High carbon steel cut thread fractional tap - 1/2"-20 NF plug tap.Designed and manufactured to handle the most difficult hand tapping applications.Taper, plug and bottoming styles are available.Highly polished flutes - aid in chip removal.Taps produce a class 2B thread.No. of flutes - 4.Made in USA.
Hanson 1445 Cut Thread Fractional Plug Tap - 1/2 In -20 NF
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