These hole cutters bits will drill through very tough steels like sheet metal
Drill Hog 3" Carbide Tipped Hole Saw
8" Gear Puller
Wooden Storage Case
100 Ft Pounds
Drill Hog® Mil-Spec 115 Pc Drill Bit Set Letter Number HI-Molybdenum M7 These hole cutters bits willDrill Hog 115 Pc HI Molybdenum M7 Drill Bit Set Includes: 29 Fractional Sizes from 1 16" to 1 2" (by 1 64ths) 1 16", 5 64", 3 32", 7 64", 1 8", 9 64", 5 32", 11 64", 3 16", 13 64", 7 32", 15 64", 1 4", 17 64", 9 32", 19 64", 5 16", 21 64", 11 32", 23 64", 3 8", 25 64", 13 32", 27 64", 7 16", 29 64", 15 32", 31 64", 1 2" 26 Letter Size Drill Bits from A to Z A (0. 234), B (. 0238), C (0. 243), D (0. 247), E (0. 250), F (0. 257), G (0. 260), H (0. 266),