Specification Brand : 80/20 BulletPoint1 : This 80/20 T nut measures 7.7 mm x 4.5 mm x 12 mm long with a M5 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. Color : Silver DriveSystem : Slotted ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 7641820218485 GradeRating : commercial ItemName : 8020, 13084, 20 Series M5 x 0.8 Steel Self Aligning Roll in T-Nut with Ball Spring - T Slot Accessories for 80/20 Aluminum Extrusion - Hardware Nuts (1500 Pack) ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1500 ItemTypeKeyword : t-slot-nuts Manufacturer : 80/20 Inc. Material : Steel MeasurementSystem : Metric MetalType : Alloy Steel ModelNumber : YDuupxereg1znc6sp-01 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : 13083-10 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 : 2022-05-16T16:25:41.804Z Size : Small UnspscCode : 31161700