Specification Brand : Small Parts BulletPoint1 : Thread cutting screw with type F point has machine screw threads that taper down to a blunt edge and is suitable for heavy gauge sheet metal, aluminum, cast iron, brass, and plastic BulletPoint2 : 18-8 stainless steel provides good corrosion resistance and strength BulletPoint3 : Plain surface has no finish or coating BulletPoint4 : Hex washer head has a flange for additional grip with the mating surface and has six flat sides that a wrench can grip to turn from the side BulletPoint5 : Star drive has a six-pointed indentation that provides a large contact area for the driver, resisting slippage better than a Phillips or slotted drive Color : brass DriveSystem : External Hex ExteriorFinish : Plain ExternallyAssignedProductIdentifier : 7257259949724 GradeRating : 18-8 ItemName : Small Parts 3112FW188 18-8 Stainless Steel Thread Cutting Screw, Plain Finish, Hex Washer Head, Type F, 5/16"-18 Thread Size, 3/4" Length (Pack of 5) ItemPackageDimensions_Height : 12.3 centimeters ItemPackageDimensions_Length : 3.1 centimeters ItemPackageDimensions_Width : 11.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Small Parts Material : Stainless Steel MaximumShearStrength : 51.3-54 ksi (kilopounds per square inch) (estimated) MeasurementSystem : Imperial MetalType : Stainless Steel ModelNumber : 3112FW188 NumberOfItems : 5 NumberOfPieces : 5 PackageLevel : unit PartNumber : 3112FW188 ProductSiteLaunchDate : 2014-01-01T08:00:01.000Z Size : 5/16"-18 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 5 UnspscCode : 31161500