Specification Brand : Wulankd BulletPoint1 : DESIGHED for use in floorboard trailer deck, the star drive provides better grip and less slippage compared to other drive types. BulletPoint2 : FLOORBOARD SCREWS: The flat head allows for a flush installation, good choice to make a smooth surface. BulletPoint3 : MATERIAL: Carbon steel (RC 46 Minimum Case Hardness). BulletPoint4 : BLACK PHOSPHATE & OIL COATING: A chemically produced coating that leaves the steel surface with a matte black finish. Provides corrosion Resistance. BulletPoint5 : Package Includes 100 Screws. BulletPoint6 : 6.Highlights Refinement: Floor-specific, Torx high-efficiency drive, rust-resistant coating, countersink levelling, matching drill bit in one step. Color : zinc DriveSystem : Slotted ExteriorFinish : Alloy Steel GradeRating : 410 ItemName : Wulankd 100 Pack Type F Star Drive Machine Screws(Trailer Screws), 5/16"-18 x 2-1/2 Floorboard Thread Cutting Screws Trailer Deck Screws, Black Phosphate, T-40 Star Drive Alloy Steel ItemPackageDimensions_Height : 12.1 centimeters ItemPackageDimensions_Length : 7.9 centimeters ItemPackageDimensions_Width : 11.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Wulankd Material : Alloy Steel MaximumShearStrength : 20000 psi MeasurementSystem : Imperial MetalType : Alloy Steel ModelNumber : 5016FWS NumberOfItems : 100 NumberOfPieces : 100 PackageLevel : unit PartNumber : YT-LD-002 ProductDescription : Type F thread cutting screws - Common For Trailer Flatbed Also Called “Six Lobe” Also Called “Star Drive” Also Called “Decking Screw” - is a thread cutting screw with machine screw thread with blunt tapered point, having multi cutting edges and chip cavities. For heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. ProductSiteLaunchDate : 2024-08-05T09:46:53.331Z Size : 1/2"-13 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 100 UnspscCode : 31161500