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 undercut head has a flat top with an 82-degree cone-shaped bearing surface and is undercut for use in shallow countersunk holes 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 GpsrSafetyAttestation : 1 GradeRating : 18-8 ItemName : Small Parts 1412FPU Steel Thread Cutting Screw, Zinc Plated, 82 Degree Flat Undercut Head, Phillips Drive, Type F, 1/4"-20 Thread Size, 3/4" Length (Pack of 25) ItemPackageDimensions_Height : 9.652 centimeters ItemPackageDimensions_Length : 1.778 centimeters ItemPackageDimensions_Width : 3.81 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-forming-and-cutting-screws Manufacturer : Small Parts Material : Steel MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Alloy Steel ModelNumber : 1412FPU NumberOfItems : 25 NumberOfPieces : 10 PackageLevel : unit PartNumber : 1412FPU ProductDescription : Thumb screws are designed to be tightened and loosened by hand. Large head diameter makes it easy to access and tighten. The thumb screw has a straight knurled surface on its head. This gives it better gripping surface, making it easier to tighten or loosen the fastener manually.