• HSS Twist Drill Set 118 ° point 1/16 - 1/2 by 64ths• High speed steel provides good wear resistance, can be used in general purpose applications for ferrous and nonferrous materials•Black oxide prevents chip building, galling and welding.
96 Pc Set Type 240 Fract. HSS - Drawer Commonly used for low carbon, stainless and ferrous metals•Spiral flutes with a higher flute angle to remove chips more easily•Contains: 6 each 1/16", 3/32", 1/8", 5/32", 11/64", 3/16", 7/32", 1/4"3 each 5/64", 7/64", 9/64", 13/64", 15/64", 9/32", 5/16", 11/32"2 each 17/64", 21/64", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 1/2"1 each 19/64", 31/64".