Serrated lock washer external teeth for assembly&Countersunk external toothed lock washer for assembly

Tapered lock washers for assemblies Material, grade: 100HV, 140HV, 200HV, 300HV, etc. Surface treatment: plated with ordinary blue and white zinc, ordinary color zinc, hot-dip galvanized, environmentally friendly color zinc, environmentally friendly blue and white zinc, environmentally friendly Dacromet, and so on.    

Mil. Spec. External-Tooth Lock Washers. Choose these washers for their adherence to strict military standards for material and construction. Teeth on the outside edge of the washer bite into the screw head and joint for a tight grip. Use with fasteners that have heads large enough to make contact with the teeth, such as pan, button, and binding head screws.
410 stainless steel washers have excellent wear resistance.
Zinc-plated steel washers have an outer layer of zinc that protects the inner steel from rust and extends the life of the washer.
Bronze washers are corrosion-resistant in wet environments, nonmagnetic, and electrically conductive.    

Size Can also be According to the Customer's requirement please check the detailed specification sheet details PDF， CAD, 7-8Page See more product details.    

Packing: The inner packaging consists of polyfoam, while the outer layer is a carton. The carton sizes are 29*19*19.5 cm and 23.5*17.5*8 cm, respectively. The pallet dimensions are 215*100*90 cm, or they can be customized according to your requirements.