Specification Brand : 80/20 BulletPoint1 : Measures 13.7 mm x 8.7 mm x 22 mm long with a M5 x 0.8 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 DriveSystem : Slotted ExteriorFinish : Zinc ItemName : 40-3913, 40 Series M5 x 0.8 Roll in T-Nut Ball Spring Steel (1500 Pack) ItemPackageDimensions_Height : 15 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 1500 ItemTypeKeyword : strut-channel-nuts Manufacturer : 80/20 Inc. Material : Steel MetalType : Alloy Steel PackageLevel : unit 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 : 2022-05-16T16:25:40.903Z Size : Small UnspscCode : 31161700