Straight Flute Tap, Thread Size 1/2 In.-20, UNF, Bottoming, Overall Length 3 3/8 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 15/16 in, 75 Percent Thread Drill Size 11.40 mm, Thread Limit H3, Class of Fit 2B The bright finish on these taps provides a smooth, polished surface.
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