#3 External Tooth Lock Washer - .109/.102" I.D. - .016/.01" Thick - Steel - Zinc - Grade 2 - 100 Pk

Nord Lock Wedge Locking Washer - Carbon Steel - Zinc Flake Coated - M12 - Pkg of 200 Nord-Lock washers secure bolted joints with tension instead of friction. It is a high quality product with documented success in many industries worldwide. Nord-Lock wedge lock washers have been rigorously tested and approved by independent institutes as well as certification authorities. Nord-Lock wedge lock washers are used in numerous industries such as: energy, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and ...

4 External Tooth Countersunk Lock Washer Zinc.

External Tooth Lock Washers secure bolt heads or nuts to increase the bearing area and offer greater hardness so that the nut or bolt can be rotated without distortion of the bearing surface. Hardware is constructed of high quality steel for long lasting durability.

Internal Tooth Lock Washers lock into bolt head or nut to prevent backoff rotation, which works best with smaller head screws, such as fillister heads. Hardware is constructed of high quality steel for long lasting durability.

Combination Internal/External Tooth lock washers provide dual benefits. The internal teeth lock into bolt heads or nuts to prevent backoff rotation, which works best with smaller head screws, such as fillister heads. The external teeth secure bolt heads or nuts to increase the bearing area and offer greater hardness so that the nut or bolt can be rotated without distortion of the bearing surface.