Center Lock Nuts, Zinc

GRADE A, REVERSIBLE HEX LOCKNUT, ZINC CR+3 (INCH)

A distorted thread lock nut is a type of lock nut that uses a deformed section of thread to keep the nut from loosening from vibrations or rotation of the clamped item. Center lock nuts are distorted in the middle of the nut. This allows the nut to be started from either side.