Int. 80 diamond 90 approach
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| IHCR Boring Toolholders Used on the MB Modular Boring System |
IHRF 80° Rhombic Insert Holders Used for Mounting on the MB Fine Boring Heads |
IHRF-C Boring Tools Used for Twin Cutters, Inner to the Opposite - Finishing Tools on MB BHC Combi Boring Heads |
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| IHSR Rough Boring Tools Used for Twin Cutters, with Their Radial and Axial Edge Inner to the Opposite - Finishing Tool |
IHSR-C Finish Boring Toolholders Used on the BHC MB Modular Boring System |