Metal Application

HSS Step Drill Bit

Material: HSS
Process: Fully Ground
Application: metal drilling
Type: Twist Drill Bit
Product description: Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.
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Description:

Size: 4-12mm/4-20mm/4-32mm/4-40mm/6-50mm ( more sizes avaliable)

Material: HSS4241/4341/6542/M35(Cobalt 5%) /M42(Cobalt 8%)

Shank: Hex Shank/triangle shanke/1/4" Quick Change Hex Shank,Round Shank

Shank Dia: 6mm/6.35mm/8mm/10mm

Flute: Two Flutes ,Single Flute, Three Flutes are available, Straight Flute and Spiral Flute can be choosed.

Surface treatment:TiN, Bright, Black & Amber, Co-coated, Black Oxide, TiAIN, Black & Bright

Application:drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm,135° Spilt Point Tip: increases cutting speed with self-centering and the drills do not run off center.

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