Extension Tap: 1/4-28, H5, Bright/Uncoated, High Speed Steel, Thread Forming MPN:12945-010

The Extension Tap, with a 1/4-28 standard thread pitch and H5 (hardness) designation on the Rockwell scale, is crafted from high-speed steel for enhanced durability and precision in tapping applications. This extension tap's bright/uncoated finish minimizes the need for additional surface treatments post-manufacturing while maintaining resistance to corrosion or wear during usage. The thread forming design of this extension tap allows it to create permanent threads in both thin-walled and thick materials without causing damage, making it ideal for industries such as aerospace manufacturing, automotive assembly lines, precision machining shops, and the military where reliable threading capabilities are essential for safe operations. As an economical yet high-quality option within its product class, this extension tap offers significant value to professional toolsets by offering dependable performance across various materials with minimal wear or breakage over time.