Spring washer--washer's surface is smooth and can reduce friction between the fasteners, preventing isolation, preventing loosening and dispersion pressure,Spring Wave Washer
3 wave washer--provides more with the same load specifications three wave washers should be used for all applications requiring tight load specifications where axial space is critical,Spring Steel Washer
Compression type washer--three wave washers are a traditional sealing elements spring washer vibrates against looseness with elastic force, good resilience and good integrity,Washer for Screw Bolt
Repair washers--washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened,Metal Spring Washer
Spring gasket--it is used to prevent loosening and buffering it needs good elasticity and impact resistance,Machine Gasket