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6-40mm straigh flute step drill bit bright polished surface
specification
6-40mm straigh flute step drill bit bright polished surface
The step 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
Type : Round shank type
Material: High speed steel 4241, 4341, 6542, and M35 are available
Size range: 6-40mm
Use: Metal Drilling
Surface treatment: Titanium coating is the standard treatment, other treatment is available
Process: Milled
Flute type: Straight flute