First, excellent anti-vibration performance: when the thread is tightened, the crest thread of the lock nut screw Second, the wear resistance and shear resistance are strong: the 30° slope of the nut thread bottom can make the Lock nut pack Third, the repeated use performance is good: a lot of use shows that the locking force of the

GB /T 889.2 - 2016 Prevailing Torque Type Hexagon Nuts(With Non-Metallic Insert), Style 1-Fine Pitch Thread

nut and bolt supply , Datian is willing to offer you high quality products.