DAYUAN 131pcs Helicoil Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10 M12

This 131 piece thread repair kit is the ideal solution for damaged or worn taps. Suitable for threads of sizes M5, M6, M8, M10 and M12, this kit ensures stronger internal threads in soft metals and protects threads from wear and damage. The set includes: threaded inserts, wire thread inserts, twist drill bits, taps, and thread breakers. All tools are neatly packed in a steel case, making them quick and easy to access. Sizes of threaded inserts (coarse thread): M5 x 0.8 x 6.7 mm, M6 x 1.0 x 8.0 mm, M8 x 1.25 x 10.8 mm, M10 x 1.5 x 13.5 mm, M12 x 1.75 x 16.3 mm