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3pcs HSS step drill bit set |
| Execution HSS step drill bits with spiral flutes, split-point according to DIN1412-C and a 3-flat cylindrical shank. Optimized chip-flow, also of non-breaking chips, protects cuttings edges and guarantees a smooth and high-performance cutting process. Application Suitable for most common materials. Steel sheet material up to 4mm thickness.  |
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