Developed by National Institute for Materials Science (NIMS), Ultra Steel
is high strength steel with the ultra fine grained structure.
Under close cooperation with NIMS (material development) and Osaka Seiko Co., Ltd. (wire drawing), Furiya Giken Co., Ltd. (cold forming) made it possible to introduce Ultra Steel to threaded fastening applications.
Developed by Toyota CRDL.,INC., Gum Metal® is a titanium alloy which demonstrates super-elastic and super-plastic characteristics.
TDL-3 is a low carbon steel developed by TDL, Ltd. (our R&D subsidiary) for micro screws with "high surface hardness and core toughness" and "anti delayed fracture characteristics".