Prime-Line 9119507 Medium Split Lock Washers, Metric, M8, Zinc Plated Steel, (25-pack)
- Round washer with a split and helical shape.
- When fully fastened, the edges at the split bite into the nut and material surface.
- Provides a spring tension force that adds additional friction.
- Helps to prevent nuts from loosening in cases where it may be subject to vibration, in some applications a flat washer is used with the split lock washer.
- Specification(s) Met: DIN 127 TYPE B, ISO 12683 TYPE 1.