Robertson Screwdriver, #2 x 4

Robertson screw slot robertson screw Slotted screws are the simplest type of screw, consisting of a single slot at the head of the screw I personally prefer Robertson screws for woodworking slot car drag racing In addition to its superior grip, it is more versatile than the Slotted and Phillips drive Square Drive square drive screw or robertson drive

slot offline His specially designed square socket screws and the driver gave a tighter grip than any usual slot and rarely slipped Robertson worked hard