[100 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/16-18 x 2 1/2

Mutual ScrewSKU: 3140CH8PDBB

Price:
Sale price$81.85 Regular price$90.95per 100( $0.82 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/2
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 6.1 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

Meet the Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/16-18 x 2 1/2, a high-strength fastener crafted for demanding machinery, automotive, and industrial applications. This USA-made screw combines rugged performance with a plain finish for versatile use where coating isn’t required.

  • Material: Grade 8 steel for exceptional strength and durability in high-load assemblies.
  • Finish: Plain, uncoated surface suitable for applications that don’t require plating or corrosion protection.
  • Size & Thread: 5/16-18 UNC thread, 2 1/2 inches long, providing solid engagement and reliable clamping.
  • Head style: Hex head cap screw designed for use with standard wrenches or sockets for easy installation and removal.
  • Origin: USA Made, ensuring consistent quality and traceability for critical projects.
  • Applications: Ideal for machinery construction, automotive assemblies, equipment maintenance, and other heavy-duty fastening needs.
  • Compatibility: Works with corresponding nuts and tapped holes sized for 5/16-18 threads; pairs well with other Grade 8 fasteners in secure assemblies.
  • Usage tips: Follow torque specifications appropriate for Grade 8 fasteners to avoid over-tightening; ensure proper thread engagement for maximum strength.

Choose these Grade 8 hex head cap screws for lasting performance, dependable clamping, and the confidence of buying USA-made hardware for your toughest projects. Add to cart and equip your next build with proven strength.

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