This set of 8 piece nitride coated drill bits lasts six times longer than standard drill bits.
nitride coating facilitates faster penetration with less effort. The 1/4 "hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits.
coated HSS drill set with standard 1/4 "hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck
Suitable for use with aluminium ,thin iron , wood, plastic .Don't drill through walls
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.