Automotive Stud, Hillman, M8-1.25 x 31mm, Class 5.8

Automotive studs are a headless bolt that is threaded at both ends with the center portion remaining unthreaded. They are used to insert one end into the head or block and then insert a nut or washer on the other end for applications such as bolting the exhaust manifold to the head.

• For automotive and industrial use
• Unthreaded area of the shank helps you slide materials together for a snug fit
• Resistance to corrosion