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HSS Step drill bits spiral flute

HSS Step drill bits spiral flute
Feature highlights：

Made from high speed steel

For drilling cylindrical holes

Burr-free drilling
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specification

HSS Step drill bits spiral flute

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

HSS Step drill bits spiral flute

HSS Step drill bits spiral flute chart