Boring Tools Series Selection Guide by Tooling Applications Bottom Facing Profiling Back Turning Insert Shape 80° Diamond Type C 55° Diamond Type D 35° Diamond Type V 55° Diamond Type D 35° Diamond Type V Structure/Shank Material Boring Bars S-SCLP S-SCLC S-SDUC E22 S-SVUC E38 S-SVQC E35 S-SDZC S-SVZC E41 E S-SDQC S-SVUB S-SVQB S-SVZB Steel [BBPC] E15 E12 E24 E36 E33 E26 E39 Screw-on A-SCLP Oil Hole A-SCLC Oil Hole A-SDUC Oil Hole E22 A-SVUC Oil Hole E38 E15 E12 A-SDQC Oil Hole E24 A-SVQC Oil Hole E35 Steel with Anti-Vibration Mechanism B-SCLP/D-SCLP Oil Hole B-SCLC B-SDUC E23 B-SVUB E36 B-SVZB [XBPC/XBPC-H] E16 E13 B-SDQC E25 B-SVQB E33 E39 Carbide C-SCLP C-SCLC E14 C-SDUC C-SVUB E37 C-SVZB [WBPC] E16 E-SCLC Oil Hole E14 E23 C-SVQB E34 E40 Steel Clamp-on/Double Clamp S-DCLN S-DDUN E27 E17 S-DDQN E27 Steel with Anti-Vibration Mechanism D-DCLN Oil Hole D-DDUN Oil Hole E17 E28 Carbide Steel Lever Lock S-PCLN S-PDUN S-PDZN E18 E28 E29 Steel with Anti-Vibration Mechanism B-PCLN E18 Pin Lock Steel S-ECLN S-EDUN S-EDZN [BCLN] E19 [BDUN] E28 [BDZN] E29 Tool Holders Special Double T-REX Clamp S-DTR55C T-REX E30 Carbide CBN BNZ E67 Symbols in [ ] indicate the previous product types Oil Hole : With oil hole E2