ONE WAY RECESS - （SCREW（Industrial fasteners）｜Special Drive Recesses）：This is the product for the special driving parts that have critical points to be kept inaccessible to users for protecting product functions or for the sake of safety and thus require the screws that cannot be loosened by commercially available bits.

SCREW（Industrial fasteners）／Special Drive Recesses

ONEWAY RECESSRemoval Prevention

Special Drive Recesses

This is the product for the special driving parts that have critical points to be kept inaccessible to users for protecting product functions or for the sake of safety and thus require the screws that cannot be loosened by commercially available bits.