What is a GB/T 3077 Stud Bolt?

A GB/T 3077 stud bolt is a high-strength, dual-ended threaded fastener made from alloy structural steel, adhering to the Chinese national standard GB/T 3077. These bolts are typically used in heavy-load applications across industries such as construction, bridge...

Black M12 Stud Bolt: A Practical Overview

A black M12 stud bolt is a double-ended threaded fastener widely used in construction, automotive, and industrial applications. The “M12” designation refers to the bolt’s 12mm diameter, while the term “black” usually indicates a black oxide or black...