Product description
Titanium coated to reduce friction and heat.
High-speed steel step drill, nice quality and durable.
These drill bits works great in making a smooth, clean and perfectly round hole.
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.
Material: High-speed steel 4241
Surface Treatment: Titanium coated
Shank Diameter: 6.35mm (hexagon shank)
Item Weight: Approx. 83g / 2.93oz
Package Weight: Approx. 84g / 2.96oz
3 * Step Drill Bit( 4-12 4-20 4-32)