Grade 8 Alloy Steel Lock Washers Assortment (1/4" thru 1")Hillman Item #3371
An assortment of grade 8 alloy steel lock washer variants from The Hillman Group. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. Variants included in this assortment feature a yellow dichromate finish and range from 1/4" to 1" in diameter. Full assortment contains ten (10) refills comprised of Hillman item numbers #3372 - #3381.