Lock Nut M3 (30-pack)

DIN 985

Material: Carbon steel / Nylon

Width across flats: max 5.50

Thickness: max 4

Hex Nut with metric thread pitch and nylon-filled collar at its back end.

When Screw reaches the collar, the thread and nylon form a tight, frictional fit, restricting movement of the screw when it is subjected to vibration.