Why Choose Grade 8 Hex Head Cap Screws?

Grade 8 fasteners offer superior tensile strength compared to Grade 2 and Grade 5, making them ideal for heavy-duty industrial and automotive applications.

Key Benefits:

• ✔ Heat-treated alloy steel construction

• ✔ Minimum tensile strength of approximately 150,000 PSI

• ✔ Identified by six radial lines on the head

• ✔ Available in coarse (UNC) and fine (UNF) threads

• ✔ Yellow zinc plated for corrosion resistance

• ✔ Designed for high-torque, high-load applications

• ✔ Bulk quantity discounts available

Finish Options

Yellow Zinc Plated Grade 8 Hex Cap Screws

Provides corrosion resistance and easy grade identification while maintaining high-strength performance.

(Plain finish options may be available depending on size.)

Common Applications

• Heavy equipment and machinery

• Automotive suspension and drivetrain components

• Industrial structural assemblies

• Agricultural and construction equipment

• Trailer and high-load hardware

• High-vibration environments

Grade 8 hex head cap screws are the preferred choice when safety, strength, and load-bearing capacity are non-negotiable.

Product Specifications

• Grade: SAE Grade 8

• Material: Heat-Treated Alloy Steel

• Finish: Yellow Zinc Plated

• Diameter Range: #10 through 1”

• Thread Types: UNC and UNF

• Head Style: Hex Head

• Meets: ASME dimensional standards

Buy Grade 8 Hex Head Cap Screws Online

Value Fastener provides reliable inventory, competitive pricing, and fast order fulfillment to support OEMs, contractors, and industrial buyers.

When your application demands the highest strength available in standard hex head cap screws, Grade 8 delivers — and so do we.