Specification Brand : 80/20 BulletPoint1 : Measures 13.7 mm x 8.7 mm x 22 mm long with a M8 x 1.25 thread and a ball spring BulletPoint2 : 40 Series compatible BulletPoint3 : Made out of 1045 steel with a bright zinc finish BulletPoint4 : Comes with a ball spring to better position and hold within the t-slot BulletPoint5 : [5]: QUANTITY INCLUDED - M8 x 15 T-Nuts DriveSystem : Slotted ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 0701919388332 ExternallyAssignedProductIdentifier2 : 701919388332 FinishType : Black Zinc ItemName : 40-3915, 40 Series M8 x 1.25 Roll in T-Nut Ball Spring Steel (100 Pack) ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 100 ItemTypeKeyword : strut-channel-nuts Manufacturer : 80/20 Inc. Material : Steel MetalType : Alloy Steel ModelNumber : mtf220827xt1847 NumberOfItems : 96 PackageLevel : unit PartNumber : 1346-96 ProductDescription : The roll-in T-nut with ball spring is a fastening option that loads from the profile ends or side, which is helpful for applications where the ends are inaccessible. The ball spring holds the T-nut in the T-slot, even when the profile is in a vertical position, simplifying the assembly process. ProductSiteLaunchDate : 2022-05-16T16:25:37.792Z Size : 1.25 inches SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161700