... assurance,steady supply 4.Manufacturer,UT% test 1.tool steel jis skd11 material round steel bar2.Comparative standards: JIS SKD11, ASTM D2, ... variety of high-precision, long-life cold work dies, cutting and measuring tools, such as punching dies, cold extrusion dies ... shear knives and precision measuring. 6.Our supply cold work tool steel catalogue as following : 7.Quality assurance :We are the ...