tappig
This is a 3mm tapping tool.
Tread hole of bulk head covered is so tighten.
Probably I will break screw head.
If so,DNX8 easy maintenance system become a unable maintenance system.
I make a threading on four holes by tapping tool.
Then I participate in benefit easy maintenance system.
The system is great improvement for me.
Then I can repeat to open the cover unnecessary.
No need torque for tighten the screws.
If do same as,You will want to open the cover more.


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