High Speed insert machine Automatically Washer and Nut Assembly Machine

pics of washer assembly machine :

pics of final products

Brief introduction of screws :

(1). Pull the coarse line to the line patch needed. (Wire drawing machine)

(2). Adjust, produce, and form the head of screw on the heading machine. (Screw heading machine)

(3).Grind tooth on the coil thread rolling machine, and form the screw completely (Thread rolling machine)

(4). Treat the semi-finished screw in the heat treatment according to the standard (Heat treatment furnace)

(5). According to the requirements, process plating etc. (Zinc plating machine)

(6).  Packing and out of factory