Specification AgeRangeDescription : adult Brand : 80/20 BulletPoint1 : This 80/20 T nut measures 7.7 mm x 4.5 mm x 12 mm long with a M4 thread and comes with a ball spring. For use with 20-2020, 20-2040, 20-4040 profiles and many other 20mm based aluminum extrusions. BulletPoint2 : Made out of 1045 steel with a bright zinc finish. The ball spring allows you to hang this t slot aluminum extrusion accessory in a vertical position. BulletPoint3 : This t-nut works with M4 bolts (not included) to attach joining plates, corner brackets, hinges, and other t track accessories to 80/20 aluminum extrusion. BulletPoint4 : This high quality and sturdy M4 nut will make a great addition to your fasteners hardware toolbox. Perfect for any home improvement enthusiast or general DIY'er. BulletPoint5 : This t-nut can be used in a wide variety of applications including 3d printers, cnc machine, building industrial aluminum frame structures, CNC laser cutters, Robotics Projects and more. BulletPoint6 : Quantity: 1 Set (2 Pc Per Order) Color : Black DriveSystem : Slotted ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 9580068281722 ExternallyAssignedProductIdentifier1 : 0712713409079 ExternallyAssignedProductIdentifier2 : 712713409079 FinishType : Black Oxide GradeRating : industrial ItemDisplayWeight : 0.31 pounds ItemName : 8020, 13083, 20 Series M4 x 0.7 Steel Self Aligning Roll in T-Nut with Ball Spring - T Slot Accessories for 80/20 Aluminum Extrusion - Hardware Nuts (15 Pack) ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 15 ItemTypeKeyword : t-slot-nuts Manufacturer : 80/20 Inc. Material : Steel Material1 : Aluminum Material2 : Steel MeasurementSystem : Metric MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Alloy Steel MetalType1 : Aluminum MetalType2 : Alloy Steel ModelName : WCC00816 ModelNumber : modle NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 10 PackageLevel : unit PartNumber : 13083-15 ProductDescription : The self-aligning roll-in T-nut with ball spring is a fastening option that loads either from the profile ends or side, which is helpful for applications where the ends are inaccessible. The projection on the T-nut aligns it in the T-slot while the ball spring holds the fastener in place, even when the profile is in a vertical position. ProductSiteLaunchDate : 2020-01-15T16:32:08.007Z Size : Other SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 31161700