Close this search box.

Close this search box.


Sentinel Countersunk Machine Screw

  • Non-removable, one way Pozidrive system.
  • Unique to Prolok – Design rights apply.
  • Fast, easy installation with power tools – use standard Pozidrive bits or drivers.
  • Stocked in Zinc Plated steel, other materials available by special order.

M4 – M6 Product Data Sheet

Part Number STCM Category

Download our security Fastener product guide