Kyowakogyosyo Co., Ltd. engages in the manufacture and sale of bolts. It operates through the following divisions: Construction Machinery, Automobile-Related, Industrial Machinery, and Others. The Construction Machinery division manufactures hex head bolts, track shoe bolts for caterpillar crawler bulldozers, bolts for excavators and rock drills, bucket bolts, and segment bolts. The Automobile-Related division deals with automobile shaft parts and propulsion parts. The Industrial Machinery division produces cylinder bolts and connecting rod bolts. The Others division manufactures diesel engine bolts and truss bolts. The company was founded on October 1, 1950 and is headquartered in Komatsu, Japan.