Tap Wrench operate main point:
1. The good pit hole must chamfering chamfer first
2. To use drill clamp supporting tap
3. Tap to vertical alignment operation
4. Cut into rotation level 2-3 times
5. confirm vertical after Cut
6. Tapping 3/4 turn after a quarterback feeling
7. level reversal pull out after working
8. Remember that cutting metal need to use with the oil
1/2" Drive x 18" Breaker Bar - Tekton SBH00218
Key, Hex, Set Set of 33 - RS Pro 541-7324
T-Handle Hex Key Wrench Set, Metric - Set of 10 



