Inch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling

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$2.50 - $5.90 / Piece | 100 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
China
Brand Name:
TONGYU
Model Number:
Electrician's Step Drill Bit
Type:
Center Drill Bit
Use:
Metal Drilling
Product Name:
Electrician's Step Drill Bit
Material:
HSS and HSS Cobalt
Size:
8.5-40.5mm
Flute:
Straight Flute
Flute Number:
Three Flutes
Shank:
Round Shank
Process:
Fully Ground
Point Angle:
135 Degree Split Point
Surface Finish:
Bright
Application:
Metal sheet Tube Drilling
Supply Ability
Supply Ability:
100000 Piece/Pieces per Month Electrician's Step Drill Bit
Packaging & Delivery
Packaging Details
1PC individually packed in plastic tube, then in carton.
Port
Shanghai, Ningbo
Metal Tools Guide

Product Description
 Product Photos

 Product Description

 More Choice For You: Home Drill Bit  > HSS Drill Bit HSS Step Drill Bit > HSS Step Drill Bit

Procuct NameInch Size Three Flats Shank Straight Flute Hole Electrician Use HSS Step Drill Bit for Electrical Drilling
Size1/4"-1-1/8"   ( 1/4", 3/8", 1/2", 7/8", 1-1/8")
MaterialHSS   (Cobalt M35 is Available)
Flute TypeStraight Flute   (Spiral Flute is Available)
Flute NumberThree Flutes   (Two Flutes, Single Flute are Available)
Shank Three Flats Shank   (Quick Change Hex Shank, Round ShankDouble R Shank are Available)
Surface FinishBlack & Bright   (TiN, Black & Amber, BrightCo-coated, Black Oxide, TiAIN are Available)
PackageOne Piece in Double Blister or Plastic Tube
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: 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. 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.