Specification Brand : Clipsandfasteners BulletPoint1 : Vibration-Resistant Design: Unique wedge-locking action uses tension instead of friction to securely fasten joints under extreme vibration or dynamic loads BulletPoint2 : Premium Material: Crafted from durable 316L stainless steel for superior corrosion resistance and longevity BulletPoint3 : Perfect Fit: Compatible with 3/8" fasteners and grooves with a 0.406" inner diameter BulletPoint4 : Consistent Performance: Maintains a minimum Rockwell hardness of 52 HRC for reliable use in demanding applications BulletPoint5 : Easy to Use: Available in packs of 10 (5 pairs) for convenient and efficient fastening Color : Silver ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier : 3476061889552 ExternallyAssignedProductIdentifier1 : 685717367266 ExternallyAssignedProductIdentifier2 : 0685717367266 FinishType : silver GpsrSafetyAttestation : 1 IncludedComponents : 1 x Stop ItemName : 10 (5 Pair) 3/8" 316L Stainless Steel Wedge-Lock Bolt Securing Washers ItemPackageDimensions_Height : 7.0104 centimeters ItemPackageDimensions_Length : 4.191 centimeters ItemPackageDimensions_Width : 4.8006 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : wedge-lock-washers Manufacturer : Clipsandfasteners Inc Material : Stainless Steel MetalType : Stainless Steel ModelName : EDMA ModelNumber : 188955 NumberOfPieces : 10 PackageLevel : unit PartNumber : 15947218 Pattern : Lock Washer ProductDescription : The HEICO-LOCK WEDGE LOCK WASHERS made of 316L stainless steel consists of a pair of washers with a wedge-locking action, which is a unique method that uses tension instead of friction. The key is the difference in angles. Since the angle "a" is larger than the angle "B", the pair of washers expand more than the corresponding pitch of the thread. Heico-Lock washers positively lock the fastener in a joint which is subjected to extreme vibration or dynamic loads. HEICO-LOCK Vibration Proof Lock Washers Material: Stainless Steel ASTM A479/A 276 S 316L03 Alloy AISI 316L EN 1.4404 Rockwell Hardness: Min. 52 HRC Inside Diameter:.406 (10.3mm Outside Diameter: .654" (16.6mm) Nominal Size: 3/8" Nominal thickness: .102" (2.6mm) 10 (5 Pair) Per Package ProductSiteLaunchDate : 2010-08-21T12:00:00.000-08:00 Size : 5/8" Style : Wedge Pair Lock Washers SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31161500 WasherType : Lock washer WasherType1 : lock washers WasherType2 : wedge_lock