Name: Step drill bit
Finish: Titanium
Type: Step Drill Head
Type: Hexagon Shank
Material: High-speed steel 4241 Surface
Treatment: Titanium coated
Usage :for punch holes through sheet metal, steel plate, aluminum plate, brass or wood
Length:
5 Step Bit: 4-12mm Length: Approx. 6.7cm/ 2.64"
9 Step Bit: 4-20mm Length: Approx. 7.4cm/ 2.91"
15 Step Bit: 4-32mm Length: Approx. 10.2cm/ 4.02"
The 3 Bits Sizes:
15 Step Bit: 4-32mm (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)
9 Step Bit: 4-20mm (4,6,8,10,12,14,16,18,20mm)
5 Step Bit: 4-12mm (4,6,8,10,12mm)
Package include:
1x step drill bit or
3x step drill bit
Note:
1.High-speed steel, high quality with good durability for you to use
Professional drill for deburring, chamfering, elliptic hole enlargement Suitable;
2.This drill bit set includes 3 sizes(4-12mm, 4-20mm, 4-32mm), which meet your different needs perfectly.