OSG 1662800 Straight Flute Tap,5/8″-18,HSS 6VYA9
Straight Flute Tap, Thread Size 5/8 In.-18, UNS, Bottoming, Overall Length 3 25/32 in, High Speed Steel, Bright (Uncoated), Left Hand, Thread Length 1 5/16 in, 75 Percent Thread Drill Size 14.50 mm, Thread Limit H3 The left-hand taps in these sets are used to create internal threads in holes in applications where left-hand fasteners will be installed in the holes.