select the right Grade 8 hex head cap screw for an application?

Select Grade 8 hex head cap screws based on thread size, length, and grade. For high-strength bolting, ensure the fastener meets SAE J429 Grade 8 and ASME B18.2.1 dimensional standards. Match the thread pitch (fine or coarse) to the mating nut or tapped hole. USA INDUSTRIALS offers inch-system fasteners like the 1/2"-20 fine thread ZBOLT-3871 for demanding applications.

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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