Stripped Restoring Damaged Thread Helicoil Repair Kit 131pc Prof

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  • $40.49
  • Regular price $71.98


Repair damaged threads,re-tap the holes and screw-in inserts for new threads
Includes 110 wire thread and size ranges M5x0.8 to M12x1.75
10 inserts and a hex key included in the complete set
High Impact Metal Case
Condition: 100% Brand New
131 pc Professional Stripped Thread Rethread Helicoil Repair Kit Metric

All-in-one professional high duty thread repair tool kit
Size ranges M5x0.8 to M12x1.75
Re-tap the holes and screw-in inserts for new threads
Portable, convenient size of the storage case
Tapping and "coiled insert" installation made easier than ever
Designed and manufactured under strict quality control
110 inserts and a hex key included in the complete set
This is a highly durable set of instruments that will serve you a lifetime!

How to use:
1- Drilling - clear the damaged threads with a standard drill. (to repair a spark plug thread no pre-drilling is necessary if using the special spark plug tap), please pay attention that for flute less taps bigger holes are required.
2- Check - check that the thread and pitch of the tap and the bolt match
3- Tapping - use the special taps for cutting the holding thread into the cleared hole (recommended to use a suitable cutting oil)
4- Install the insert - place insert on installation tool and position the adjustable ring so that the insert tang is centered in the tang slot. Wind the insert in with a light downward pressure until a half turn below the surface. Don't work against the thread direction as the tang could break
5.- Tang removal - After finishing lift the installation tool and use the tang break tool to remove the tang. For bigger sizes and spark plug taps use long nose pliers to remove the tang. Due to the narrow and exact tolerances the new thread normally is stronger than the original ones.

Package includes:
-5 Twist drill bits
-5 Break pin tools
-5 Installation tools
-1 Hex key
-5 Taps
-110 Wire thread inserts:
M5 x 0.8 x 6.7mm
M6 x 1.0 x 8.0mm
M8 x 1.25 x 10.8mm
M10 x 1.5 x 13.5mm
M12 x 1.75 x 16.3mm
-1x Storage Case -1x Instruction

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