3Pcs Metric Straight Flute HSS Sheet Metal Tube Conical Drill Bit for Sheet Tube Drilling

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$6.00 - $25.00 / Set | 100 Set/Sets (Min. Order)
Customized packaging (Min. Order: 200 Sets)
Graphic customization (Min. Order: 200 Sets)


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$10.00 /Set | 1 Set (Min. Order) | Buy Samples
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Quick Details
Place of Origin:
Brand Name:
Model Number:
HSS Conical Drill Bit Set
Twist Drill Bit
Metal Drilling
Product Name:
3Pcs HSS Step Conical Drill Bits For Metal
3-14mm, 8-20mm, 16-30.5mm
HSS or Cobalt M35
Flute Type:
Straight Flute
Number of Flutes:
Three Flats Shank
Fully Ground
Surface Finish:
Steel,Brass, Copper,Aluminium,Wood and Plastic Material
3Pcs in One Metal Box
Supply Ability
Supply Ability:
10000 Set/Sets per Month
Packaging & Delivery
Packaging Details
3Pcs packed in one metal box, then in carton.
Shanghai, Ningbo, Guangzhou, Shenzhen
Metal Tools Guide

Product Description
 Product Photos

 Product Description

 More Choice For You: Home > Drill Bit  > HSS Drill Bit > HSS Step Drill Bit > Conical and Tube Drill Bit

Procuct Name3Pcs Three Flats Shank Single Groove HSS Conical Drill Bits for Tube and Sheet Drilling in Metal Case
Size3-14mm, 8-20mm, 16-30.5mm
MaterialHSS   (Cobalt M35 is Available)
Flute TypeStraight Flute   (Spiral Flute is Available)
Flute NumberSingle Flute   (Two Flutes, Three Flutes are Available)
Shank Three Flats Shank   (Quick Change Hex Shank, Round ShankDouble 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. A variety of hole diameters can be drilled using only one tool. 

3. Single Cutting Edge:creates perfectly round holes in metal, plastic, wood and other thin materials without center punching.

4. High speed steel provides good life and high precision.

5. Three Flats Shank: fits into power tools chuck securely and eliminates slip.

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.