Spiral Flute Tap: 1/4-28 UNF, 3 Flutes, Modified Bottoming, 3B Class of Fit, Powdered Metal, Oxide Coated MPN:MT4230611

Designed for efficient drilling and tapping in various materials such as soft to medium steel, aluminum, copper or brass, the spiral flute tap is ideal for through-holes, pilot holes or counterbores. Its powdered metal construction delivers superior strength, while its modified bottoming tap design enables smooth thread starts even on tougher materials. Available in 1/4-28 UNF diameter and featuring a standard 3 flute spiral design for clean cutting action, this tap is ideal for automotive repair shops or manufacturing facilities requiring precision threads. Additionally, the Class B fit provides high accuracy for use on materials with tighter tolerances while oxide finish helps prevent corrosion during storage and application, increasing the life span of the tool and ensuring quality performance over time. Suitable for various types of lathe machines, milling machines or drill presses with M62 threading, this spiral flute tap delivers optimal results for any precision drilling and tapping project requiring clean threads.