Osg 3G-OTH-237777 — Technical Specifications

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400124201) is a general-purpose thread-forming tap with an H6 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. It is designed for forming internal threads in a range of materials, with the H6 / 2B-3B specification indicating its thread class and fit.