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Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling
Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling


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Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling

 Product Description
Procuct Name Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling
Size 1/4"-1-1/8"   ( 1/4", 3/8", 1/2", 7/8", 1-1/8")
Material HSS   (Cobalt M35 is Available)
Flute Type Straight Flute   (Spiral Flute is Available)
Flute Number Three Flutes   (Two FlutesSingle Flute are Available)
Shank  Three Flats Shank   (Quick Change Hex ShankRound ShankDouble R Shank are Available)
Surface Finish Black & Bright   (TiNBlack & AmberBrightCo-coatedBlack OxideTiAIN 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. 

 Product Sizes

Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling

 

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

highly experienced industry professionals
- all at your disposal