Hex Set Screw

The Hex Set Screw is a medium to high carbon steel, heat treated and hardened. Set Screws are used in machinery, fabrication and construction applications. The Hex Set Screw is designed to fit a spanner or wrench allowing you to tighten the screw to your exact specifications. Additionally, United Fasteners have expertise in the supply of fasteners manufactured from more exotic materials such as duplex and super duplex stainless, nickel and copper alloys, durehete, etc. please contact us for more information.


  • Metric: Dia M3 - M42 & Lengths 10mm - 350mm
  • Imperial: Dia 3/16" - 1-1/8" & Lengths 1/2" - 8"
  • Threads: Metric Coarse/Fine & Imperial BSW, UNC, UNF
  • Strength: Property Class 8.8, 10.9, 12.9 & Grade 2, 5, 8, L9 & A2-70, A4-70/80
  • Material/Finish: Plain, Zinc Plated, Hot Dip Galvanised & G304/G316 Stainless Steel
  • Compliance: AS 1111.1, AS 1110, DIN 931, ISO 4014