5Pcs Cobalt High Speed Steel Pipe Thread Tap Set – 1/8, 1/4, 3/8, 1/2, 3/4 Inch Spiral Flute Taps – Blind Hole Threading Tools DRINYOUNG (5pcs Spiral：1/8", 1/4", 3/8", 1/2", 3/4")

["5-piece inch pipe thread tap set includes 1/8, 1/4, 3/8, 1/2, 3/4 inch sizes, covering common pipe threading needs","Cobalt high speed steel material offers good heat and wear tolerance for general use","Spiral flute design lifts debris upward, specially suited for blind hole tapping to reduce debris clogging","Suitable for pipe installation, machinery repair, mold work, and similar applications","Note: Pay attention to hole depth when tapping blind holes to avoid bottoming out. Using cutting fluid helps extend tap longevity. When withdrawing, keep tap rotating advancing to avoid debris jamming"]