Qualtech Straight Flute Hand Tap, Special, Series: DWT, Measurement System: Imperial, 5/8-24 Thread, Plug Chamfer, HSS, Bright, Right Hand Cutting Direction. Qualtech DWTST5/8-24P DWT Special Straight Flute Hand Tap, Right Hand Cutting, 5/8-24 Thread, Plug Chamfer, Bright, HSS