OSG Spiral Flute Tap: 1/4"-20 UNC, 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 1/4"-20 UNC tap with a modified bottoming chamfer is ideal for through-hole or near-bottom threading in general machining applications.

The OSG 2928000 is a 1/4"-20 UNC spiral flute tap with 3 flutes, a modified bottoming chamfer, and an H2 / 2B-3B tolerance class. It is designed for general purpose threading in blind holes, providing efficient chip evacuation and accurate thread formation in a range of materials.

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the 2928000 spiral flute tap and deliver them to your facility. Contact us for pricing and lead time on this and other OSG tooling.

For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like the OSG 2928000, to thread close to the hole bottom. Match the tap's thread size (1/4"-20 UNC) and tolerance (H2 / 2B-3B) to your application. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and more.