Dormer E651 UNC Spiral Flute Tap & Drill Set

The 7/16 UNC spiral flute tap and drill set delivers reliable threading for applications requiring this intermediate-to-large diameter. Producing a 9.4mm thread diameter with 25mm threading length, this combination tool is well-suited for automotive components, machinery fabrication and structural metalwork where seven-sixteenth inch UNC threads are needed. The integrated design eliminates the traditional workflow of drilling, tool changing, and then tapping separately. Crafted from high-speed steel with a steam-tempered coating, this tool provides dependable cutting perfor