3Pcs Inch 3 Flats Shank Straight Flute Golden Black Color HSS Step Drill Bit Set for Metal Sheet Multiple Hole Drilling

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$5.00 - $20.00 / Set | 100 Set/Sets (Min. Order)
Customized logo (Min. Order: 200 Sets)
Customized packaging (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:
3Pcs HSS Step Drill Bit
Twist Drill Bit
Metal Drilling
Product name:
3Pcs Cobalt Titanium Step Drill Bits Set
3/16-1/2", 3/16-7/8", 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:
Black and Amber
Steel,Brass, Copper,Aluminium,Wood and Plastic Material
Supply Ability
Supply Ability:
50000 Set/Sets per Month Step Drill Set
Packaging & Delivery
Packaging Details
3Pcs packed in one aluminum case, 20sets/carton.
Metal Tools Guide

Product Description
 Product Photos

 Product Description

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

Procuct Name

3Pcs 3 Flats Shank Straight Flute Golden & Black Color HSS Step Drill Bit Set

for Metal Sheet Multiple Hole Drilling

Sizes3/16-1/2", 3/16-7/8", 1/4-3/4"   (Metric Size is Available)
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 FinishBlack & Amber   (TiN, Bright, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package3Pcs in Aluminum Case   (Nylon Bag 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: 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.