DIN 603 Stainless Steel 316 L 304 316 Round Head Square Neck Carriage Bolts
The main uses of stud are:1, in the main body of large equipment, need to install the accessories, such as sight glasses, mechanical seal, deceleration machine frame, etc., this is just use the stud, end turned into the main body, the other end with nut after installed accessories, because the attac