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DIAbide Drills

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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.

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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 -