Specification Brand : Small Parts BulletPoint1 : Steel is often used in applications where strength is the primary consideration BulletPoint2 : Zinc plating resists corrosion and has a reflective appearance BulletPoint3 : 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 BulletPoint4 : Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening BulletPoint5 : Wings above the drill point enable secure fastening of thick wood to metal Color : zinc DriveSystem : Phillips ExteriorFinish : Zinc GradeRating : 18-8 ItemName : Small Parts 1444KPFMS4W Steel Self-Drilling Screw With Wings, Zinc Plated Finish, 82 Degree Flat Head, Phillips Drive, #4 Drill Point, 1/4"-20 Thread Size, 2-3/4" Length (Pack of 25) ItemPackageDimensions_Height : 12.1 centimeters ItemPackageDimensions_Length : 3.3 centimeters ItemPackageDimensions_Width : 11.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : self-drilling-screws Manufacturer : Small Parts Material : Steel MeasurementSystem : Imperial MetalType : Alloy Steel ModelNumber : 1444KPFMS4W NumberOfItems : 25 PackageLevel : unit PartNumber : 1444KPFMS4W ProductSiteLaunchDate : 2014-01-01T08:00:01.000Z Size : 1/4"-20 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 25 UnspscCode : 31161500