split washers

split washers are locking washers that are used when there is a need to prevent a fastener from loosening as a result of vibration.  They are also know has split lock or split ring washers.

Spring washers have a split in the washer section that when tightened each side of the split bites into the nut and the mounting surface.  The bite prevents any anti-clockwise rotation from occurring under vibration.

M6 – Weight 0.0004

M8 – Weight 0.0013

M10 – Weight 0.0015

M12 – Weight 0.0023

Finish: Zinc