[225 PKG] Hex Head Cap Screws Grade 8 Steel Plain 3/8-16 x 4-1/2

Mutual ScrewSKU: 3772CH8PBB

Price:
Sale price$118.02per 225( $0.52 each)
Pieces 225
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 4-1/2
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 16
Thread style Partially Threaded
Weight 34.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Overview

Hex Head Cap Screws Grade 8 Steel Plain 3/8-16 x 4-1/2 deliver exceptional strength and reliability for demanding industrial fastening. Crafted from high-grade steel and finished plain, these hex head cap screws combine toughness with a clean profile, making them a trusted choice for heavy machinery, automotive assemblies, and rugged equipment.

Key Features

  • Grade 8 steel for superior tensile strength and durability under high-load conditions.
  • Plain finish provides a simple, unobtrusive look and avoids unnecessary coatings where corrosion protection isn’t required.
  • Hex head allows easy wrenching with standard tools for quick, secure tightening.
  • Thread size 3/8-16 offers strong clamping in a wide range of assemblies.
  • Length 4-1/2 inches suits longer fastening needs while maintaining robust shear strength.

Specifications

  • Thread size: 3/8-16
  • Length: 4-1/2 in
  • Head type: Hex Head
  • Finish: Plain
  • Material: Steel
  • Grade: 8

Applications

Designed for high-stress environments, these hex head cap screws are ideal for automotive, industrial, and machinery assemblies where strong clamping force and durable performance are essential. The plain finish makes them suitable for interior use or protected applications where plating isn’t necessary.

Why Choose These Fasteners

Engineered to meet rigorous standards, these Hex Head Cap Screws Grade 8 Steel Plain 3/8-16 x 4-1/2 provide dependable torque, consistent gripping power, and long service life in demanding settings. They’re compatible with standard 3/8-16 nuts and hardware, making them a reliable drop-in solution for your next project.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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