3Pcs Metric 3 Flats Shank Straight Flute HSS Step Drill Bit Kit for Sheet Tube Metal Drilling in Metal Box

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$5.00 - $20.00 / Set | 100 Set/Sets (Min. Order)
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Quick Details
Place of Origin:
Brand Name:
Model Number:
3Pcs Step Drill Bit Set
Core Drill Bit
Metal Drilling
Product Name:
3Pcs Straight Flutes HSS Step Drill Bit Kit in Metal Box
4-12mm, 10-20mm, 20-30mm
HSS or Cobalt M35
Flute Type:
Straight Flutes
Number of Flutes:
Three Flats Shank
Point Degree:
135 Degree Split Point
Fully Ground
Surface Finish:
Steel,Brass, Copper,Aluminium,Wood and Plastic Material
Supply Ability
Supply Ability:
50000 Set/Sets per Month Step Drill
Packaging & Delivery
Packaging Details
3Pcs in metal box
Shanghai, Ningbo, Guangzhou, Shenzhen
Metal Tools Guide

Product Description
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 Product Description

 More Choice For You: Home > Drill Bit  > HSS Drill Bit > HSS Step Drill Bit > 3Pcs Straight Flute

Procuct Name3Pcs 3 Flats Shank Straight Flute HSS Step Drill Bit Kit for Sheet Tube Metal Drilling in Metal Box
Size4-12mm, 10-20mm, 20-30mm
MaterialHSS   (Cobalt M35 is Available)
Flute TypeStraight 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 FinishBright   (TiN, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package3Pcs in Metal Box   (Plastic Box 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° Spilt 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. 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.