pull stud retention knob

Product Features 1. Each pull stud is tested thoroughly which ensures the quality of the pull stud 2. High quality low carbon alloy steel 20CrMnTi with heat treatment HRC53-60 3. Processing thread after carburizing and quenching makes thread accurate. 4. Large selection for specific machine models, custom design accepted. We started to manufacture pull studs from 2008. Our supply ability is 100,000 pieces per month and we have 400,000 pieces in stock. Above half of our products are exported to foreign countries. We cooperate with several famous tooling companies and keeping a long term cooperation with our OEM customers.