OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute

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

The OSG spiral flute tap MPN 1749901 has a thread size of 9/16"-12 UNC, with a tolerance class of H3 / 2B-3B. It features 3 flutes and a modified bottoming chamfer, designed for threading steel and stainless steel. This tap is suitable for producing threads in blind holes.

3G Electric supplies and delivers the OSG spiral flute tap 1749901 to customers worldwide. We handle full logistics and customs clearance, ensuring you receive the correct threading tool for your application. Contact us for availability and lead time on this and other OSG taps.

For threading steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG 9/16"-12 UNC tap. The spiral flute design pushes chips forward, ideal for blind holes. Ensure the tap's tolerance class (H3 / 2B-3B) matches your required thread fit. Use appropriate cutting fluid for steel to extend tool life.