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
SS-8-HLN-4.00 Hex Long Nipple 1/2" NPT Male - 4" Long
Curved Handle Stainless Steel Scratch Brush, 3 Rows x 19 Columns
Dewalt Cordless Drill Driver DCD 10.8V Li-ion Keyless, 2Ah, UK Plug
DISC, CUTTING, LONGLIFE, 115 X 2.5 X 22.23mm, 300000 35145, WURTH ZEBRA
Non Sparking Safety Beryllium Copper Ratchet Wrench 




