TYPES OF SCREW HEADS SECRETS

The sq. form on the recess allows for a safer fit and cuts down the risk of damage to the screw head. An external Torx screw incorporates a projecting head in The form of the Torx screwdriver bit (as an alternative to a standard recessed cavity); a Torx socket is accustomed to travel it. The external "E" Torx nominal sizing won't correspond toward