Size:12-28 Thread length: 4/5 Drilling length: 4/9 Total length:2 5/9
Composite taps are great for both drilling and tapping at the same time. Drilling, tapping and deburring can be done in one go saving a lot of time and trouble for machining and increasing the speed and efficiency of any job.
Composite taps are made from high quality HSS material for Longer service life, steel construction ensures sharpness, fast execution with excellent performance and minimal wear.
Can be used with electric drills, bench drills, drill presses, tapping machines (If you choose electric drills, please drill the holes vertically and do not swing from side to side. The drilling feed speed should not be too fast)
When you use it, make sure it is perfectly straight, take your time, take your time, use a lubricant to prevent breaking the drill bit in the hole. The use of a cutting coil is recommended. Clean metal shavings from the tap to prolong its life. After finishing tapping the tap, withdraw the drill bit in an opposite direction.