... nut, nuts, pin shaft, stud bolt,screws, bolts, non-standard bolt, non-standard nut, non-standard screws, egg neck bolt, fishbolt, countersunk head ... the following 7 types:1. High strength alloy steel double end stud- , fully-threaded stud and heavy hex nut applied ... and hexagonal wood screws, etc. We can also process non-standardfasteners according to drawing.Since the establishment of Jinrui, an ...