12 Pcs, Qualtech 7/16"-20 HSS Left Hand 4 Flute Bottoming Tap, DWT60797
$110.91
Size: 7/16"-20; Material: High Speed Steel; Finish: Uncoated (Bright); Style: Bottoming; Cutting Direction: Left Hand HSS Left Hand Tap, 7/16"-20, Dec. Equivilant: .4375-20, Limit H3, Number of Flutes 4