Spiral Point Tap,#4-40,Cobalt 33XY05. OSG 1101515505. Spiral Point Tap, Thread Size #4-40, UNC, Overall Length 1 27/32 in, Cobalt, TiN, Right Hand, Thread Length 3/8 in, 75 Percent Thread Drill Size 2.20 mm, Thread Limit H8, Class of Fit JIS 2, Number of Flutes 3.
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