OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute

The OSG spiral flute tap #8-32 UNC is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design lifts 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.

The OSG spiral flute tap #8-32 UNC has a thread size of #8-32 UNC, a thread limit of H3 / 2B-3B, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2912808. It is a general purpose spiral-flute tap suitable for threading blind holes in various materials.

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 times. We supply genuine OSG taps for manufacturing and maintenance applications.

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #8-32 UNC) and thread limit (e.g., H3 / 2B-3B) to your application. The modified bottoming chamfer allows threading close to the hole bottom. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and other materials.