M4 X 30 ROUND HEAD A2 STAINLESS STEEL CLUTCH HEAD MACHINE SCREWS X 100

Round Head A2 Stainless Steel Clutch Head Machine Screws The original one-way security drive. The special ridged design of this drive means that it can only operate in a clockwise motion. Installed using standard slotted screwdriver - no specialist tools required. Also Stocked in; Case Hardened Steel Zinc Plated (CR-3) Woodscrews & A2 Stainless Steel Self Tapping Screws