Osg 3G-OTH-313570 — Technical Specifications

The OSG Extension Tap (MPN 1295500) is a 1/2"-13 UNC spiral-point extension tap with H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. 3G Electric sources this precision threading tool as part of our industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.