OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute

The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging in deep holes. The modified bottoming chamfer allows threading close to the bottom of the hole, making it ideal for automotive, aerospace, and general manufacturing applications.

This OSG tap has a 1/2-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The H3 tolerance ensures precise fit for 2B-3B class threads. The manufacturer part number is 1733501.

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1/2-20 UNF tap MPN 1733501. We source and deliver to meet your production needs.

Select an OSG spiral flute tap based on thread size, tolerance, and material. For steel and stainless steel blind holes, use a tap with H3 / 2B-3B tolerance and modified bottoming chamfer, like the 1/2-20 UNF model. Ensure the tap matches your hole depth and chip evacuation needs. Consult OSG's technical data for optimal performance.