Straight Flute Tap, Thread Size 5/16 In.-18, UNC, Bottoming, Overall Length 2 23/32 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 11/16 in, 75 Percent Thread Drill Size F, Thread Limit H3, Class of Fit 2B The bright finish on these taps provides a smooth, polished surface.
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