OSG 1/4"-20 UNC Oversized Spiral-Flute Tap

This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its 3-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications where precise internal threads are required.

The OSG spiral flute tap MPN 2940301 has a thread size of 1/4"-20 UNC, a H11 tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap designed for producing threads in blind holes, with a manufacturer part number of 2940301 and SKU 2940301.

You can source OSG taps, including the spiral flute tap MPN 2940301, through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine OSG products for your threading needs.

For blind holes, choose a spiral flute tap like this OSG model to pull chips out of the hole. Consider thread size (1/4"-20 UNC), flute count (3), and chamfer type (modified bottoming). Ensure the tap's H11 tolerance matches your material and thread class requirements for optimal performance.