Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency!
Widely application. Drilling, tapping and deburring/ countersinking in one bit, one-step processing, greatly save processing steps and time costs, improve working efficiency. 6 imperial sizes of thread tap drill bit M3 M4 M5 M6 M8 M10 1/4' included in the set to meet your diversified requirements.
All in one. Complete hole drilling, tapping, deburring and countersinking in one operation with power impact tool. Back tapered beyond tap to prevent thread damage from over-drilling.
High quality. Made from high-speed steel, these combination drill and tap bits are designed to tap up to 10-gauge wood, plastic copper, brass, aluminum, sheet metal and other soft materials. They are not suitable for drill and tap in very hard metals.
Improves work efficiency. A perfect countersink drill bit set, a perfect tap and die set, two in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.