OSG Oversized Spiral-Flute Tap: 3/8"-16 UNC

The OSG spiral flute tap 2941900 is designed for threading blind holes in materials like steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.

The OSG spiral flute tap 2941900 has a thread size of 3/8"-16 UNC, with an H11 tolerance and 2B class of fit. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 2941900. This tap is oversized for producing threads with tighter clearance or for use after coating.

You can source the OSG spiral flute tap 2941900 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG taps for manufacturing and maintenance operations.

For blind holes, choose a spiral flute tap like the OSG 2941900 to evacuate chips upward. Ensure the thread size (3/8"-16 UNC), tolerance (H11), and chamfer type (modified bottoming) match your application. Consider material hardness and hole depth. Consult OSG's technical data for optimal speeds and lubrication.