High precision 2 inch F1-12-50mm boring head spindle MT2 MT3 MT4 NT BT 30 40 R8 9pcs carbide 12mm boring tool boring rod set
High precision 2 inch F1-12-50mm boring head spindle MT2 MT3 MT4 NT BT 30 40 R8 9pcs carbide 12mm boring tool boring rod set