Straight Flute Tap, Thread Size #5-40, UNC, Bottoming, Overall Length 1 15/16 in, High Speed Steel, TiN, Right Hand, Thread Length 5/8 in, 75 Percent Thread Drill Size #39, Thread Limit H2, Class of Fit 2B The TiN coating on these taps protects them from wear and allows them to be used at higher speeds than taps with a bright finish. Non-coolant-through taps do not have coolant holes, so a separate hose is required to bring coolant to the cutting area if it is needed.
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