Knurled Cup Point Socket Set (Grub) Screws

Knurled Cup Point Socket Set Screws are used for quick and permanent location of gears, collars, pulleys or knobs on shafts. Exclusive counter clockwise locking knurls resit screw loosening, even in poorly tapped holes. Resists the most severe vibration.


  • Metric: Dia M3 - M20 & Lengths 3mm - 120mm
  • Imperial: Dia 4-40" - 3/4" & Lengths 1/8" - 3"
  • Threads: Metric, Imperial BSW, UNC, UNF
  • Strength: 14.9
  • Material/Finish: Plain
  • Compliance: DIN 916, ANSI B18.3, BS 2470