ORIGINTECH

ORIGINTECH 131PCS Metric Thread Repair Tool Kit, HSS Drill Helicoil Repair Kit, Threaded Inserts Installation Tool and Tang Break-Off Tool Set for Repairing M5 M6 M8 M10 M12 Internal Screw Holes This 131-piece thread repair tool kit includes bits, taps, and inserts in the 5 most needed Metric sizes: M5, M6, M8, M10, and M12. Twist drill bit sizes 5.2, 6.3, 8.3, 10.5, 12.5mm; Screw tap and thread inserts come in sizes M5x0.8×6.7mm, M6x1.0x8.0mm, M8x1.25×10.8mm, M10x1.5×13.5mm, and M12x1.75×16.3mm. The installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are heated-treated 45# steel...