Spiral Point Tap: #4-40 UNC, 2 Flutes, Plug Chamfer, 3B Class of Fit, High-Speed Steel-E, Black Oxide Coated MPN:5387705

The Spiral Point Tap 4-40UNJC PLUG HSS BLACK OXIDE offers an effective solution for creating threads into difficult materials and blind hole applications due to its specialized design. This spiral point tap's high speed steel construction ensures durability while maintaining its edge, ensuring precise and accurate thread cutting. Its UNJC coating provides resistance against rust and corrosion, increasing longevity, while the plug chamfer enhances easy entrance into threads with minimal burr formation. These properties make this tap a valuable tool for professionals in aviation, automotive, and electrical industries where precise threading is essential.