#004095

Diameter Thread Threads Length Grade Finish Weight
0.3125 (5/16) Partial 24 1.5 (1 1/2) Grade 5 Plain Finish .0403
Diameter 0.3125 (5/16)
Thread 24
Length 1.5 (1 1/2)
Grade Grade 5
Finish Plain Finish
Weight .0403



Hex Head Cap Screws, or Partial Thread Cap Screws, are a staple in the fastener industry. They are commonly called “hex bolts” but a hex cap screw is made to a higher quality than Hex Head Bolts allowing the head to hold flush to the clamped material. Earnest offers Cap Screws in grades 5 and 8

Hex Head Cap ScrewGrade 5

  • Sizes range from 1/4" to 2
  • Meets ASME B18.2.1 standards
  • Hex Head Cap Screw – Grade 8

  • Sizes range from 1/4" to 2
  • Meets ASME B18.2.1 standards
  • HAVE A QUESTION?

    • Support 1-800-327-6378