
Boring Bar Selection Guide Colored sections: manufacturable sizes (without oil hole) ● : In stock H : With oil hole in stock Application Shank type boring Applicable Minimum bore diameter (mm) Tool type depth (L/D) inserts Tooling Note: If different from the machineable diameter in the heading, it is indicated in the table Carbide Steel Vibration control type/shape 1 1.5 2 3 4 5 6 7 8 10 12 13 14 16 18 20 22 25 28 34 44 54 70 C-SCLC –8 D D D D D D D D D D D → E13 –8 E-SCLC With 80 diamond type H H H H → E14 oil hole 7 positive (with hole) S-SCLP –3 D D D D D D D D [BBPC] → E19 A-SCLP –3 H H H H H H → E19 27 B-SCLP/ 80 diamond type D-SCLP –6 11 positive D D D [XBPC/XBPC-H] → E20 (with hole) H H H C-SCLP –8 D D D D D [WBPC] → E20 Bottom Facing D D D S-DCLN nde d E Expa –3 D 40 50 63 → E23 DCLN Type 32 D D D D-DCLN Boring –6 H H H → E23 Bars 32 40 50 D D D S-PCLN Expa nde d –3 D 40 50 63 → E24 PCLN Type / ECLN Type 32 D D D B-PCLN –6 80 diamond type D D → E24 negative (with hole) 40 50 S-ECLN –3 D D D D [BCLN] → E25 26 D-DWLN –6 H H H → E26 32 40 50 S-DWLN Expa nde d –3 D D D D → E25 32 40 50 63 Trigon type S-PWLN Expa nde d –3 negative (with hole) D D → E26 40 50 6 8 10 12 13 14 16 18 20 22 25 28 32 34 35 40 44 50 54 63 70 D S-SDUC d nde Expa –3 D D D 23 D S-SDQC → E27, E29 d nde Expa SDUC Type D H A-SDUC –3 H H H 23 H A-SDQC → E27, E29 H SDQC Type B-SDUC –6 D D D D D B-SDQC → E28, E30 C-SDUC –8 55 diamond D D D D → E28 7 positive (with hole) D S-SDZC Expa nde d –3 D D D 23 D → E30 D S-SVJB Expa nde d Profiling –3 D D D D → E38 30 B-SVJB –6 D D → E38 30 S-SVJC –3 D D → E38 S-SVQC d nde Expa –3 35 diamond type D D D D D D D S-SVUC → E40, E42 d nde Expa 5 positive (with hole) 7 positive (with hole) A-SVUC –3 SVU □ Type / SVQ □ Type H H H H → E42 A-SVQC –3 H H H H → E40 S-SVQB d nde Expa –3 D D D D D D S-SVUB → E39, E41 d nde Expa The type codes in [ ] are old type codes. 6 8 10 12 13 14 16 18 20 22 25 28 32 34 35 40 44 50 54 63 70 E6