4-12 4-20 4-32mm HSS Step Drill Bit Nitride Coated For Wood Metal Cone Hole Cutter

Product Features

This HSS step drill bit, with a nitride coating, is suitable for wood and metal drilling, offering a range of step diameters from 4-12mm, 4-20mm, and 4-32mm.
Made of HSS 4241 material, it has a hex shank with a 6mm diameter and a spiral groove, ensuring stability and efficiency during drilling.
The nitriding black surface treatment enhances the durability and corrosion resistance of this drill bit, making it last longer.
With 5, 9, or 15 steps, it can create cone holes of different sizes, meeting your various drilling needs.
It is a customizable drill bit, suitable for DIY metalworking projects and professional use.

Specifications

Brand Name

CHEERBRIGHT

DIY Supplies

Metalworking

Type

Core Drill Bit

Hign-concerned Chemical

None

length

As picture shows

Model Number

HSS Step Drill Bit

Material

HSS 4241

Use

Metal Drilling

Shank Type

Hex shank

Shank diameter

6mm

Groove Type

Spiral Groove

Surface treatment

Nitriding black

Step quantities

5 Steps/9 Steps/15 Steps

Step diameter

4-12 / 4-20 / 4-32mm

Function 1

Core Drill Bit

Function 2

Metal Drilling

semi_Choice

yes

Description

4-12 4-20 4-32mm HSS Step Drill Bit Nitride Coated For Wood Metal Cone Hole Cutter

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