Propshaft Bolt M12x40x1.25×10.9 MF

Propshaft bolts and nuts are specialized, high-strength fasteners (typically Grade 10.9) designed to securely connect a vehicle’s propeller shaft (driveshaft) to the differential and transmission flanges. They are engineered to handle high torque, rotational stress, and vibrations, ensuring reliable, long-lasting power transmission in automotive and machinery applications.