Used in pairs, lock nuts are applied to a matching male thread (examples include bolts, set screws and machine screws) and are a simple means of resisting vibration by tightening up against one another.
Hexagon fits corresponding sockets and spanners.
Conforms to DIN 439.
Grade 4 Steel.
Bright Zinc Plate (BZP) finish offers resistance to corrosion.
FULL BOX QUANTITIES
