STONEGO 5PCS/7PCS Bearing Steel Cone Tapping Drill Set - Manual Screw Point with Straight Groove; Includes M3/M4/M5/M6/M8/M10/M12 for Precision Thread Cutting in Metal

Features:
- These taps are made from high quality bearing steel for high hardness.
- There are 7 different tap sizes from M3 to M12 for tapping various threads.
- They are used to cut new threads or repair damaged threads, you will have a smooth tapping experience with them.
- These taps are used with a tap wrench to do the tapping, wrench is not included.
- Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials.
Specifications:
Brand: STONEGO
Material: Bearing steel
Standard: Metric
Size: M3, M4, M5, M6, M8, M10, M12
Quantity: 5PCS/7PCS
Instruction:
1. Insert cone part first and make sure the tap center line agrees with drilling center line.
2. Rotate tap wrench with a even force to feed tap, don't need to add force after feed.
3. Reverse rotate about 45 ° each time rotate tap to cut chip in order to avoid blocking.
4. If it is difficult to rotate tap, stop adding force or tap will be broken.
Package Includes:
5PCS Tap Drill Bits(M3-M8)
OR
7PCS Tap Drill Bits(M3-M12)