Screw Tapping ToolGeneral Information：[1]Tips: Machine taps are suggested to be used with tap collets with overload protection. Hand use is easy to cause damage to the tap due to uneven force.[2]Material and Finish: M35 cobalt high-speed steel tool (5% Co) is with high hardness (up to around 67HRC) and toughness for wear resistance. Features just the base substrate without any additional coatings, great for wide ranges of applications.[3]Applications: Suitable for processing blind holes and sticky materials. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.[4]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.[5]Tap Size: 5/16"-18 BSW thread, H2 tolerance.
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