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Osg 3G-OTH-273377 — Technical Specifications

Name: Osg 3G-OTH-273377 OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-16 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 10801900). Key specifications — attr1299996: H4 / 2B-3B.
Brand: Osg

The OSG Screw Thread Insert STI Tap (SKU 33ZF28, MPN 10801900) is a spiral-flute tap for 3/4"-16 UNF threads, featuring a bottoming chamfer and 4 flutes. It is ground to an H4 / 2B-3B tolerance class, ensuring precise thread fit for STI inserts.

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Technical Specifications

Parameter	Value
UNF	3/4"-16
Type	H4 / 2B-3B, Bottoming Chamfer
Flute	4
Manufacturer Part Number	10801900