Specification Brand : Screw Man BulletPoint1 : 【Product Features】 Specifically designed for securing wood floors to truck trailers, but can also be used for many different applications such as securing to heavy sheet metal, aluminum, castings, cast iron, brass and plastic. BulletPoint2 : 【Driving Method】 DRIVE - T-30 TORX DRIVE (6-LOBE) BulletPoint3 : 【Strong load-bearing capacity】 The Floorboard Thread Cutting Screws connection can withstand greater weight and pressure, and is not easy to fall off or break, ensuring the safety of the trailer traveling. BulletPoint4 : 【Higher Quality】 Made with high-quality materials to maintain stable performance in wet, dusty or corrosive environments. BulletPoint5 : 【After-Sales】If You Have Any Questions About The Product, Or Have Any Questions After Receiving The Product, Please Be Sure To Contact Us First! We Will Try Our Best To Solve The Problem For You! Color : Black DriveSystem : Torx ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier1 : 821641527202 ExternallyAssignedProductIdentifier2 : 0821641527202 GradeRating : Premium ItemName : Screw Man 1/4-20 x 2 1/4 inch T-30 Drive Type F (30 Pcs) Flat Head Torx Self Tapping Floorboard Thread Cutting Screws Trailer Deck Screws ItemPackageDimensions_Height : 9.1948 centimeters ItemPackageDimensions_Length : 4.191 centimeters ItemPackageDimensions_Width : 6.1976 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Screw Man ManufacturerGrade : Grade 5 Material : Iron MeasurementSystem : Imperial MetalType : Iron ModelNumber : 1104FSW NumberOfItems : 1 NumberOfPieces : 30 PackageLevel : unit PartNumber : 1/4-20 x 2 1/4 ProductDescription : 【Product Features】 Specifically designed for securing wood floors to truck trailers, but can also be used for many different applications such as securing to heavy sheet metal, aluminum, castings, cast iron, brass and plastic. 【Driving Method】 DRIVE - T-30 TORX DRIVE (6-LOBE) 【Strong load-bearing capacity】 The Floorboard Thread Cutting Screws connection can withstand greater weight and pressure, and is not easy to fall off or break, ensuring the safety of the trailer traveling. 【Higher Quality】 Made with high-quality materials to maintain stable performance in wet, dusty or corrosive environments.