YG-1 YG Tap STI T7426408 Straight Flute Tap, 1/4-20 STI Thread, 3 Flutes, 1.5P-2P Bottoming Chamfer, UNC Thread

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

YG-1 Cutting Tools T7426408 1/4 in | UNC | 3 Flute | Bottoming | Spiral Flute STI Tap