4-30mm 14-Step HSS Step Drill Spiral Flute D504
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For use in sheet metal, aluminium, plastic & fibre glass, ideal for sheet metal without pre-drilling. During drilling, the next step deburrs the previously drilled hole.
- Fixed Drilling Steps - Spiral Flute for reduced vibration and greater control through steps
- Made from M2 High Speed Steel - Offers the best combination of strength, heat & wear resistance
- Three Flats Shank - Suits 3-jaw chucks
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KEY
OptimalEffective
Material: HSS
Finish: Brt
Shank Form: Flat
