5-40 HSS Nitro Plug Tap

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If your application requries heavy duty performance, consider our 5-40 HSS Nitro Plug Tap. The Nitro line features a tough surface treatment for increased hardness for working with materials such as cast iro or stainless steel. Plug taps have a moderate amount of taper to facilitate an easier staring point and alignment, most commonly used for threading in through-holes.