ApplicationFace /Necking w s fh1 e AC830P AC425K AC520U AC530U bh 45° ap1 ØDm Parting-Off Grooving & Grooving Tool Holders GNDN Type Necking GNDN 45° Necking Necking w L1 ap New L2 ap1 Above figures show right hand tools. Spare Parts Holders Min. Groov. Cat. No. Stock Dimensions (mm) Bore Width(mm)(mm)ap ap1 ApplicableInsert CapScrew Spanner 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 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) Shape Type Cat. No. w CuttingWidthTolerance s 2- RN GCM N2010 RN New - - m m 2,0 ±0,03 0,4 21,7 3,6N3015 RNNewmmmm3,0±0,030,822,43,8 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 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