Specifications
HSS step drill bitsMaterial: high speed steel
Round shank
Cobalt coated
drill perfect for drilling multiple-size holes
HSS step drill bits
Material: HSS 4241/4341/9341/M2/M35
Flute shape: Straight flute, single flute, Spiral flute, Spiral flute with chipbreaker
Shank style: round shank, three flatted shank, hex shank
Size | Steps | Shank Size |
| 4 - 12mm | 5 step | 6mm/6.5mm |
| 4 - 12mm | 9 step | 6mm/6.5mm |
| 4 - 20mm | 9 step | 8mm |
| 4 - 22mm | 10 step | 8mm |
| 4 - 30mm | 14 step | 10mm |
| 4 - 39mm | 14 step | 10mm |
| 5 - 35mm | 13 step | 13mm |
| 6 - 18mm | 7 step | 10mm |
| 6 - 20mm | 8 step | 10mm |
| 6 - 24mm | 10 step | 10mm |
| 6 - 32mm | 8 step | 10mm |
| 14 - 24mm | 6 step | 13mm |
| 14 - 25mm | 7 step | 13mm |
| 20 - 34mm | 8 step | 13mm |
| 10 - 20mm | 11 step | 10mm |
| 20 - 30mm | 11 step | 13mm |
| 5 - 28.3mm | 10 step | 10mm |
| 6 - 30mm | 13 step | 10mm |
| 6 - 38mm | 12 step | 10mm |
| 6 - 26.75mm | 7 step | 10mm |
| 6 - 39mm | 12 step | 10mm |
| 6 - 37mm | 12 step | 10mm |
| 6 - 32mm | 9 step | 10mm |
| 6 - 40mm | 16 step | 13mm |
| 4 - 32mm | 15 step | 10mm |

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