Ningbo Yiyi Precision Technology Co., Ltd.

Cold heading bolts/cold heading nuts

Product Category

Carbon Steel Screws

Ball Head Bolts

Countersunk Head Screws

hub bolts

Water tank joint/flange external hexagonal bolt/hexagonal screw/hydraulic coupler fusible plug/high-strength non-standard hexagonal screw/external hexagonal flange bolt

Nut Cold Heading Parts

Thickened round nut/enlarged natural round nut

T-type cold heading iron plate thickened welded through hole step nut

Step semi-hollow rivets/gourd hole rivets

Stainless steel quick connector/internal thread stainless steel

Stainless steel pan head countersunk head plum socket screws

Stainless steel full thread external hexagonal screws and bolts