Replaces damaged threads without special tools very easy and fast. Solid sleeves with locking pins provide superior tensile and torsion strength. Superb also for aluminum.
System of insert threads that quickly and safely replaces damaged and worn threads. Made of solid steel C1215 with a surface of zinc and phosphate and 2-4 hardening locking pins that prevent the sleeve from loosening. Very easy to install and remove with standard tools. No risk of the sleeve loosening, even with repeated tightening. Zero risk of thread damage both during assembly and disassembly. Sleeves from M6 and smaller have two locking pins, larger sleeves have four pins. Kit included 12pcs: Pro Insert M4, M5, M6, M8, M10. A drill of size: 6.8mm, 8.8mm, 10.8mm, 12.5mm. A threaded pin of size: M8, M10, M12, M14.