One-piece twist drill bit, fully ground from the solid, short version with hexagonal shank for bit holder (1/4“; C 6,3), polished section of the surface of the cone 118°, blank ground
For drilling alloyed and not alloyed steel and cast steel up to 900 N/mm², grey and malleable cast iron etc., with a cordless screwdriver. The ground chip flutes guarantee a good chip removal
| Art.- No. | O-Ø [mm] |
SØ [mm] |
OAL [mm] |
SpL [mm] |
|
|---|---|---|---|---|---|
| 2597.030 | 3 | E 6,3 | 70 | 35 | |
| 2597.033 | 3,3 | E 6,3 | 70 | 35 | |
| 2597.035 | 3,5 | E 6,3 | 70 | 35 | |
| 2597.040 | 4 | E 6,3 | 75 | 40 | |
| 2597.042 | 4,2 | E 6,3 | 80 | 45 | |
| 2597.045 | 4,5 | E 6,3 | 80 | 45 | |
| 2597.050 | 5 | E 6,3 | 86 | 51 | |
| 2597.055 | 5,5 | E 6,3 | 93 | 57 | |
| 2597.060 | 6 | E 6,3 | 93 | 57 | |
| 2597.065 | 6,5 | E 6,3 | 101 | 63 | |
| 2597.068 | 6,8 | E 6,3 | 101 | 63 | |
| 2597.070 | 7 | E 6,3 | 109 | 69 | |
| 2597.075 | 7,5 | E 6,3 | 109 | 69 | |
| 2597.080 | 8 | E 6,3 | 117 | 75 | |
| 2597.085 | 8,5 | E 6,3 | 117 | 75 | |
| 2597.090 | 9 | E 6,3 | 125 | 81 | |
| 2597.100 | 10 | E 6,3 | 133 | 87 | |
| 2597.110 | 11 | E 6,3 | 142 | 94 | |
| 2597.120 | 12 | E 6,3 | 151 | 101 | |
| 2597.130 | 13 | E 6,3 | 151 | 101 |
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Model 2597
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