Indexable boring bar in black (S25R-MVUNR16): 1. Hard alloy turning tools 2. S25R-MVUNR16 boring bar holder 3. Indexable cutting tools 4. Used on turning lathe machine. The characteristics of S25R-MVUNR16 boring bar (Internal turning tool): 1. Firm clamping 2. High precision 3. Easy insert replacement 4. High stability, long life 5. Suitable for cutting fluid 6. Competitive price P type external turning tools, P type internal turning tools, S type external turning tools, S type internal turning tools, M type external turning tools, M type internal turning tools, W type external turning tools, W type internal turning tools C type external turning tools, C type internal turning tools D type external turning tools, D type internal turning tools