External Tooth Countersunk Lock Washers Are Used For Applications Including Construction, Industrial, Manufacturing, And More.
External tooth countersunk lock washers are made of steel for long lasting durability and dependability. Washers prevent loosening of flat and oval head screws for locking efficiency. Units secure bolt heads or nuts to increase bearing area for greater hardness and rotation without distortion. Hardened circular washer with twisted prongs extend from outer edge for enhanced torsional resistance. Sizes range from #10 to 1/2. Package quantities are 100 and 10,000. Finish is Zinc. Dimensions vary per model.