YSM bolts,nuts and washer are available in a wide range of inch and metric sizes with different surface treatment,depending on your application.YSM bolts are according to DIN,ANSI,BS,JIS,and AS standards.YSM bolts meet or exceed strength specifications and are made from fine high-grade alloy steel fro greater toughness and fracture resistance.Jpt fprged fpr greater stremgtj amd heat treated to a minimum tensile strength of 150000S,with a core hardness of Rockwell HRC23-42 to provide superior wear resistance.

Track bolts &nuts

Grade from 8.8 to 12.9; Cold heading/hot forging;The surface is treated with building,screw thread has two type description;one is the metric system;M12-M30,another is denominator system;1/2-1 1/4