Thread Forming Tap, Thread Size 1/2 In. -13, UNC, Overall Length 3 3/8 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 15/16 in, 75 Percent Thread Drill Size 11.70 mm, Thread Limit H8, Class of Fit 2B-3B. This item has been restricted from sale in the following state (s): []