OSG Spiral Flute Tap: 1 1/2"-12 UNF, H8 / 2B-3B, 4 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 and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threading is required.

This OSG tap has a thread size of 1 1/2"-12 UNF, a tolerance of H8 / 2B-3B, and a 4-flute design with a modified bottoming chamfer. It is part of OSG's spiral flute tap series for steel and stainless steel, ensuring efficient chip evacuation and thread accuracy.

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap model 1650508208.

Select an OSG tap based on thread size, tolerance, and material. For blind holes in steel, use a spiral flute tap like this 1 1/2"-12 UNF model with H8 tolerance. Ensure the tap matches the required thread class (2B-3B) and chamfer type for your application depth.