SECURITY Šroub s půlkulatou hlavou s vnitřním šestihranem a trnem Nerezocel A251036
SECURITY Šestihranný vrut se zápustnou hlavou s čepem Nerezocel A251578
SECURITY Šroub s čepem se šestihrannou zápustnou hlavou Nerezocel A251588
Vtur s vypouklou hlavou a šestihranem s trnem Nerezocel A251599
SECURITY Hexagon socket raised countersunk screw with pin Nerezocel A251038
This drive prevents removal with standard hexagon tools. Suitable for medium torque applications and is one of the most difficult to remove without the matching driver.