Attributes . Hex 5/64 in , 3/32 in , 7/64 in , 1/8 in , 9/64 in , Phillips #1, #2, #3, Pozidriv(R) #1, #2, Robertson Square Recess 3/32 in , 1/8 in , Slotted 3F-4R, 4F-5R, 6F-8R, 8F-10R, 10F-12R, Torx(R) T10, T15, T20, T25, T27, T30, T40 . Names