Specification Brand : Generic BulletPoint1 : Hammer Head size: 10 x 6 x 3.5mm; Thread Diameter: 5mm (M5), Bolt length 12mm. BulletPoint2 : Material:Carbon Steel;Finish: Nickel Plated BulletPoint3 : Package includes:10 x T Slot Bolts BulletPoint4 : Used For: Euro Stand Aluminum Profile BulletPoint5 : 2020 Series Aluminum Profile Accessories widely used for building 3D printers, 3D carvers, CNC routers, CNC laser cutters, CNC plasma cutters, robotics projects, machine guards, workstations, etc ExteriorFinish : Nickel ExternallyAssignedProductIdentifier : 9463738675178 ExternallyAssignedProductIdentifier1 : 0720073127342 ExternallyAssignedProductIdentifier2 : 720073127342 ItemName : M5 x 12mm Metric Thread T Slot,Drop-in Stud Sliding T-Bolt,Hammer Head Bolt,T Screw Stud for 2020 Series Standard 6mm T-Slot Aluminum Extrusion Profile,Carbon Steel Nickel Plated (20-Series,10 Pcs) ItemPackageDimensions_Height : 0.1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : t-slot-bolts Manufacturer : Amazing Screws Material : Carbon Steel Nickel Plated NumberOfItems : 1 PartNumber : AP005 ProductDescription : These premium components are made of carbon steel, and nickel coated to reliably withstand strong torque, corrosion and heavy usage. These bolts feature clean, rugged threads that offer easy loosening and quick tightening action, convenient for when you re adjusting or customizing jigs/fixtures. The rounded t-shape head of the bolt ensures that you experience a smooth and nonbinding install into the T-tracks. Whether you are working from home, on location, or in an industrial setting, you re sure to find these threaded t-bolts satisfying, efficient and the perfect fit to your project. Widely used for aluminum alloy profile, rack assembly and clamping lock, used with T-nuts, good fastening effect.