Specification Brand : Small Parts BulletPoint1 : Material is case hardened 1018 steel with black oxide finish BulletPoint2 : 1/2"-13 Thread BulletPoint3 : 5/8" Table slot BulletPoint4 : 1-1/8" Base size BulletPoint5 : Measures 5/8" width by 1" height Color : Black CustomerPackageType : Standard Packaging DriveSystem : Slotted ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier : 7241870803459 FinishType : Black Oxide GradeRating : 1018 ItemName : Te-Co 41410 Black Oxide 1018 Steel T-Slot Nut, 1/2"-13 TPI (Incomplete last thread), 5/8" Height x 1" Width x 5/8" Table Slot (Pack of 5) ItemPackageDimensions_Height : 14.5034 centimeters ItemPackageDimensions_Length : 2.794 centimeters ItemPackageDimensions_Width : 14.5034 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : t-slot-nuts Manufacturer : Te-Co Material : Alloy Steel MeasurementSystem : Inch MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Alloy Steel MetalType1 : Aluminum MetalType2 : Carbon Steel ModelNumber : 41410 NumberOfItems : 5 NumberOfPieces : 5 PackageLevel : unit PartNumber : 41410 ProductDescription : Specification: Color:Silver Material: Carbon Steel Thread Type: M8 Size:21.5 x 13.3 x 7.4mm/0.85 x 0.52 x 0.29""(L x W x H) Weight:270g Feature: 1.It can be directly into the aluminum slot hole in any of the assembly point 2.Back spring ball can be fixed its position which make installation very simple and reliable 3.Profile connection is one of the most use of accessories 4.Made of Carbon Steel and lasting performance Note: Since the measurement tools are different, there will be 1-3 mm error, not to be a basis/reason for return. Package include: 30x M8 Thread T Spring Nut ProductSiteLaunchDate : 2012-10-29T00:00:01-07:00 Size : 1/2"-13 Style : A SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 5