
Osg 3G-OTH-308212 — Technical Specifications
The OSG Extension Tap (MPN 1291601) is a 7/16"-14 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right threading solution.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | H3 / 2B-3B, Plug Chamfer, Black Oxide High Speed Steel |
| Flute | 4 |
| Manufacturer Part Number | 1291601 |
