Osg 3G-OTH-308198 — Technical Specifications

The OSG Extension Tap (MPN 1290201) is a 1/4"-20 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.