If they don't outperform any other drills you have now
Tri-Flat Shank Prevents "Slipping" in the Chuck
1/4" 9/32"
13 Fractional Sizes 1/16" - 1/4" by 1/64ths
1/8" Stub Length Screw Machine Drill Bit
115 Pc Letter Number Drill Bit Set Stubby Stub Screw Machine Length Drill Hog If they don't outperform anyDrill Hog USA 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.