The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.
Suitable for drilling holes on stainless steel, iron, copper, aluminum, wood, acrylic sheets and so much more!
Selected high-speed steel material, strong rigidness, good wear resistance, long durability, greatly increase drilling efficiency.
High efficiency in drilling all hard materials: steel, copper, wood and so much more.
1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into a quick change chuck.
Taps are designed with spiral flutes and the chip clearing process would be better.
There are a total 6 pieces of taps in different sizes from M3 to M10 that you can use for tapping various threads.
Material: High-speed Steel
Size: M3, M4, M5, M6, M8, M10
6x Titanium Twist Drill Bits