Application: alloys, cast iron and other light materials
Thread Repair Kits contain a quality HSS tap, Installation tool, precision stainless steel inserts (standard length is 1.5 x diameter) and instructions, in a sturdy reusable container. Clcoil has a full range of problem solving repair kits, available in single or multiple size format. The Single set is from M5 to M*4 (Metric Size ) ;1/**1/2 (UNC;UNF); Fitness Kit is
include 5sizes (M5;M6,M8;M*0;M*2 )
Commonly used in automotive machine shops for spark plug and general thread repairs.