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Mini-Bore boring bars are for boring in diameters as small as 0.180". They have a design that is said to yield greater cross sectional area for increased rigidity and strength. Inserts are available in indexable sizes of 0.156" IC, 80° diamond (CD style), 0.160" IC triangle (TD style), 0.250" IC triangle (TP style) and 0.156", 0.187" and 0.250" IC Trigon (WCGT style). Available insert options include corner radii, chip breakers, PCD and CBN tipping and TiN, TiCN, and TiAIN coating. Mini-Bore bars are available in steel, heavy metal and carbide with 5/32" through 3/4" diameters with coolant through and step bars designs. Turning tools are available in standard and Swiss screw machine styles. All Mini-Bore tooling, including PCD and CBN tipped inserts, is available for 24-hour shipment.