Double threaded screw plug gauge combination: products include 1/4-20UNC,1/2-20UNF,No8-32UNC,7/16-20UNF,No6-32UNC,3/8-24UNF,No4-40UNC,5/16-24UNF,No10-32UNF,1/4-28UNF;
Technical parameters: Double -end GO and NO GO,Taper lock design,Class 2B,total 10 PC;
Electroplating process: the screw plug gauge is made of high quality material, the surface is processed,so the handwriting is clear, and it is not easy to wear;
Features: high hardness, good stability. High precision, wide range of use, long service life;
Applications: The tool can be used to meet different needs,which is mainly used in the automotive industry, manufacturing, construction and other industries.