Specialty Tap, 1/4-100 Thread

The ST-Q100 Specialty Tap is made to cut right handed, class 3, 1/4-100 threads for the SW-10Q series of 1/4-100 Fine Adjustment Screws. This tap has 2 straight flutes and plug chamfer. It has a square shank measuring 0.191 in. (4.85 mm) across and has a full length of 2.5 in. (63.6 mm). The ST-CHUCK can be used as a tap handle and guide.