The 5-Second Trick For types of screw heads
possibly by far the most widespread are Nos. one and a couple of, Even though No. 0 will be required for some very small screws and three and four for big screws. (See The purpose / little bit sizing tutorial for specifics of Phillips, sq. and Torx® generate sizes, plus the Socket Screw items chart for specifics of hex key measurements.) Slotted a