Dormer E651 UNC Spiral Flute Tap & Drill Set

The 1/4 UNC spiral flute tap and drill set is perfect for smaller-diameter threading applications commonly encountered in light fabrication, instrumentation work and general engineering. Producing a 5.1mm thread diameter with 17mm threading length, this compact combination tool handles quarter-inch UNC threads efficiently in a single operation, making it an essential addition to any toolkit for both trade professionals and home workshop enthusiasts. The steam-tempered high-speed steel construction provides excellent wear resistance whilst maintaining sharp cutting edges. Th