Metric Flanged Hexagonal Bolt Extra Fine & Full Thread Yellow Zinc M12 * 1.25 * 40mm Grade 10.9 For Sale

Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. Dimensions meet ISO (formerly DIN) specifications. Length is measured from under the head.

Yellow Zinc-plated steel screws resist corrosion in wet environments. Match the thread spacing of mating components. Fine and extra-fine threads are closely spaced to prevent loosening from vibration: the finer the thread, the better the resistance.