Osg 3G-OTH-281751 — Technical Specifications

The OSG Thread Forming Tap (5/8"-18 UNF) is an oversized thread-forming tap with an H12 / 2B tolerance, modified bottoming chamfer, and black oxide cobalt finish (MPN 1400152501). It is designed for forming internal threads in ductile materials without cutting, producing a work-hardened thread surface.