1/4-20 UNC 3B 2 Flute Bright Finish High Speed Steel Spiral Point Tap, Plug Chamfer, Right Hand Thread, 2-1/2″ OAL, 1″ Thread Length, H3 | 04540209

04540209 04540209 1/4-20 H3 HSS SP PT PL Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic. High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.