Specification Brand : Small Parts BulletPoint1 : Thread rolling screw recommended for use in metal BulletPoint2 : 18-8 stainless steel provides good corrosion resistance and strength BulletPoint3 : Passivated finish enhances the natural corrosion resistance of stainless steel BulletPoint4 : Pan head has a flat top and short vertical sides with a rounded top edge 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 : Silver DriveSystem : Torx ExteriorFinish : Passivated GradeRating : 18-8 ItemName : Small Parts 1408RTP188 18-8 Stainless Steel Thread Rolling Screw for Metal, Passivated Finish, Pan Head, Star Drive, 1/4"-20 Thread Size, 1/2" Length (Pack of 25) ItemPackageDimensions_Height : 12.3952 centimeters ItemPackageDimensions_Length : 1.6002 centimeters ItemPackageDimensions_Width : 11.9888 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Small Parts Material : Stainless Steel MeasurementSystem : Imperial MetalType : Stainless Steel MetalType1 : Zinc MetalType2 : Alloy Steel ModelNumber : 1408RTP188 NumberOfItems : 25 PackageLevel : unit PartNumber : 1408RTP188 ProductSiteLaunchDate : 2013-11-01T00:00:01-07:00 Size : 1/4"-20 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 25 UnspscCode : 31161500