International industrial springs are the manufacturer of disc springs, belleville washers, serrated washers [rib], curved washers, wave spring washers, ball bearing washers, slotted washers, cup washers and spring washers, coil, spiral, clock, constant force springs, precision stampings and sheet metal parts for automobile industry, hot coiled springs
Dowel pins and sprial pins, ring circlips and retaining rings, spacers and shims and flapper valve reed and valve plates.
Serrated washers are disc springs with trapezoidal cross section on both sides for gripping. Lis serrated safety washers are ready to fit washers to sustain preload and avoid loosening. The advantages of the serrated safety washers are,
Used for high vibration resistance due to positive rib contact
Excellent pretensioning
Through proper radius selection, no splitting/cracking occurs during tightening
The concentric force of the washer eliminates the chances of bending the fastener
Extensive application and flexibility, minimizes stocks.