Tap Size: 1/2"-20 UNF thread, 2B thread tolerance grade, left hand thread cutting. Straight flute design, downward chip removal, clear threads, fast tapping with accuracy.. Material and Finish: High-speed steel tool is with high hardness and toughness for wear resistance. Features just the base substrate without any additional coatings, suitable for wide ranges of applications.. Applications: Suitable for processing through holes. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Easy to Use: Used on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps.. Tips: Machine taps are suggested to be used with tap collets with overload protection. Hand use is easy to cause breakage to the tap due to uneven force..
