OSG SPIRAL FLUTE Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0143401)

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its 3-flute design and bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general machining applications where clean threads are critical.

The OSG 0143401 is a 7/16"-20 UNF spiral flute tap with an H5 tolerance, suitable for 2B-3B thread classes. It has 3 flutes and a bottoming chamfer, optimized for threading blind holes in steel and stainless steel. The manufacturer part number is 0143401.

3G Electric supplies and delivers OSG taps like the 0143401 to worldwide locations. As a global industrial solutions provider, we handle full logistics and customs clearance, ensuring you receive genuine OSG cutting tools for your machining operations, regardless of your location.

For steel, choose a spiral flute tap like the OSG 0143401 when threading blind holes, as it clears chips upward. Match the thread size (e.g., 7/16"-20 UNF) and tolerance (H5) to your application. For through holes, consider a spiral point tap instead. Always verify material hardness and coolant requirements.