Specification Brand : Generic BulletPoint1 : Hammer Head size: 16 x 8 x 5mm; Thread Diameter: 8mm (M8), Bolt length 25mm. BulletPoint2 : Material:Carbon Steel;Finish: Nickel Plated BulletPoint3 : Package includes:20 x T Slot Bolts BulletPoint4 : Used For: Euro Stand Aluminum Profile BulletPoint5 : 3030 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 Color : Silver ExteriorFinish : Nickel ExternallyAssignedProductIdentifier1 : 0720073127830 ExternallyAssignedProductIdentifier2 : 720073127830 IncludedComponents : tube Clamp ItemDisplayDimensions_Height : 0.39 inches ItemDisplayDimensions_Length : 5.91 inches ItemDisplayDimensions_Width : 3.94 inches ItemDisplayWeight : 0.39 pounds ItemName : M8 x 25mm Metric Thread T Slot,Drop-in Stud Sliding T-Bolt,Hammer Head Bolt,T Screw Stud for 3030 Series Standard 8mm T-Slot Aluminum Extrusion Profile,Carbon Steel Nickel Plated (30-Series,20 Pcs) ItemPackageDimensions_Height : 0.1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemTypeKeyword : t-slot-bolts Manufacturer : Amazing Screws ManufacturerGrade : Grade C3 Material : Carbon Steel Nickel Plated ModelName : Hold Down Clamps ModelNumber : 8F835M2R9W26GEJ7V8L9103E PartNumber : AP054 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.