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3PCS HSS spiral flut Step drill bits set
Made from high speed steel
For drilling cylindrical holes
Burr-free drilling
WD17130-3PCS HSS spiral flut Step drill bits set
the drill bits can drill cylindrical holes in solid material up to a thickness of 4mm(5/32")
Ideal tool for sheet metal workers, electrical contractor auto mechanics and general contractors
Burr-free and vibration-free drilling
contents
3pcs packed in plastic case
4-12mm with 5 steps
4-20mm with 9 steps
4-32mm with 15 steps