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
This drill bit set includes 3 sizes(4-12mm, 4-20mm, 4-32mm), which meet your different needs perfectly
Specifications:
Finish: Titanium
Type: Step Drill
Head Type: Hexagon Shank
Material: High-speed steel 4241
Surface Treatment: Titanium coated
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
After sale service within 15 days