YG-1 YG Tap STI T7426488 Straight Flute Tap, 3/8-16 STI Thread, 4 Flutes, 1.5P-2P Bottoming Chamfer, UNC Thread

4 Flute HSS Bottoming Style Straight Flute Bright Finish Screw Thread Insert Tap For General Purpose

YG-1 Cutting Tools T7426488 3/8 in | UNC | 4 Flute | Bottoming | Spiral Flute STI Tap