Spiral Flute Tap: #4-40 UNC, 3 Flutes, Modified Bottoming, 3B Class of Fit, Powdered Metal, TICN Coated MPN:5348371

The spiral flute #4-40 UNC tap is engineered for optimal performance in plastic, aluminum, and steel materials offering precision cutting thread on holes for fasteners ensuring accurate fitment and finishes. Its modified bottoming feature allows drilling threads deeper into hard materials while providing clean starts and exits reducing breaking or chipping of material. Made from premium quality powdered metal providing durability and longevity, it outlasts traditional carbon steel tap tools making it an economical long-term investment for professionals or hobbyists. To increase tool life further, the tap's body is coated with TICN ensuring corrosion resistance even on wet environments maintaining cutting edges sharpness extending its lifespan. With its multi-purpose fit and coating properties, the #4-40 UNC spiral flute tap can be used in numerous applications within machinery or woodwork industries where precision thread creation is paramount.