Specification Brand : Aspen Fasteners BulletPoint1 : Tooth washers are made with small sharp and twisted teeth that, when compressed, prevent loosening. BulletPoint2 : Effective as a lock washer when used with a soft substrate, such as aluminium or plastic. BulletPoint3 : In electrical applications, the teeth create a grounding surface to improve the connection. ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 0698435926677 ExternallyAssignedProductIdentifier2 : 698435926677 ItemName : (20000 pcs) 3/8", Tooth Lock Washers, Internal Tooth, Steel, Zinc Plated ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 20000 ItemTypeKeyword : tooth-lock-washers Manufacturer : Aspen Fasteners Material : Spring Steel 1074/1075 PartNumber : WA054-38-020000 ProductDescription : Tooth washers are made with small sharp and twisted teeth that, when compressed, prevent loosening. Effective as a lock washer when used with a soft substrate, such as aluminium or plastic. In electrical applications, the teeth create a grounding surface to improve the connection.DIMENSIONAL ATTRIBUTES Diameter (Nominal): 3/8" Diameter (Dimension): 0.375" Inside Diameter (Minimum): 0.384" Inside Diameter (Maximum): 0.398" Outside Diameter (Minimum): 0.67" Outside Diameter (Maximum): 0.692" Thickness (Minimum): 0.032" Thickness (Maximum): 0.04"PRODUCT ATTRIBUTES Category: Tooth Lock Washers System of Measurement: Inch Brand: Aspen Fasteners Form and Design: Internal Tooth Material: Steel Material Grade: Spring Steel Coating: Zinc Plated Coating Color: Clear Hardness Rating: Rockwell C40-C50 Origin: Origin Undefined Standards and Specifications: ASME B18.21.1 ProductSiteLaunchDate : 2024-12-01T01:43:09.476Z Size : 3/8" UnitCount : 20000 UnspscCode : 31161807