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3Pcs Metric Hex Shank Spiral Flute Titanium HSS Step Drill Bit Set with Automatic Punch in Nylon Bag
3Pcs Metric Hex Shank Spiral Flute Titanium HSS Step Drill Bit Set with Automatic Punch in Nylon Bag


Product Photos

3Pcs Metric Hex Shank Spiral Flute Titanium HSS Step Drill Bit Set  with Automatic Punch in Nylon Bag

 Product Description
Procuct Name 3Pcs Amazon Hot Sale Spiral Flute Titanium HSS Step Drill Bit Set 4 to 32mm with Automatic Center Punch in Nylon Bag
Size

3Pcs Step Drill Bit: 4-12mm, 4-20mm, 4-32mm   (Inch Size is Available)

1Pcs Automatic Center Punch

Material HSS   (Cobalt M35 is Available)
Flute Type

Spiral Flute   (Straight Flute is Available)

Flute Number Two Flutes   (Single FluteThree Flutes are Available)
Shank  Quick Change Hex Shank   (Three Flats ShankRound ShankDouble R Shank are Available)
Surface Finish TiN   (BrightBlack & AmberCo-coatedBlack OxideBlack & BrightTiAIN are Available)
Package

3Pcs with a Center Punch in Nylon Bag 

(Wooden BoxPlastic BoxDouble BlisterMetal BoxAluminum Case are 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. The Spiral Groove: creates better, less noise, less force has to be used.

7. Titanium coating provides up to 2 times the life over high speed steel.

8. Only for rotary use. 

 Product Sizes

3Pcs Metric Hex Shank Spiral Flute Titanium HSS Step Drill Bit Set  with Automatic Punch in Nylon Bag

 

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