HIGH SPEED STEP DRILLS WITH STRAIGHT FLUTE
| Serial No | Drilling range mm | Shank Dia | Steps | Article no HSS Tin-coated | Article no HSS Black-finished |
|---|---|---|---|---|---|
| 0/5 | 4-12 | 6 | 5 | SD-T4125R | SD-B4125R |
| 0/9 | 4-12 | 6 | 9 | SD-T4129R | SD-B4129R |
| 1 | 3-12 | 6 | 10 | SD-T312R | SD-B312R |
| 2 | 3-14 | 6 | 13 | SD-T314R | SD-B314R |
| 3 | 4-20 | 8 | 9 | SD-T420R | SD-B420R |
| 4 | 4-22 | 8 | 10 | SD-T422R | SD-B422R |
| 5 | 4-24 | 8 | 11 | SD-T424R | SD-B424R |
| 6 | 4-30 | 10 | 14 | SD-T430R | SD-B430R |
| 7 | 4-32 | 10 | 15 | SD-T432R | SD-B432R |
| 8 | 4-39 | 12 | 13 | SD-T439R | SD-B439R |
| 9 | 5-28 | 10 | 7 | SD-T528R | SD-B528R |
| Serial No | Drilling range mm | Shank Dia | Steps | Article no HSS Tin-coated | Article no HSS Black-finished |
|---|---|---|---|---|---|
| 10 | 5-35 | 12 | 13 | SD-T535R | SD-B535R |
| 11 | 6-18 | 8 | 7 | SD-T618R | SD-B618R |
| 12 | 6-20 | 8 | 8 | SD-T620R | SD-B620R |
| 13 | 6-30 | 10 | 13 | SD-T630R | SD-B630R |
| 14 | 6-35 | 12 | 13 | SD-T635R | SD-B635R |
| 15 | 6-37 | 12 | 11 | SD-T637R | SD-B637R |
| 16 | 6-38 | 12 | 12 | SD-T638R | SD-B638R |
| 17 | 9-36 | 12 | 10 | SD-T936R | SD-B936R |
| 18 | 10-20 | 8 | 11 | SD-T1020R | SD-B1020R |
| 19 | 14-24 | 8 | 6 | SD-T1424R | SD-T1424R |
| 20 | 20-30 | 10 | 11 | SD-T2030R | SD-B2030R |
| 21 | 20-34 | 10 | 14 | SD-T2034R | SD-B2034R |