Introducing the GEPE JIS Standard Class 12.9 M5 Socket Head Shoulder Screws—engineered for precision and durability. Crafted from stainless steel and SCM435, these bolts provide a robust, freely rotating pin joint connection. Available in lengths from 20mm to 120mm, with custom options, they boast 33-35HRC hardness for superior strength. Experience quality you can trust for your fastening needs. Welcome to visit our website!