Grooving & Parting-Off 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 Cat. No. Stock Dimensions (mm) Work Dia. Groov. Max. Cut-Widthoff Dia.(mm)(mm)(mm)ApplicableInsertCapScrewSpanner 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 ~ 70GNDF R/L 2020 K 318-065ll2020125202041,665 ~ 1003,03,01818GCM N30-□□BX0520 5,0LH040 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 GNDF R/L 2020 K 423-065 l l 20 20 125 20 20 46,6 65 ~ 90GNDF R/L 2020 K 423-085ll2020125202046,685 ~ 1304,04,02323GCM N40-□□BX0520 5,0LH040 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 l l 20 20 125 20 20 46,6 85 ~ 130GNDF R/L 2020 K 523-125ll2020125202046,6125 ~ 2005,05,02323GCM N50-□□BX0520 5,0LH040 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 ~ 110GNDF R/L 2020 K 623-100ll2020125202046,6100 ~ 2006,06,02323GCM N60-□□BX0520 5,0LH040 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 ~ 70GNDF R/L 2525 M 318-065ll2525150252541,665 ~ 1003,03,01818GCM N30-□□BX0520 5,0LH040 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 ~ 90GNDF R/L 2525 M 423-085ll2525150252546,685 ~ 1304,04,02323GCM N40-□□BX0520 5,0LH040 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 l l 25 25 150 25 25 46,6 85 ~ 130GNDF R/L 2525 M 523-125ll2525150252546,6125 ~ 2005,05,02323GCM N50-□□BX0520 5,0LH040 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 ~ 110GNDF R/L 2525 M 623-100ll2525150252546,6100 ~ 2006,06,02323GCM N60-□□BX0520 5,0LH040 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)