Page 448 - Hartner

Dimensions
Straight shank twist drills

DIN 1897 DIN 338 DIN 339 DIN 340 DIN 1869 DIN 1869 DIN 1869

Ø mm overall flute overall flute overall flute overall flute overall flute overall flute overall flute
length length length length length length length length length length length length length length
above up to mm mm mm mm mm mm mm mm mm mm mm mm mm mm

0.19 – 0.24 19 2.5 series 1 series 2 series 3
0.24 – 0.30 19 3
0.30 – 0.38 19 4
0.38 – 0.48 20 5
0.48 – 0.53 20 3 22 6 28 12 32 12
0.53 – 0.60 21 3.5 24 7 32 15 35 15
0.60 – 0.67 22 4 26 8 36 18 38 18
0.67 – 0.75 23 4.5 28 9 39 20 42 21
0.75 – 0.85 24 5 30 10 42 22 46 25
0.85 – 0.95 25 5.5 32 11 45 24 51 29
0.95 – 1.06 26 6 34 12 48 26 56 33
1.06 – 1.18 28 7 36 14 50 28 60 37
1.18 – 1.32 30 8 38 16 52 30 65 41
1.32 – 1.50 32 9 40 18 55 33 70 45
1.50 – 1.70 34 10 43 20 58 35 76 50
1.70 – 1.90 36 11 46 22 62 38 80 53
1.90 – 2.12 38 12 49 24 66 41 85 56 125 85
2.12 – 2.36 40 13 53 27 70 44 90 59 135 90
2.36 – 2.65 43 14 57 30 74 47 95 62 140 95
2.65 – 3.00 46 16 61 33 79 51 100 66 150 100 190 130
3.00 – 3.35 49 18 65 36 84 55 106 69 155 105 200 135
3.35 – 3.75 52 20 70 39 91 60 112 73 165 115 210 145 265 180
3.75 – 4.25 55 22 75 43 96 64 119 78 175 120 220 150 280 190
4.25 – 4.75 58 24 80 47 102 69 126 82 185 125 235 160 295 200
4.75 – 5.30 62 26 86 52 108 74 132 87 195 135 245 170 315 210
5.30 – 6.00 66 28 93 57 116 80 139 91 205 140 260 180 330 225
6.00 – 6.70 70 31 101 63 124 86 148 97 215 150 275 190 350 235
6.70 – 7.50 74 34 109 69 133 93 156 102 225 155 290 200 370 250
7.50 – 8.50 79 37 117 75 142 100 165 109 240 165 305 210 390 265
8.50 – 9.50 84 40 125 81 151 107 175 115 250 175 320 220 410 280
9.50 – 10.60 89 43 133 87 162 116 184 121 265 185 340 235 430 295
10.60 – 11.80 95 47 142 94 173 125 195 128
11.80 – 13.20 102 51 151 101 184 134 205 134
13.20 – 14.00 107 54 160 108 194 142 214 140
14.00 – 15.00 111 56 169 114 202 147 220 144
15.00 – 16.00 115 58 178 120 211 153 227 149
16.00 – 17.00 119 60 184 125 218 159 235 154
17.00 – 18.00 123 62 191 130 226 165 241 158
18.00 – 19.00 127 64 198 135 234 171 247 162
19.00 – 20.00 131 66 205 140 242 177 254 166
20.00 – 21.20 136 68 261 171
21.20 – 22.40 141 70 268 176
22.40 – 23.60 146 72 275 180
23.60 – 25.00 151 75 282 185
25.00 – 26.50 156 78
26.50 – 28.00 162 81
28.00 – 30.00 168 84
30.00 – 31.50 174 87
31.50 – 33.50 180 90
33.50 – 35.50 186 93
35.50 – 37.50 193 96
37.50 – 40.00 200 100

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