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SUTTON 4-12mm, 4-20mm, 4-30mm HSS Spiral Step Drill Set - 3 Piece
SUTTON 4-12mm, 4-20mm, 4-30mm HSS Spiral Step Drill Set - 3 Piece
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Detail
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 HSS: Constructed from M2 high speed steel offering the best combination of strength, heat & wear resistance
- Flat Shank: Three flats suits 3-jaw chuck
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