CBA10/50-FMB22 Fine Adjustment Outer Circle Finish Boring Head Fine Adjustment Outer Circle Finishing Boring Head, so that it can achieve very high machining accuracy, accuracy up to 0.01mm, or even higher, to meet the needs of high-precision machining. CBA40/50-FMB22 Outer Circle Finishing Boring Head is a high-quality tool. The CBA40/50-FMB22 Outer Circle Finishing Boring Head is a tool used in machining operations to create precise and accurate bores in workpieces. It is specifically designed for finishing operations, where a high level of surface finish and dimensional accuracy is required. Specification L1 L Boring Range ФD Boring Adapter Insert Weight(kg) CBA10/20-FMB22 40mm 78mm 10-20mm FMB22 TP*08020*L 0.8 CBA20/30-FMB22 40mm 78mm 20-30mm 0.9 CBA30/40-FMB22 40mm 78mm 30-40mm 0.85 CBA40/50-FMB22 40mm 78mm 40-50mm 1