內六角肩式安全螺栓

產品名稱： 內六角肩式安全螺栓

材質：不銹鋼

等級：A2-70

說明： 內六角肩式安全螺栓, some specifications are sold in stock, including hexagon socket, socket 5 corner, cross groove, etc., need to use mold production, cold heading processing technology, beautiful appearance, can be customized according to customer requirements.