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0.3125 5/16" Shank Solid Carbide Boring Bar

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Items that are in stock will ship within 7 days. If not in stock, this item is custom made to order.


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These solid carbide boring bars are made for use in mills, lathes and drill press machines.

5/16" Shank Solid Carbide Boring Bars

Shank SizeMin BoreOAL
Max Boring Depth
5/160.2302 1/20.4000.5000.6000.7000.8000.9001.
5/160.2902 1/20.5000.6000.7500.9001.0001.1001.2501.3501.5001.6001.7500.073

NOTE: All PTG Reamers and Cutting Tools are designed to work with petroleum-based lubricant. Water-based lubricant can give acceptable results, however the life of the tool will be reduced. For best results use petroleum-based lubricant.