SEC-Grooving Tools GNDF Type Face Grooving GNDF WF CW CDX B Max. machining diameter (external) Face grooving End face LF Min. machining diameter (external) LH Min. machining diameter (Internal) HF H DC (machining diameter) ■ Parts Note: Use a multi-functional/profiling insert This figure shows right handed tools. for traverse machining (groove expanding). ■ Holders Dimensions (mm) Cutting Cutting Machining Width of Max. groove Stock Height Width Length edge edge Head Min. machining Cat. No. distance height diamter diameter cut depth (mm) Applicable inserts Cap screw Nm Wrench Inner R L H B LF WF HF LH DC circumference CW CDX GNDF R/L2020K-312-035 D D 20 20 125 20 20 35.6 35 to 45 29 3.0 12 GNDF R/L2020K-312-040 D D 20 20 125 20 20 35.6 40 to 55 34 3.0 12 GNDF R/L2020K-318-050 D D 20 20 125 20 20 41.6 50 to 70 44 3.0 18 GNDF R/L2020K-318-065 D D 20 20 125 20 20 41.6 65 to 100 59 3.0 18 GC□ N30SS-□□ BX0520 5.0 LH040 GNDF R/L2020K-318-090 D D 20 20 125 20 20 41.6 90 to 150 84 3.0 18 GNDF R/L2020K-318-140 D D 20 20 125 20 20 41.6 140 to 200 134 3.0 18 GNDF R/L2020K-318-180 D D 20 20 125 20 20 41.6 180 to 300 174 3.0 18 F GNDF R/L2020K-418-040 D D 20 20 125 20 20 41.6 40 to 55 32 4.0 18 GNDF R/L2020K-423-050 D D 20 20 125 20 20 46.6 50 to 70 42 4.0 23 Grooving GNDF R/L2020K-423-065 D D 20 20 125 20 20 46.6 65 to 90 57 4.0 23 Tools GNDF R/L2020K-423-085 D D 20 20 125 20 20 46.6 85 to 130 77 4.0 23 GC□ N40SS-□□ BX0520 5.0 LH040 GNDF R/L2020K-423-125 D D 20 20 125 20 20 46.6 125 to 200 117 4.0 23 GNDF R/L2020K-423-180 D D 20 20 125 20 20 46.6 180 to 300 172 4.0 23 GNDF R/L2020K-423-280 D D 20 20 125 20 20 46.6 280 to 1000 272 4.0 23 Grooving GNDF R/L2020K-523-050 D D 20 20 125 20 20 46.6 50 to 70 40 5.0 23 Cut-Off GNDF R/L2020K-523-065 D D 20 20 125 20 20 46.6 65 to 90 55 5.0 23 GNDF R/L2020K-523-085 D D 20 20 125 20 20 46.6 85 to 130 75 5.0 23 Threading GNDF R/L2020K-523-125 D D 20 20 125 20 20 46.6 125 to 200 115 5.0 23 GC□ N50SS-□□ BX0520 5.0 LH040 GNDF R/L2020K-523-180 D D 20 20 125 20 20 46.6 180 to 300 170 5.0 23 GNDF R/L2020K-523-280 D D 20 20 125 20 20 46.6 280 to 1000 270 5.0 23 GNDF R/L2020K-623-050 D D 20 20 125 20 20 46.6 50 to 75 38 6.0 23 GNDF R/L2020K-623-070 D D 20 20 125 20 20 46.6 70 to 110 58 6.0 23 GNDF R/L2020K-623-100 D D 20 20 125 20 20 46.6 100 to 200 88 6.0 23 GC□ N60SS-□□ BX0520 5.0 LH040 GNDF R/L2020K-623-180 D D 20 20 125 20 20 46.6 180 to 300 168 6.0 23 GNDF R/L2020K-623-280 D D 20 20 125 20 20 46.6 280 to 1000 268 6.0 23 GNDF R/L2525M-312-035 D D 25 25 150 25 25 35.6 35 to 45 29 3.0 12 GNDF R/L2525M-312-040 D D 25 25 150 25 25 35.6 40 to 55 34 3.0 12 GNDF R/L2525M-318-050 D D 25 25 150 25 25 41.6 50 to 70 44 3.0 18 GNDF R/L2525M-318-065 D D 25 25 150 25 25 41.6 65 to 100 59 3.0 18 GC□ N30SS-□□ BX0520 5.0 LH040 GNDF R/L2525M-318-090 D D 25 25 150 25 25 41.6 90 to 150 84 3.0 18 GNDF R/L2525M-318-140 D D 25 25 150 25 25 41.6 140 to 200 134 3.0 18 GNDF R/L2525M-318-180 D D 25 25 150 25 25 41.6 180 to 300 174 3.0 18 GNDF R/L2525M-418-040 D D 25 25 150 25 25 41.6 40 to 55 32 4.0 18 GNDF R/L2525M-423-050 D D 25 25 150 25 25 46.6 50 to 70 42 4.0 23 GNDF R/L2525M-423-065 D D 25 25 150 25 25 46.6 65 to 90 57 4.0 23 GNDF R/L2525M-423-085 D D 25 25 150 25 25 46.6 85 to 130 77 4.0 23 GC□ N40SS-□□ BX0520 5.0 LH040 GNDF R/L2525M-423-125 D D 25 25 150 25 25 46.6 125 to 200 117 4.0 23 GNDF R/L2525M-423-180 D D 25 25 150 25 25 46.6 180 to 300 172 4.0 23 GNDF R/L2525M-423-280 D D 25 25 150 25 25 46.6 280 to 1000 272 4.0 23 GNDF R/L2525M-523-050 D D 25 25 150 25 25 46.6 50 to 70 40 5.0 23 GNDF R/L2525M-523-065 D D 25 25 150 25 25 46.6 65 to 90 55 5.0 23 GNDF R/L2525M-523-085 D D 25 25 150 25 25 46.6 85 to 130 75 5.0 23 GC□ N50SS-□□ BX0520 5.0 LH040 GNDF R/L2525M-523-125 D D 25 25 150 25 25 46.6 125 to 200 115 5.0 23 GNDF R/L2525M-523-180 D D 25 25 150 25 25 46.6 180 to 300 170 5.0 23 GNDF R/L2525M-523-280 D D 25 25 150 25 25 46.6 280 to 1000 270 5.0 23 GNDF R/L2525M-623-050 D D 25 25 150 25 25 46.6 50 to 75 38 6.0 23 GNDF R/L2525M-623-070 D D 25 25 150 25 25 46.6 70 to 110 58 6.0 23 GNDF R/L2525M-623-100 D D 25 25 150 25 25 46.6 100 to 200 88 6.0 23 GC□ N60SS-□□ BX0520 5.0 LH040 GNDF R/L2525M-623-180 D D 25 25 150 25 25 46.6 180 to 300 168 6.0 23 GNDF R/L2525M-623-280 D D 25 25 150 25 25 46.6 280 to 1000 268 6.0 23 Use a combination of an insert and holder with the same edge width CW. See F34 for applicable inserts. Recommended Cutting Conditions F21   N m Recommended tightning torque (N・m) F33