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 : Hex washer head has a serrated flange for additional grip on the mating surface that resists loosening BulletPoint5 : Slotted drive has a linear slot for use with a flat-blade driver Color : zinc DriveSystem : Slotted ExteriorFinish : Zinc ItemName : Small Parts 3110FSWS Steel Thread Cutting Screw, Zinc Plated Finish, Serrated Hex Washer Head, Slotted Drive, Type F, 5/16"-18 Thread Size, 5/8" Length (Pack of 10) ItemPackageDimensions_Height : 11.684 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 10.668 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Small Parts Material : Steel MeasurementSystem : Imperial MetalType : Alloy Steel ModelNumber : 3110FSWS NumberOfItems : 10 PartNumber : 3110FSWS ProductSiteLaunchDate : 2014-01-01T08:00:01.000Z Size : 5/16"-18 UnitCount : 10 UnspscCode : 31161500