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

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$6.00 - $20.00 / Set | 500 Set/Sets (Min. Order)
Customized logo (Min. Order: 200 Sets)
Customized packaging (Min. Order: 200 Sets)


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$20.00 /Set | 1 Set (Min. Order) | Buy Samples
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Quick Details
Place of Origin:
Brand Name:
Model Number:
3Pcs HSS Step Drill Bit Set
Twist Drill Bit
Metal Drilling
Product name:
3Pcs HSS Step Drill Bit with Center Punch
1/8-1/2", 3/16-1/2", 1/4-3/4"
HSS or Cobalt M35
Flute Type:
Straight Flutes
Number of Flutes:
Three Flats Shank
Point Degree:
135 Degree Split Point
Fully Ground
Surface Finish:
Titanium Coating
Steel,Brass, Copper,Aluminium,Wood and Plastic Material
Supply Ability
Supply Ability:
100000 Set/Sets per Month step drill bit set
Packaging & Delivery
Packaging Details
Packed in nylon bag, plastic box, aluminum case or as you required
Metal Tools Guide

Product Description
 Product Photos

 Product Description

 More Choice For YouHome Drill Bit  > HSS Drill Bit > HSS Step Drill Bit > 3Pcs Straight Flute

Procuct Name3Pcs Three Flats Shank Straight Flute Titanium HSS Step Drill Bit Set with Automatic Center Punch for Metal and Wood Drilling

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

1Pcs Automatic Center Punch

MaterialHSS   (Cobalt M35 is Available)
Flute Type

Straight Flute   (Spiral Flute is Available)

Flute NumberTwo Flutes   (Single Flute, Three Flutes are Available)
Shank Three Flats Shank   (Quick Change Hex ShankRound Shank, Double R Shank are Available)
Surface FinishTiN   (Bright, Black & Amber, Co-coatedBlack Oxide, Black & Bright, TiAIN are Available)
Package3Pcs with a Center Punch in Nylon Bag   (Aluminum Case is Available)

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


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


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Company Introduction:

DANYANG TONGYU TOOLS is one of Professional Tools Suppliers with 18 Years Experience.

We Specialize in all kinds of Drill Bit and Hole Saw and Saw Blade.