Extension Tap: 5/16-18, 4 Flutes, H3, Bright/Uncoated, High Speed Steel, Spiral Point MPN:G271172-1

The Extension Tap is an essential tool made from High-Speed steel with a black oxide finish providing it protection from rust corrosion during storage or usage ideal for applications where cutting fluid may be an issue such as stainless steel, brass, and aluminum tubing; its design features four flutes offering reduced friction between threads when penetrating, thus ensuring smooth holes with accurate dimensions reducing tapping time; suitable for hand or power driven devices ensuring operator comfort and safety while usage, furthermore H3 rating makes it compatible with general machining tasks without chipping off; ideal for automotive repair shops, fabrication centers or manufacturing plants seeking quick ways of drilling threads with ease.