Countersunk (Flat) Socket Cap Screw

Countersunk/Flat Head Socket Cap Screws are high strength fasteners with an Internal Hex or Allen drive style and low profile flat head, which is angled under to sit flush in applications and are fully threaded. Socket Cap Screws are used in mechanical applications.


  • Metric: Dia M2 - M30, lengths 4mm - 300mm
  • Imperial: Dia #0-80 - 1-1/4", lengths 1/8" - 8"
  • Threads: Metric Coarse/Fine, Imperial BSW, UNC, UNF, BSF, BA
  • Strength: Property Class 10.9, 12.9 & 38-43 HRC & A2-70, A4-70/80
  • Material/Finish: Plain, Zinc Plated & Stainless Steel
  • Compliance: DIN7991, ANSI B18.3, BS 2470, ISO 10642