Drills
Decatur Diamond offers a full selection of drill sizes from .028”-.75” that includes letter, number, and fractional drill sizes; metric sizes are also available from 1mm-12.5mm. Decatur Diamond drills are industry standard 2 flute spiral jobber drills with a 118 degree four facet point. All drills over .042 diameter are furnished with back taper for clearance. When ordering, include -D25 or -D27, depending upon material being machined.
Dimensions are in inches
| Part/EDP Number | Diameter | LOC | OAL | Number of Flutes | Type | Reach | Radius | Size | Dec. Equiv | Shank Size | Shank Length | Reach Length | Temp Shank Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.028 DRILL | - | 5/16 | 2 | - | - | - | - | #70 | 0.028 | 1/8 | 0.563 | 9/16 | 70 |
| 0.0292 DRILL | - | 5/16 | 2 | - | - | - | - | #69 | 0.0292 | 1/8 | 0.563 | 9/16 | 69 |
| 0.031 DRILL | - | 5/16 | 2 | - | - | - | - | #68 | 0.031 | 1/8 | 0.563 | 9/16 | 68 |
| 0.0312 DRILL | - | 5/16 | 2 | - | - | - | - | 1/32 | 0.0312 | 1/8 | 0.563 | 9/16 | 67 |
| 0.032 DRILL | - | 5/16 | 2 | - | - | - | - | #67 | 0.032 | 1/8 | 0.563 | 9/16 | 67 |
| 0.033 DRILL | - | 5/16 | 2 | - | - | - | - | #66 | 0.033 | 1/8 | 0.563 | 9/16 | 66 |
| 0.035 DRILL | - | 5/8 | 2 | - | - | - | - | #65 | 0.035 | 1/8 | 0.875 | 7/8 | 65 |
| 0.0366 DRILL | - | 5/8 | 2 | - | - | - | - | #64 | 0.0366 | 1/8 | 0.875 | 7/8 | 64 |
| 0.037 DRILL | - | 5/8 | 2 | - | - | - | - | #63 | 0.037 | 1/8 | 0.875 | 7/8 | 63 |
| 0.038 DRILL | - | 5/8 | 2 | - | - | - | - | #62 | 0.038 | 1/8 | 0.875 | 7/8 | 62 |
| 0.039 DRILL | - | 5/8 | 2 | - | - | - | - | #61 | 0.039 | 1/8 | 0.875 | 7/8 | 61 |
| 0.04 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #60 | 0.04 | 1/8 | 0.500 | 1 | 60 |
| 0.041 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #59 | 0.041 | 1/8 | 0.500 | 1 | 59 |
| 0.042 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #58 | 0.042 | 1/8 | 0.500 | 1 | 58 |
| 0.043 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #57 | 0.043 | 1/8 | 0.500 | 1 | 57 |
| 0.0465 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #56 | 0.0465 | 1/8 | 0.500 | 1 | 56 |
| 0.0469 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | 3/64 | 0.0469 | 1/8 | 0.500 | 1 | 56 |
| 0.052 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #55 | 0.052 | 1/8 | 0.500 | 1 | 55 |
| 0.055 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #54 | 0.055 | 1/8 | 0.500 | 1 | 54 |
| 0.0595 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #53 | 0.0595 | 1/8 | 0.500 | 1 | 53 |
| 0.0625 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | 1/16 | 0.0625 | 1/8 | 0.500 | 1 | 53 |
| 0.0635 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #52 | 0.0635 | 1/8 | 0.500 | 1 | 52 |
| 0.067 DRILL | - | 3/4 | 2-1/2 | - | - | - | - | #51 | 0.067 | 1/8 | 0.500 | 1 | 51 |
| 0.07 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #50 | 0.07 | 1/8 | 0.625 | 1-1/8 | 50 |
| 0.073 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #49 | 0.073 | 1/8 | 0.625 | 1-1/8 | 49 |
| 0.076 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #48 | 0.076 | 1/8 | 0.625 | 1-1/8 | 48 |
| 0.0781 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | 5/64 | 0.0781 | 1/8 | 0.625 | 1-1/8 | 48 |
| 0.0785 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #47 | 0.0785 | 1/8 | 0.625 | 1-1/8 | 47 |
| 0.081 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #46 | 0.081 | 1/8 | 0.625 | 1-1/8 | 46 |
| 0.082 DRILL | - | 7/8 | 2-1/2 | - | - | - | - | #45 | 0.082 | 1/8 | 0.625 | 1-1/8 | 45 |
| 0.086 DRILL | - | 1 | 2-1/2 | - | - | - | - | #44 | 0.086 | 1/8 | 0.750 | 1-1/4 | 44 |
| 0.089 DRILL | - | 1 | 2-1/2 | - | - | - | - | #43 | 0.089 | 1/8 | 0.750 | 1-1/4 | 43 |
| 0.0935 DRILL | - | 1 | 2-1/2 | - | - | - | - | #42 | 0.0935 | 1/8 | 0.750 | 1-1/4 | 42 |
| 0.0938 DRILL | - | 1 | 2-1/2 | - | - | - | - | 3/32 | 0.0938 | 1/8 | 0.750 | 1-1/4 | 42 |
| 0.096 DRILL | - | 1 | 2-1/2 | - | - | - | - | #41 | 0.096 | 1/8 | 0.750 | 1-1/4 | 41 |
| 0.098 DRILL | - | 1 | 2-1/2 | - | - | - | - | #40 | 0.098 | 1/8 | 0.750 | 1-1/4 | 40 |
| 0.0995 DRILL | - | 1-1/4 | 3 | - | - | - | - | #39 | 0.0995 | 1/8 | 0.500 | 1-1/2 | 39 |
| 0.1015 DRILL | - | 1-1/4 | 3 | - | - | - | - | #38 | 0.1015 | 1/8 | 0.500 | 1-1/2 | 38 |
| 0.104 DRILL | - | 1-1/4 | 3 | - | - | - | - | #37 | 0.104 | 1/8 | 0.500 | 1-1/2 | 37 |
| 1.065 DRILL | - | 1-1/4 | 3 | - | - | - | - | #36 | 1.065 | 1/8 | 0.500 | 1-1/2 | 36 |
| 0.1094 DRILL | - | 1-1/4 | 3 | - | - | - | - | 7/64 | 0.1094 | 1/8 | 0.500 | 1-1/2 | 36 |
| 0.11 DRILL | - | 1-1/4 | 3 | - | - | - | - | #35 | 0.11 | 1/8 | 0.500 | 1-1/2 | 35 |
| 0.111 DRILL | - | 1-1/4 | 3 | - | - | - | - | #34 | 0.111 | 1/8 | 0.500 | 1-1/2 | 34 |
| 0.113 DRILL | - | 1-1/4 | 3 | - | - | - | - | #33 | 0.113 | 1/8 | 0.500 | 1-1/2 | 33 |
| 0.116 DRILL | - | 1-1/4 | 3 | - | - | - | - | #32 | 0.116 | 1/8 | 0.500 | 1-1/2 | 32 |
| 0.12 DRILL | - | 1-1/4 | 3 | - | - | - | - | #31 | 0.12 | 1/8 | 0.500 | 1-1/2 | 31 |
| 0.125 DRILL | - | 1-3/8 | 3 | - | - | - | - | 1/8 | 0.125 | 1/8 | 0.500 | 1-1/2 | 31 |
| 0.1285 DRILL | - | 1-3/8 | 3 | - | - | - | - | #30 | 0.1285 | 3/16 | 0.625 | 1-5/8 | 30 |
| 0.136 DRILL | - | 1-3/8 | 3 | - | - | - | - | #29 | 0.136 | 3/16 | 0.625 | 1-5/8 | 29 |
| 0.1405 DRILL | - | 1-3/8 | 3 | - | - | - | - | #28 | 0.1405 | 3/16 | 0.625 | 1-5/8 | 28 |
| 0.1406 DRILL | - | 1-3/8 | 3 | - | - | - | - | 9/64 | 0.1406 | 3/16 | 0.625 | 1-5/8 | 28 |
| 0.144 DRILL | - | 1-3/8 | 3 | - | - | - | - | #27 | 0.144 | 3/16 | 0.625 | 1-5/8 | 27 |
| 0.147 DRILL | - | 1-3/8 | 3 | - | - | - | - | #26 | 0.147 | 3/16 | 0.625 | 1-5/8 | 26 |
| 0.1495 DRILL | - | 1-3/8 | 3 | - | - | - | - | #25 | 0.1495 | 3/16 | 0.625 | 1-5/8 | 25 |
| 0.152 DRILL | - | 1-3/8 | 3 | - | - | - | - | #24 | 0.152 | 3/16 | 0.625 | 1-5/8 | 24 |
| 0.154 DRILL | - | 1-3/8 | 3 | - | - | - | - | #23 | 0.154 | 3/16 | 0.625 | 1-5/8 | 23 |
| 0.1562 DRILL | - | 1-3/8 | 3 | - | - | - | - | 5/32 | 0.1562 | 3/16 | 0.625 | 1-5/8 | 23 |
| 0.157 DRILL | - | 1-3/8 | 3 | - | - | - | - | #22 | 0.157 | 3/16 | 0.625 | 1-5/8 | 22 |
| 0.159 DRILL | - | 1-3/8 | 3 | - | - | - | - | #21 | 0.159 | 3/16 | 0.625 | 1-5/8 | 21 |
| 0.161 DRILL | - | 1-3/8 | 3 | - | - | - | - | #20 | 0.161 | 3/16 | 0.625 | 1-5/8 | 20 |
| 0.166 DRILL | - | 1-5/8 | 3 | - | - | - | - | #19 | 0.166 | 3/16 | 0.875 | 1-7/8 | 19 |
| 0.1695 DRILL | - | 1-5/8 | 3 | - | - | - | - | #18 | 0.1695 | 3/16 | 0.875 | 1-7/8 | 18 |
| 0.1719 DRILL | - | 1-5/8 | 3 | - | - | - | - | 11/64 | 0.1719 | 3/16 | 0.875 | 1-7/8 | 18 |
| 0.173 DRILL | - | 1-5/8 | 3 | - | - | - | - | #17 | 0.173 | 3/16 | 0.875 | 1-7/8 | 17 |
| 0.177 DRILL | - | 1-5/8 | 3 | - | - | - | - | #16 | 0.177 | 3/16 | 0.875 | 1-7/8 | 16 |
| 0.18 DRILL | - | 1-5/8 | 3 | - | - | - | - | #15 | 0.18 | 3/16 | 0.875 | 1-7/8 | 15 |
| 0.182 DRILL | - | 1-5/8 | 3 | - | - | - | - | #14 | 0.182 | 3/16 | 0.875 | 1-7/8 | 14 |
| 0.185 DRILL | - | 1-5/8 | 3 | - | - | - | - | #13 | 0.185 | 3/16 | 0.875 | 1-7/8 | 13 |
| 0.1875 DRILL | - | 1-5/8 | 3 | - | - | - | - | 3/16 | 0.1875 | 3/16 | 0.875 | 1-7/8 | 13 |
| 0.189 DRILL | - | 1-5/8 | 3 | - | - | - | - | #12 | 0.189 | 1/4 | 0.875 | 1-7/8 | 12 |
| 0.191 DRILL | - | 1-5/8 | 3 | - | - | - | - | #11 | 0.191 | 1/4 | 0.875 | 1-7/8 | 11 |
| 0.1935 DRILL | - | 1-5/8 | 3 | - | - | - | - | #10 | 0.1935 | 1/4 | 0.875 | 1-7/8 | 10 |
| 0.196 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #9 | 0.196 | 1/4 | 0.500 | 2 | 9 |
| 0.199 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #8 | 0.199 | 1/4 | 0.500 | 2 | 8 |
| 0.201 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #7 | 0.201 | 1/4 | 0.500 | 2 | 7 |
| 0.2031 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | 13/64 | 0.2031 | 1/4 | 0.500 | 2 | 7 |
| 0.204 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #6 | 0.204 | 1/4 | 0.500 | 2 | 6 |
| 0.2055 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #5 | 0.2055 | 1/4 | 0.500 | 2 | 5 |
| 0.209 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #4 | 0.209 | 1/4 | 0.500 | 2 | 4 |
| 0.213 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #3 | 0.213 | 1/4 | 0.500 | 2 | 3 |
| 0.2188 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | 7/32 | 0.2188 | 1/4 | 0.500 | 2 | 3 |
| 0.221 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #2 | 0.221 | 1/4 | 0.500 | 2 | 2 |
| 0.228 DRILL | - | 1-3/4 | 3-1/2 | - | - | - | - | #1 | 0.228 | 1/4 | 0.500 | 2 | 1 |
| 0.234 DRILL | - | 2 | 3-1/2 | - | - | - | - | A | 0.234 | 1/4 | 0.750 | 2-1/4 | - |
| 0.2344 DRILL | - | 2 | 3-1/2 | - | - | - | - | 15/64 | 0.2344 | 1/4 | 0.750 | 2-1/4 | - |
| 0.238 DRILL | - | 2 | 3-1/2 | - | - | - | - | B | 0.238 | 1/4 | 0.750 | 2-1/4 | - |
| 0.242 DRILL | - | 2 | 3-1/2 | - | - | - | - | C | 0.242 | 1/4 | 0.750 | 2-1/4 | - |
| 0.246 DRILL | - | 2 | 3-1/2 | - | - | - | - | D | 0.246 | 1/4 | 0.750 | 2-1/4 | - |
| 0.25 DRILL | - | 2 | 3-1/2 | - | - | - | - | 1/4 | 0.25 | 1/4 | 0.750 | 2-1/4 | - |
| 0.257 DRILL | - | 2 | 3-1/2 | - | - | - | - | F | 0.257 | 5/16 | 0.750 | 2-1/4 | - |
| 0.261 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | G | 0.261 | 5/16 | 0.875 | 2-3/8 | - |
| 0.2656 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | 17/64 | 0.2656 | 5/16 | 0.875 | 2-3/8 | - |
| 0.266 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | H | 0.266 | 5/16 | 0.875 | 2-3/8 | - |
| 0.272 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | I | 0.272 | 5/16 | 0.875 | 2-3/8 | - |
| 0.277 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | J | 0.277 | 5/16 | 0.875 | 2-3/8 | - |
| 0.281 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | K | 0.281 | 5/16 | 0.875 | 2-3/8 | - |
| 0.2812 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | 9/32 | 0.2812 | 5/16 | 0.875 | 2-3/8 | - |
| 0.29 DRILL | - | 2-1/8 | 3-1/2 | - | - | - | - | L | 0.29 | 5/16 | 0.875 | 2-3/8 | - |
| 0.295 DRILL | - | 2-3/8 | 4 | - | - | - | - | M | 0.295 | 5/16 | 0.625 | 2-5/8 | - |
| 0.2969 DRILL | - | 2-3/8 | 4 | - | - | - | - | 19/64 | 0.2969 | 5/16 | 0.625 | 2-5/8 | - |
| 0.302 DRILL | - | 2-3/8 | 4 | - | - | - | - | N | 0.302 | 5/16 | 0.625 | 2-5/8 | - |
| 0.3125 DRILL | - | 2-3/8 | 4 | - | - | - | - | 5/16 | 0.3125 | 5/16 | 0.625 | 2-5/8 | - |
| 0.316 DRILL | - | 2-3/8 | 4 | - | - | - | - | O | 0.316 | 3/8 | 0.625 | 2-5/8 | - |
| 0.323 DRILL | - | 2-3/8 | 4 | - | - | - | - | P | 0.323 | 3/8 | 0.625 | 2-5/8 | - |
| 0.3281 DRILL | - | 2-1/2 | 4 | - | - | - | - | 21/64 | 0.3281 | 3/8 | 0.750 | 2-3/4 | - |
| 0.332 DRILL | - | 2-1/2 | 4 | - | - | - | - | Q | 0.332 | 3/8 | 0.750 | 2-3/4 | - |
| 0.339 DRILL | - | 2-1/2 | 4 | - | - | - | - | R | 0.339 | 3/8 | 0.750 | 2-3/4 | - |
| 0.3438 DRILL | - | 2-1/2 | 4 | - | - | - | - | 11/32 | 0.3438 | 3/8 | 0.750 | 2-3/4 | - |
| 0.348 DRILL | - | 2-1/2 | 4 | - | - | - | - | S | 0.348 | 3/8 | 0.750 | 2-3/4 | - |
| 0.358 DRILL | - | 2-3/4 | 4-1/2 | - | - | - | - | T | 0.358 | 3/8 | 0.500 | 3 | - |
| 0.3594 DRILL | - | 2-3/4 | 4-1/2 | - | - | - | - | 23/64 | 0.3594 | 3/8 | 0.500 | 3 | - |
| 0.368 DRILL | - | 2-3/4 | 4-1/2 | - | - | - | - | U | 0.368 | 3/8 | 0.500 | 3 | - |
| 0.375 DRILL | - | 2-3/4 | 4-1/2 | - | - | - | - | 3/8 | 0.375 | 3/8 | 0.500 | 3 | - |
| 0.377 DRILL | - | 2-3/4 | 4-1/2 | - | - | - | - | V | 0.377 | 7/16 | 0.500 | 3 | - |
| 0.386 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | W | 0.386 | 7/16 | 0.625 | 3-1/8 | - |
| 0.3906 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | 25/64 | 0.3906 | 7/16 | 0.625 | 3-1/8 | - |
| 0.397 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | X | 0.397 | 7/16 | 0.625 | 3-1/8 | - |
| 0.404 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | Y | 0.404 | 7/16 | 0.625 | 3-1/8 | - |
| 0.4062 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | 13/32 | 0.4062 | 7/16 | 0.625 | 3-1/8 | - |
| 0.413 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | Z | 0.413 | 7/16 | 0.625 | 3-1/8 | - |
| 0.4219 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | 27/64 | 0.4219 | 7/16 | 0.625 | 3-1/8 | - |
| 0.4375 DRILL | - | 2-7/8 | 4-1/2 | - | - | - | - | 7/16 | 0.4375 | 7/16 | 0.625 | 3-1/8 | - |
| 0.4531 DRILL | - | 3 | 5 | - | - | - | - | 29/64 | 0.4531 | 1/2 | 0.250 | 3-1/4 | - |
| 0.4688 DRILL | - | 3 | 5 | - | - | - | - | 15/32 | 0.4688 | 1/2 | 0.250 | 3-1/4 | - |
| 0.4844 DRILL | - | 3 | 5 | - | - | - | - | 31/64 | 0.4844 | 1/2 | 0.250 | 3-1/4 | - |
| 0.5 DRILL | - | 3 | 5 | - | - | - | - | 1/2 | 0.5 | 1/2 | 0.250 | 3-1/4 | - |
| 0.625 DRILL | - | 4 | 6 | - | - | - | - | 5/8 | 0.625 | 5/8 | 0.500 | 4-1/4 | - |
| 0.75 DRILL | - | 4 | 6 | - | - | - | - | 3/4 | 0.75 | 3/4 | 0.500 | 4-1/4 | - |