Product Advantages 1. Two models of pull studs are?offered here, coolant bore and without coolant; 2. Almost whole type of pull stud are?supplied:ISO7388/2, MAS 403-1975, JIS B6339, DIN69872, MAZAK MITSUI, ANSI/AMSE B5.50-1994 and so on; 3. OEM is provided: internal or external seal ring, marked?with your own logo; 4. Free samples are available; 5. We are professional manufacturer of pull stud, our product quality strictly follow up to the ISO9001-2000 system. Product Description ? ? Quality Assurance Our product will have to go through a thorough quality exam process. ? Notes for Ordering ? About Us ? Contact Us ? Una Qiu Skype:una.qiu Tel:+86-0379-63512276