3Pcs Metric Hex Shank Spiral Flute Titanium HSS Step Drill Bit Set

 

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 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 Flute, Three Flutes are Available)
Shank  Quick Change Hex Shank   (Three Flats Shank, Round Shank, Double R Shank are Available)
Surface Finish TiN   (Bright, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package

3Pcs with a Center Punch in Nylon Bag 

(Wooden Box, Plastic Box, Double Blister, Metal Box, Aluminum 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

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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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