Flat Head, Torx

ISO 14581

ISO 14581 specifies the characteristics of hexalobular (6-lobe) socket drive countersunk flat...

BN 3803

BN 3803 screws are fully threaded, countersunk flat head screws with a...

BN 4851

BN 4851 screws are fully threaded, countersunk flat head screws with a...