11pcs Thread Repair Kit, 1.5D Length Stainless Steel Twist Tap Wrench Threaded Insertion Tool, Metric-Imp Units Conversion Helicoil Repair Kit

1. Made of high quality stainless steel, durable and long service life.
2. The threaded insert can be placed in the screw hole of the workpiece, for example aluminum alloy, to form a high strength standard female thread and high precision.
3. Suitable for high voltage switchgear, microwave communications, automobile parts, air separation equipment, etc.
4. Complete accessories, easy and quick to use.
5. Conversion from metric to imperial units with the threaded insert, practical and quick.

Instructions
First use a suitable size drill bit to drill the hole.
Then use a threaded insert tap (special). The tapping depth should be greater than the installation length of the threaded insert. Third, insert the threaded insert into the installation wrench, end down, then turn the wrench handle to screw the insert into the threaded hole.
Fourth, use a punch to align the mounting handle (end) and knock the tool with a hammer to remove the end.
Fifth, if there is a problem installing the threaded insert (jumping teeth, for example), use the threaded insert removal tool.
Contents:
1 twist drill bit
1 tap
1 wrench
1 breaker
1 hex wrench
6 threaded inserts
Note: Please note that the new and old model of this product will be sent randomly. Please make sure you don't mind before to order.