[3000 BULK] Hex Head Cap Screws Grade 8 Steel Plain 1/4-20 x 5/8

Mutual ScrewSKU: 1410CH8PBB

Price:
Sale price$173.82per 3000( $0.06 each)
Pieces 3000
Measurement type Inch
Thread size 1/4-20
Diameter 1/4
Length 5/8
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 20
Thread style Partially Threaded
Weight 40.0 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

Designed for heavy-duty fastening, these Hex Head Cap Screws are made from Grade 8 steel with a plain finish. The 1/4-20 thread size and 5/8 inch length offer reliable, high-strength performance in a variety of applications.

Key features

  • High-strength Grade 8 steel provides robust performance for demanding assemblies.
  • Plain finish means no plating; suitable for indoor use or when corrosion protection is handled by other means.
  • Hex drive enables quick installation and removal with a standard wrench or socket.
  • 1/4-20 UNC thread ensures compatibility with common nuts and threaded components.
  • Diameter and length: 1/4 inch nominal diameter, 5/8 inch long

Specifications

  • Thread size: 1/4-20
  • Length: 5/8 in
  • Material: Grade 8 steel
  • Finish: Plain (uncoated)
  • Head type: Hex head
  • Drive type: Hex
  • Coating: None (plain)

Applications

Ideal for heavy-duty assemblies in machinery, automotive equipment, construction, and maintenance projects where strong, reliable fasteners are required. The plain steel finish allows ease of inspection and component compatibility, while Grade 8 steel delivers high tensile strength under load.

Installation and care

Tip: Use the proper sized socket or wrench to avoid rounding the hex head. Ensure proper thread engagement and avoid overtightening. For outdoor or corrosive environments, consider applying an appropriate coating or using a plated alternative to extend service life.

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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