Time-Sert 1812CORE-BS Metric GM Rocker Arm Thread Repair Kit, M8x1.25
The Time-Sert 1812CORE-BS M8 x 1.25 Metric GM Rocker Arm Thread Repair Kit is for second time thread repair. Use the Time-Sert 1812CORE-BS thread repair kit when an initial thread repair has failed.
The mechanic doing the repair will have to set the counterbore depth manually by hand. The five included Big-Sert 58121 inserts with a metric length of 11.7mm are held in place by the installation driver cold rolling the bottom of the insert, locking the insert in place.
If you are doing a first time thread repair you will need to purchase the Time-Sert 1812CORE thread repair kit.
Time-Sert 1812 CORE BS Thread Repair Kit Contains:
- Step Core Drill W/ Collar
- Tap
- Insert Driver
- Tap Guide
- Metal Ruler
- (5) Inserts With 11.7mm Metric Length, No Flange – Part # 58121
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