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Osg 3G-OTH-310973 — Technical Specifications

Name: Osg 3G-OTH-310973 OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1298400). Key specifications — attr1315101: H3 / 2B-3B.
Brand: Osg

The OSG Extension Tap (5/16"-18 UNC, MPN 1298400) is a spiral-flute extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for threading applications requiring extended reach.

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Technical Specifications

Parameter	Value
Type	H3 / 2B-3B, Plug Chamfer, High Speed Steel
Flute	3
Manufacturer Part Number	1298400