This 115 piece high speed steel drill bit set includes industrial quality fractional, lettered and numbered bits in a heavy duty steel drill index. The high quality black industrial finish keeps the bits rust-free and ready for heavy use.
- High speed steel
- 29 fractional sizes 1/16 in. to 1/2 in. by 64ths
- 26 letter sizes A to Z
- 60 numbered wire gauge sizes 1 to 60
- Convenient drill index
- 118 deg. tips
Fractional sizes: 1/16 in, 5/64 in, 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 11/64 in, 3/16 in, 13/64 in, 7/32 in, 15/64 in, 1/4 in, 17/64 in, 9/32 in, 19/64 in, 5/16 in, 21/64 in, 11/32 in, 23/64 in, 3/8 in, 5/64 in, 13/32 in, 27/64 in, 7/16 in, 29/64 in, 15/32 in, 31/64 in, 1/2 in; Letter sizes: A (0.234 in.), B (0.238 in.), C (0.243 in.), D (0.247 in.), E (0.250 in.), F (0.257 in.), G (0.260 in.), H (0.266 in.), I (0.271 in.), J (0.275 in.), K (0.281 in.), L (0.289 in.), M (0.295 in.), N (0.301 in.), O (0.313 in.), P (0.321 in.), Q (0.332 in.), R (0.339 in.), S (0.347 in.), T (0.356 in.), U (0.367 in.), V (0.382 in.), W (0.388 in.), X (0.398 in.), Y (0.403 in.), Z (0.412 in.)
Numbered sizes: 1 (0.228 in.), 2 (0.220 in.), 3 (0.213 in.),4 (0.209 in.), 5 (0.205 in.), 6 (0.204 in.), 7 (0.201 in.), 8 (0.199 in.), 9 (0.196 in.), 10 (0.194 in.), 11 (0.191 in.), 12 (0.188 in.), 13 (0.185 in.), 14 (0.182 in.), 15 (0.180 in.), 16 (0.176 in.), 17 (0.173 in.), 18 (0.169 in.), 19 (0.167 in.), 20 (0.162 in.), 21 (0.159 in.), 22 (0.156 in.), 23 (0.154 in.), 24 (0.153 in.), 25 (0.149 in.), 26 (0.147 in.), 27 (0.144 in.), 28 (0.140 in.), 29 (0.136 in.), 30 (0.128 in.), 31 (0.120 in.), 32 (0.116 in.), 33 (0.113 in.), 34 (0.112 in.), 35 (0.110 in.), 36 (0.106 in.), 37 (0.104 in.), 38 (0.101 in.), 39 (0.099 in.), 40 (0.098 in.), 41 (0.096 in.), 42 (0.093 in.), 43 (0.090 in.), 44 (0.086 in.), 45 (0.083 in.), 46 (0.081 in.), 47 (0.079 in.), 48 (0.076 in.), 49 (0.073 in.), 50 (0.070 in.), 51 (0.067 in.), 52 (0.064 in.), 53 (0.058 in.), 54 (0.054 in.), 55 (0.052 in.), 56 (0.046 in.), 57 (0.043 in.), 58 (0.042 in.), 59 (0.041 in.), 60 (0.040 in.)