A complete set of our patented AN/MS fitting repair tools sizes -4 through -12 with a protective case. Our Master Kit includes lapping tools for 37 degree seal faces and a 5S shadowboard for FME/FOD compliance. This tool set is a must-have for quick turnaround times when fixing leaking fittings on commercial aircraft.
Knechtion Tooling & Repair is the exclusive manufacturer of captured-nut thread chasers for AN, MS, and AS fittings. All tools are exclusively made in the USA to extreme precision and backed by personal customer service.
What's included: 4AN, 5AN, 6AN, 8AN, 10AN, 12AN fitting tap and die kits (US Patent #8,931,980) with male/female lapping tools to match. Industrial protective case with shadowboard foam.