3 Pcs/set Drill Bits Hex Shank HSS Titanium Coated Straight Flute Stepped Drill Bits Pagoda Drill Bit Set 4-32mm 4-20mm 4-12mm

A set of step drill that has good quality and works great in boring hole. Perfect to add them to your toolbox.
Features:
An essential hardware tool for woodworking using.
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:
Material: High-speed steel 4241
Surface Treatment: Titanium coated
Shank Diameter: 6.35mm (hexagon shank)
Item Weight: Approx. 211g / 7.44oz
Package Weight: Approx. 212g / 7.48oz
Package Size: Approx. 15 * 9 * 3cm / 5.90 * 3.54 * 1.18in
Package List:
3 * Step Drill