6-40mm straigh flute step drill bit bright polished surface

Feature highlights：

The step drill bit is made from high speed steel

For drilling cylindrical holes

Burr-free drilling

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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

6-40mm straigh flute step drill bit

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