
Grooving Tool Holders GNDN Type Necking GNDN 45° ØDm Necking Necking b f ap L1 ap1 e w 45° New L2 ap1 h1 h Above figures show right hand tools. Spare Parts Holders Min. Groov. Stock Dimensions (mm) Bore Width Applicable Cap Cat. No. (mm) (mm) ap ap1 Spanner Insert Screw R L h b L1 f h1 L2 e ØDm w GNDN R/L2020 K 220-020 m m 20 20 125 23 20 30 3,0 20 2,0 2,0 1,00 GCM N2010 RN GNDN R/L2020 K 325-020 m m 20 20 125 23 20 30 3,0 20 3,0 2,5 1,15 GCM N3015 RN GNDN R/L2020 K 430-030 m m 20 20 125 24 20 32 4,0 30 4,0 3,0 1,29 GCM N4020 RN BX0520 5,0 LH040 GNDN R/L2020 K 535-030 m m 20 20 125 25 20 35 5,0 30 5,0 3,5 1,44 GCM N5025 RN GNDN R/L2020 K 640-030 m m 20 20 125 25 20 35 5,0 30 6,0 4,0 1,59 GCM N6030 RN Grooving & Parting-Off GNDN R/L2525 M 220-020 m m 25 25 150 23 25 30 3,0 20 2,0 2,0 1,00 GCM N2010 RN GNDN R/L2525 M 325-020 m m 25 25 150 28 25 30 3,0 20 3,0 2,5 1,15 GCM N3015 RN GNDN R/L2525 M 430-030 m m 25 25 150 29 25 32 4,0 30 4,0 3,0 1,29 GCM N4020 RN BX0520 5,0 LH040 GNDN R/L2525 M 535-030 m m 25 25 150 30 25 35 5,0 30 5,0 3,5 1,44 GCM N5025 RN GNDN R/L2525 M 640-030 m m 25 25 150 30 25 35 5,0 30 6,0 4,0 1,59 GCM N6030 RN Select holders and inserts with the same grooving width (w). GNDN Inserts Coated Carbide Dimensions (mm) Application w AC520U AC530U AC830P AC425K Shape Type Cat. No. Cutting Tolerance s Width GCM N2010 RN New - - 2,0 ±0,03 0,4 21,7 3,6 2- RN m m N3015 RN New 3,0 ±0,03 0,8 22,4 3,8 Necking m m m m Face / w N4020 RN New m m m m 4,0 ±0,03 0,8 28,0 4,0 N5025 RN New m m m m 5,0 ±0,03 0,8 28,1 4,1 s General Purpose N6030 RN New m m m m 6,0 ±0,03 0,2 28,1 4,5 Select holders and inserts with the same grooving width (w). F27