Metric Size Round Shank Spiral Flute HSS Step Drill

 

Product description:1. 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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 Product Description
Procuct Name Round Shank Spiral Flute HSS Step Drill for Metal Sheet Tube Drilling
Size 6-20mm   (6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
Material HSS   (Cobalt M35 is Available)
Flute Type Spiral Flute   (Straight Flute is Available)
Flute Number Two Flutes   (Single Flute, Three Flutes are Available)
Shank  Round Shank   (Three Flats Shank, Quick Change Hex Shank, Double R Shank are Available)
Surface Finish Bright   (TiN, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package One Piece in Double Blister or Plastic Tube
Features

1. 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.

2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center.

3. A variety of hole diameters can be drilled using only one tool. 

4. The dimension of drilled hole is exact. 

5. Two Flute Design: provides longer life and better chip removal.

6. The Spiral Groove: creates better, less noise, less force has to be used.

7. Only for rotary use. 

We Can Produce All Sizes of Step Drill Bits as Your Requirement ,Please Contact Us If You Need

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CONTACT US


Contact: David Yu

Phone: +86-139-52828006

Tel: +86-139-52828006

Add: Houxiang, Danbei Town, Danyang City, Jiangsu, China, 212300

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