8P 20mm Boring Bar+CAT40-NBH2084 Fine Boring Head NT40 BT40 MT3 R8 Tool Holder
8pcs boring bar with 20mm shank. Boring head range : 8mm to 280mm. (2) SBJ2010-40L: 20mm shank x40 mm length. (3) SBJ2012-53L: 20mm shank x53 mm length. (5) SBJ2020-83L: 20mm shank x83mm length. (8) SBJ20120-L : 20mm shank.