Osg 3G-OTH-221747 — Technical Specifications

The OSG Straight Flute Tap (MPN 1172800) is a 1/2"-20 UNF general-purpose hand tap made from high-speed steel with a plug chamfer. It features 3 flutes and is rated H3 / 2B-3B, designed for threading applications across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps and controls serves as a trust anchor, but we are a curated partner that gets you the right answer, not an infinite warehouse.