Description:

Specifications: 4-40 UNC thread, H2 thread tolerance grade, right hand thread cutting, fast tapping with accuracy. Straight flutes spiral point taps provide downward chip removal.. Material and Finish: High speed steel tool is with high hardness and toughness, heat resistance and wear resistance. Features the base substrate without any coatings. Suitable for general purpose thread tapping.. Applications: Great for through-hole threads. Can be used for drilling and tapping stainless steel (below 30HRC), aluminum, die steel, ordinary steel, non-ferrous metals, hard plastics, etc.. How to Use: Suitable for drill presses, tapping machines, CNC and milling machines. Used with tapping oil to get higher quality threads and more durable taps.. Tips: Machine taps are suggested to be used with tap chucks with overload protection. It is not recommended for hand use and electric drill tapping..