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 : Steel is often used in applications where strength is the primary consideration BulletPoint3 : Zinc plating resists corrosion and has a reflective appearance BulletPoint4 : Flat head has an 82-degree cone-shaped bearing surface for use in countersunk holes and a flat top that fits flush with the mated surface BulletPoint5 : Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening Color : zinc DriveSystem : Phillips ExteriorFinish : Zinc GradeRating : 18-8 ItemName : Steel Thread Cutting Screw, Zinc Plated, 82 Degree Flat Head, Phillips Drive, Type F, #4-40 Thread Size, 3/8" Length (Pack of 100) ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 12.7 centimeters ItemPackageDimensions_Width : 12.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Small Parts Material : Alloy Steel MeasurementSystem : Imperial MetalType : Alloy Steel ModelNumber : 0406FPF NumberOfItems : 100 PackageLevel : unit PartNumber : 0406FPF ProductSiteLaunchDate : 2014-01-01T00:00:01-08:00 Size : #4-40 SupplierDeclaredDgHzRegulation : unknown UnitCount : 100 UnspscCode : 31161500