Grooving Tool Holders GNDF Type Face Grooving GNDF Face Grooving Face Max. Dia. Min. Dia. Work diameters in the stock indicate external diameters of face grooving. øDm (Work Diameter) Spare Parts Use for multi-purpose or profiling insert for turning (wide grooves). Above figures show right hand tools. Holders Groov. Max. Cut- Stock Dimensions (mm) Work Dia. Width off Dia. (mm) Applicable Cap Spanner Cat. No. (mm) (mm) Insert Screw R L h b L1 f h1 L2 ØDm w ar GNDF R/L 2020 K 312-035 l l 20 20 125 20 20 35,6 35 ~ 45 3,0 12 GNDF R/L 2020 K 312-040 l l 20 20 125 20 20 35,6 40 ~ 55 3,0 12 GNDF R/L 2020 K 318-050 l l 20 20 125 20 20 41,6 50 ~ 70 3,0 18 GNDF R/L 2020 K 318-065 l l 20 20 125 20 20 41,6 65 ~ 100 3,0 18 GCM N30- □□ BX0520 5,0 LH040 GNDF R/L 2020 K 318-090 l l 20 20 125 20 20 41,6 90 ~ 150 3,0 18 GNDF R/L 2020 K 318-140 l l 20 20 125 20 20 41,6 140 ~ 200 3,0 18 GNDF R/L 2020 K 318-180 l l 20 20 125 20 20 41,6 180 ~ 300 3,0 18 GNDF R/L 2020 K 418-040 l l 20 20 125 20 20 41,6 40 ~ 55 4,0 18 GNDF R/L 2020 K 423-050 l l 20 20 125 20 20 46,6 50 ~ 70 4,0 23 Grooving & Parting-Off GNDF R/L 2020 K 423-065 l l 20 20 125 20 20 46,6 65 ~ 90 4,0 23 GNDF R/L 2020 K 423-085 l l 20 20 125 20 20 46,6 85 ~ 130 4,0 23 GCM N40- □□ BX0520 5,0 LH040 GNDF R/L 2020 K 423-125 l l 20 20 125 20 20 46,6 125 ~ 200 4,0 23 GNDF R/L 2020 K 423-180 l l 20 20 125 20 20 46,6 180 ~ 300 4,0 23 GNDF R/L 2020 K 423-280 l l 20 20 125 20 20 46,6 280 ~ 1000 4,0 23 GNDF R/L 2020 K 523-050 l l 20 20 125 20 20 46,6 50 ~ 70 5,0 23 GNDF R/L 2020 K 523-065 l l 20 20 125 20 20 46,6 65 ~ 90 5,0 23 GNDF R/L 2020 K 523-085 GNDF R/L 2020 K 523-125 l l l l 20 20 20 20 125 125 20 20 20 20 46,6 46,6 85 ~ 130 125 ~ 200 5,0 5,0 23 23 GCM N50- □□ BX0520 5,0 LH040 GNDF R/L 2020 K 523-180 l l 20 20 125 20 20 46,6 180 ~ 300 5,0 23 GNDF R/L 2020 K 523-280 l l 20 20 125 20 20 46,6 280 ~ 1000 5,0 23 GNDF R/L 2020 K 623-050 l l 20 20 125 20 20 46,6 50 ~ 75 6,0 23 GNDF R/L 2020 K 623-070 l l 20 20 125 20 20 46,6 70 ~ 110 6,0 23 GNDF R/L 2020 K 623-100 l l 20 20 125 20 20 46,6 100 ~ 200 6,0 23 GCM N60- □□ BX0520 5,0 LH040 GNDF R/L 2020 K 623-180 l l 20 20 125 20 20 46,6 180 ~ 300 6,0 23 GNDF R/L 2020 K 623-280 l l 20 20 125 20 20 46,6 280 ~ 1000 6,0 23 GNDF R/L 2525 M 312-035 l l 25 25 150 25 25 35,6 35 ~ 45 3,0 12 GNDF R/L 2525 M 312-040 l l 25 25 150 25 25 35,6 40 ~ 55 3,0 12 GNDF R/L 2525 M 318-050 l l 25 25 150 25 25 41,6 50 ~ 70 3,0 18 GNDF R/L 2525 M 318-065 l l 25 25 150 25 25 41,6 65 ~ 100 3,0 18 GCM N30- □□ BX0520 5,0 LH040 GNDF R/L 2525 M 318-090 l l 25 25 150 25 25 41,6 90 ~ 150 3,0 18 GNDF R/L 2525 M 318-140 l l 25 25 150 25 25 41,6 140 ~ 200 3,0 18 GNDF R/L 2525 M 318-180 l l 25 25 150 25 25 41,6 180 ~ 300 3,0 18 GNDF R/L 2525 M 418-040 l l 25 25 150 25 25 41,6 40 ~ 55 4,0 18 GNDF R/L 2525 M 423-050 l l 25 25 150 25 25 46,6 50 ~ 70 4,0 23 GNDF R/L 2525 M 423-065 l l 25 25 150 25 25 46,6 65 ~ 90 4,0 23 GNDF R/L 2525 M 423-085 l l 25 25 150 25 25 46,6 85 ~ 130 4,0 23 GCM N40- □□ BX0520 5,0 LH040 GNDF R/L 2525 M 423-125 l l 25 25 150 25 25 46,6 125 ~ 200 4,0 23 GNDF R/L 2525 M 423-180 l l 25 25 150 25 25 46,6 180 ~ 300 4,0 23 GNDF R/L 2525 M 423-280 l l 25 25 150 25 25 46,6 280 ~ 1000 4,0 23 GNDF R/L 2525 M 523-050 l l 25 25 150 25 25 46,6 50 ~ 70 5,0 23 GNDF R/L 2525 M 523-065 l l 25 25 150 25 25 46,6 65 ~ 90 5,0 23 GNDF R/L 2525 M 523-085 GNDF R/L 2525 M 523-125 l l l l 25 25 25 25 150 150 25 25 25 25 46,6 46,6 85 ~ 130 125 ~ 200 5,0 5,0 23 23 GCM N50- □□ BX0520 5,0 LH040 GNDF R/L 2525 M 523-180 l l 25 25 150 25 25 46,6 180 ~ 300 5,0 23 GNDF R/L 2525 M 523-280 l l 25 25 150 25 25 46,6 280 ~ 1000 5,0 23 GNDF R/L 2525 M 623-050 l l 25 25 150 25 25 46,6 50 ~ 75 6,0 23 GNDF R/L 2525 M 623-070 l l 25 25 150 25 25 46,6 70 ~ 110 6,0 23 GNDF R/L 2525 M 623-100 l l 25 25 150 25 25 46,6 100 ~ 200 6,0 23 GCM N60- □□ BX0520 5,0 LH040 GNDF R/L 2525 M 623-180 l l 25 25 150 25 25 46,6 180 ~ 300 6,0 23 GNDF R/L 2525 M 623-280 l l 25 25 150 25 25 46,6 280 ~ 1000 6,0 23 Select holders and inserts with the same grooving width (w). F28 l = Euro stock = Japan stock Recommended Tightening Torque (N·m)