The thread of UNFx8

Stainless steel threaded insert for repairing the American UN inch unified thread Dimension and pitch: according to the selected variant, pitch 8 steps per inch Length of the insert: 1.5 D (given in multiples of the nominal diameter of the thread being repaired) * The length of the insert is given in the expanded state, i.e. after insertion into the thread being repaired , i.e. if you are repairing a UNF 1/4" thread with a 1.5D insert, then the length of the insert is 1, 5 times 1/4" (=6.35mm), i.e. 9.525mm. Standard: DIN 8140 Tolerance of the internal thread of the insert: ISO 2 (6H) V-Coil thread inserts are made from high quality chrome nickel stainless steel and create strong, internal threads that are resistant to heat and corrosion. The unique design ensures superior threads whose overall performance characteristics cannot be duplicated by any other method. Material: chrome nickel austenitic unstabilized steel (food grade stainless steel), newly marked according to ČSN 10088-1 1.4301 ( X5CrNi 18-10 ), old designation AISI 304, ČSN 17240, AKV 7