L1 L4 D3 a˚ Whistle notch shank CHAMRING Drill Holders for Drilling and D2 Chamfering in One Operation D max min d2 L max min d DCM DCNS 3D 3.5D DCNS 5D D D L L L L L L Designation min max min max min max min max d D 3 D 2 L 1 L 4 d 2 Inserts DC... 075 7.5 7.9 12.6 24 12.4 21.9 17.3 38 CHAMRING 080-WN20-06 8 25 18.8 47.4 50 20 XCGT 06... DC... 080 8 8.4 13.5 24.6 14 23 24.7 45 DC... 085 8.5 8.9 12.6 26.2 15.1 26.6 18.5 43 CHAMRING 090-WN20-06 9 25 19.8 47.4 50 20 XCGT 06... DC... 090 9 9.4 13 29.2 15.6 27.1 22.9 46.8 DC... 095 9.5 9.9 12.9 27.8 17.2 29.2 26 47 CHAMRING 100-WN32-09 10 38 24.9 67.3 60 32 XCGT 09... DC... 100 10 10.4 14.5 31.8 14.3 28.3 31.7 51.8 INDEXABLE DRILLS DC... 105 10.5 10.9 15.7 33.3 14.4 29.4 31.2 54.2 CHAMRING 110-WN32-09 11 38 25.9 67.3 60 32 XCGT 09... DC... 110 11 11.4 16.2 35.3 18 31 34.1 57.3 DC... 115 11.5 11.9 15.1 36.7 15.6 33.1 33.8 59.4 CHAMRING 120-WN32-09 12 38 26.9 67.3 60 32 XCGT 09... DC... 120 12 12.4 16.5 37.7 19.2 35.2 36.6 61.6 DC... 125 12.5 12.9 16.1 39.6 19.3 37.3 39.7 64.8 CHAMRING 130-WN32-09 13 38 27.9 67.3 60 32 XCGT 09... DC... 130 13 13.4 17.5 41.5 21.4 38.4 42.7 68 DC... 135 13.5 13.9 17.7 42.9 19.5 39.5 41.4 70.3 CHAMRING 140-WN32-09 14 38 28.4 67.3 60 32 XCGT 09... DC... 140 14 14.4 18.1 45 21.5 41.5 44.8 73.1 DC... 145 14.5 14.9 19.2 44.6 20.1 42.1 44 73.9 CHAMRING 150-WN32-09 15 38 29.4 67.3 60 32 XCGT 09... DC... 150 15 15.9 19.7 47.4 25.2 43.7 47.6 80.7 CHAMRING 160-WN32-09 DC... 160 16 16.9 19.5 55.36 26.3 49.3 57 87.5 16 38 30.4 67.3 60 32 XCGT 09... CHAMRING 170-WN32-09 DC... 170 17 17.9 21.4 54.9 28.4 52.4 55.9 88.5 17 38 31.4 67.3 60 32 XCGT 09... CHAMRING 180-WN32-09 DC... 180 18 18.9 24.2 65.2 31 57 60 93 18 38 32.4 67.3 60 32 XCGT 09... CHAMRING 190-WN32-09 DC... 190 19 19.9 28.5 62.3 32.3 63.3 67 100 19 38 33.4 75 60 32 XCGT 09... CHAMRING 200-WN32-09 DC... 200 20 20.9 38.9 73.5 36.6 67.1 79 113 20 38 34.4 75 60 32 XCGT 09... CHAMRING 210-WN40-09 DC... 210 21 21.9 33.2 69.1 76 110 21 50 35.4 84.4 68 40 XCGT 09... CHAMRING 220-WN40-09 DC... 220 22 22.9 36.5 71.3 81 114.5 22 50 36.4 84.4 68 40 XCGT 09... CHAMRING 230-WN40-09 DC... 230 23 23.9 39.9 75.6 83 121.5 23 50 37.4 84.4 68 40 XCGT 09... CHAMRING 240-WN40-09 DC... 240 24 24.9 43.4 79 91 127 24 50 38.4 84.4 68 40 XCGT 09... CHAMRING 250-WN40-09 DC... 250 25 25.9 46.9 82.6 97 133 25 50 39.4 84.4 68 40 XCGT 09... • It is recommended to apply external coolant on the chamfering inserts • Reduce the recommended feed and speed by 50% when machining maximum chamfer size • Lmin & Lmax dimensions are based on the 45° chamfering insert • Chamfering angle (a°) depends on the chamfering insert being used For inserts, see pages: XCGT-DT (549) For UNICHAMDRILLS, see pages: DCM-3.5D (7.5-20.9 mm 3.5xD) (511) , DCNS-3D (476), DCNS-5D (477) Assembly Instructions • Insert the UNICHAMDRILL into the CHAMRING prior to clamping the chamfering inserts • Adjust the UNICHAMDRILL protrusion by using the rear screw, then correct adjustment using the side clamping screw • Attach the chamfering inserts Adjustment of UNICHAMDRILL Protrusion • Loosen the chamfering inserts clamping screws • Loosen the side clamping screw • Adjust the UNICHAMDRILL protrusion by using the rear screw, then correct adjustment using the side clamping screw • Re-tighten the chamfering inserts Spare Parts Designation CHAMRING 8-9 SR M6X6DIN916 HW 3.0 SR M6X1S HW 3.0 SR 14-560 T-8/53 CHAMRING 10-20 SR M10X10DIN916 HW 5.0 SR M10X1.5S HW 5.0 SR 14-544/S BLD T15/S7 SW6-SD CHAMRING 21-25 SR M16X16 DIN1835-B HW 8.0 SR M12X1.75S HW 6.0 SR 14-544/S BLD T15/S7 SW6-SD 548 ISCAR