
Auveco No. 19285 Vibration Proof Lock Washer 3/8" 10mm, Quantity - 25 PR
Product InformationQuantity: 50Bolt Size: 3/8 in.Finish: Zinc FlakeMaterial: Carbon SteelOuter Diameter: 21/32 in.Used With: Grade 5, Grade 8 & ASTM 574 High Grade BoltsMade In: SwedenVibration Proof Lock WashersZinc Flake CoatedFor use with Grade 5, Grade 8 & ASTM 574 High Grade Bolts.These washers have cams or wedges on one side, a lead angle greater than a thread angle, and radial teeth or ribs on the other side. The washers are installed cam face to cam face. When tightening the fastener to preload, the teeth penetrate and seatagainst the joint material and the nut and/or fastener head. When subjected to vibration the interacting cams create a wedge action which prevents the fastener from vibrating loose.Material: Carbon SteelHardness: Through Hardened: 465HVI