Extension Tap: 5/16-18, 2 Flutes, H3, Bright/Uncoated, High Speed Steel, Spiral Point MPN:091388AS

The Extension Tap features a size of 5/16-18 and 2 flutes, offering speedy thread creation with minimal material chipping or clogging. The tap is made from high-speed steel, which boosts its durability while also featuring an H3 hardness rating to resist wear over time. Additionally, its bright/uncoated finish helps prevent galling on threads, further enhancing its lifespan and reliability. Its spiral point design ensures efficient threading with smooth results even in demanding applications or materials like stainless steel or aluminum, making it an essential tool for professionals who require accurate, clear, and consistent threading results.