5/16-18 Plug RH 3B H3 TiN High Speed Steel 4-Flute Straight Flute Hand Tap MPN:1544534

This #6-40 spiral flute tap has a UNF (Unified National Fine) thread type with a size of two flutes for improved chip removal during drilling. Made from high-speed steel, the tap's coating ensures durability and resists heat buildup while maintaining sharp cutting edges for better precision. It features semi-bottoming design that reduces splitting when starting threads while its 2B & 3B class of fit offers an ideal balance between cutting speed and thread quality. Its 2 flutes enhance chip evacuation from the hole, making it suitable for materials such as brass, aluminum, steel, and plastics, ideal for drilling various applications in industries like aerospace, automotive, and electronics.