DIAMOND TAP 3/8-24 UNJF 3B 4FL BOTTTOM CHAMFER

The OSG 3298816 Exocarb Diamond Series Straight Flute Tap is a carbide threading tool designed for producing accurate 3/8"-24 UNF threads with a 3B tolerance. It uses a straight flute design and features a modified bottoming chamfer of approximately 1.5 pitches, making it suitable for applications that require threading close to the bottom of a hole. The Exocarb Diamond Series construction provides long tool life, especially in abrasive or hard-to-machine materials. With part number cross-references including 11889-3298816 and 33YY30, this tap is commonly used in precision machining, maintenance work, and production environments where consistent fine-thread performance is needed. Its carbide build offers rigidity, wear resistance, and stable cutting action for high-quality thread formation in a variety of materials.

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