OSG Oversized Spiral-Flute Tap: 1/2"-13 UNC

The OSG spiral flute tap 2942708 is used for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. It is common in automotive and general manufacturing applications.

The OSG tap 2942708 is a 1/2"-13 UNC spiral flute tap with an H11 tolerance for a 2B class fit. It has 3 flutes and a modified bottoming chamfer. The oversized design provides extra material for thread finishing. It is made from high-speed steel for durability in production threading.

You can source the OSG spiral flute tap 2942708 worldwide through 3G Electric. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine OSG taps for manufacturing needs.

To select the correct OSG tap for UNC threads, match the tap size and thread pitch to your hole specification. For blind holes, use a spiral flute tap like the 2942708 to clear chips. Verify the thread class (e.g., 2B) and tolerance (e.g., H11) for fit. Consult OSG's technical data for material recommendations.