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3Pcs Inch Three Flats Shank Titanium HSS Step Drill Bit Set with Automatic Punch for Metal and Wood Drilling
3Pcs Inch Three Flats Shank Titanium HSS Step Drill Bit Set with Automatic Punch for Metal and Wood Drilling


 Product Photos

3Pcs Inch Three Flats Shank Titanium HSS Step Drill Bit Set with Automatic  Punch for Metal and Wood Drilling

 Product Description
Procuct Name 3Pcs Three Flats Shank Straight Flute Titanium HSS Step Drill Bit Set with Automatic Center Punch for Metal and Wood Drilling
Size

3Pcs Step Drill Bit: 1/8-1/2", 3/16-1/2", 1/4-3/4"   (Metric Size is Available)

1Pcs Automatic Center Punch

Material HSS   (Cobalt M35 is Available)
Flute Type

Straight Flute   (Spiral Flute is Available)

Flute Number Two Flutes   (Single FluteThree Flutes are Available)
Shank  Three Flats Shank   (Quick Change Hex Shank,  Round ShankDouble R Shank are Available)
Surface Finish TiN   (BrightBlack & AmberCo-coated,  Black OxideBlack & BrightTiAIN are Available)
Package 3Pcs with a Center Punch in Nylon Bag   (Aluminum Case is Available)
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 and Center Punch: 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. Titanium coating provides up to 2 times the life over high speed steel.

7. Only for rotary use. 

 Product Sizes

3Pcs Inch Three Flats Shank Titanium HSS Step Drill Bit Set with Automatic  Punch for Metal and Wood Drilling

  

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

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