... ,steady supply 4.Manufacturer,UT% test 1.tool steel jis skd11 material round steel bar2.Comparative standards: JIS SKD11, ASTM D2, DIN ... measuring tools, such as punching dies, cold extrusion dies, rolling wheels, molded wire plate, cold shear knives and precision measuring. 6 ... .Our supply cold work tool steel catalogue as following : 7.Quality assurance :We are the ...