OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/2"-20 UNF tap with modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.

The OSG 2927601 is a 1/2"-20 UNF spiral flute tap with 3 flutes, a modified bottoming chamfer, and H2 / 2B-3B tolerance. It is designed for general-purpose threading in blind holes, providing precise thread fit and chip evacuation. The H2 limit ensures consistent thread class control.

3G Electric supplies OSG taps like the 2927601 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine OSG cutting tools and can quote for your specific thread requirements.

For blind holes, choose a spiral flute tap like this OSG 1/2"-20 UNF model to evacuate chips upward. Ensure the chamfer type (modified bottoming) matches your thread depth needs. Verify thread class (2B-3B) and material compatibility. 3G Electric can help match OSG taps to your application.