4-12 4-20 4-32 HSS Titanium Coated Step Drill Bit Drilling Power Tools

4-32 Hexagon
3-12 4-12 4-20 bag
3-12 4-12 4-20
4-22 Hexagon
4-20 Hexagon
4-12 Hexagon
3-12 Hexagon
3-13 Hexagon
4-12 4-20 4-32
4-32 triangle
4-20 triangle
4-12 triangle
4-12 4-20 4-32-1
4-12 4-20 4-32 bag
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4-12 4-20 4-32 HSS Titanium Coated Step Drill Bit Drilling Power Tools

DIY Supplies: Woodworking

Type: Core Drill Bit

Origin: Mainland China

length: 4-12 4-20 4-32

Model Number: XMSJ

Material: High Speed Steel

Use: Metal Drilling

is_customized: Yes

Certification: NONE

Suitable material:Workpieces with general hardness, such as wood, plastic, PVC plate, iron plate, plate thickness within 3MM. Please note that stainless steel and spring steel are not applicable. Not for quenching.


1.Please allowed 1-3mm differences due to manual measurement, thank you for your understanding!

2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item

High-speed steel, high quality with good durability for you to use

Professional drill for deburring, chamfering, elliptic hole enlargement

Suitable for punch holes through sheet metal, steel plate, aluminum plate, brass or wood

Features:The main advantages of the spiral groove step drill compared to the ordinary straight groove step drill are its strong chip removal ability, better guidance, and smoother cutting.

Material: High-speed steel 4241 (suitable for workpieces with a hardness below 25°, such as wooden boards, thin iron plates, etc.)


Finish: Titanium

Type: Step Drill

Head Type:Hexagon Shank

Material:High-speed steel 4241

Surface Treatment: Titanium coated

Package include:

1x step drill bit