OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pulls chips upward and out of the hole, preventing chip clogging and ensuring clean threads. This makes it ideal for automotive, aerospace, and general machining applications where thread quality and tool life are critical.

This OSG tap has a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from V-coated powdered metal for wear resistance. The manufacturer part number is 1650512608. These specs ensure precise threading in steel and stainless steel blind holes.

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools like the 1/2"-13 UNC spiral flute tap and deliver them to your facility. Contact us for pricing and lead time on your required specifications.

Select a spiral flute tap based on thread size, pitch, and material. For steel and stainless steel blind holes, choose a tap with a bottoming chamfer and a coating like V-coated powdered metal for heat resistance. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches your thread class requirement. OSG taps are a reliable choice for these applications.