Zinc Steel SEMS Screws Self Tapping With Washer  

Overview Tapping locking screws are also used for the connection between thin metal plates. The thread is common thread with arc triangular section, and the surface of the thread has high hardness. Therefore, when connecting, the screw can also be tapped out of the inner thread in the bottom hole of the thread of the connecting piece, so as to form a connection This kind of screw is characterized by low screw torque and high locking performance, better performance than ordinary tapping screw, and can replace the machine screw wallboard tapping screw used for gypsum wallboard and metal keel connection between the thread is double thread, thread surface also has a high hardness ( HRC53) can be quickly screwed into the keel to form a connection without making a prefabricated hole Product Name: Zinc Plated Steel SEMS Screws Self Tapping With Flat Washer Size: M1.6-M52 Material: SS304, SS316, SS316L, SS2205, SS660, S32750 Duplex stainless steel…