Mini Turning Tools for Auto Lathe ETW Carbide Slitting Saws for Automatic Lathe - Arbors Order No. d D d1 L1 L2 L L3 L4 ETWSA050065 5 6 10 12 5.2 50 5 3.0 ETWSA050076 5 7 13 16 7.5 60 8.8 4.0 ETWSA060065 6 6 10 12 5.2 50 5.1 3.2 ETWSA060076 6 7 13 16 7.5 60 8.8 4.0 ETWSA060106 6 10 16 11 5.2 60 5.5 1.5 / 3.0 ETWSA060109 6 10 13 16 7.5 90 8.2 4.2 ETWSA080106 8 10 13 16 7.5 60 7.5 4.2 Recommended Cutting Conditions Working Carbon Steel Alloy Steel Stainless SteelMaterial(S35C,S45C,S50C)(SCM,SKT,SKD)(SUS304)Cast Iron(FC,FCD)Aluminum / CopperHardened Steel(SKT,SKD) Hardness HRC < 30 HRC 30 ~ 45 - HRC < 30 - HRC 45 ~ 55 Vc 54 - 68 - 82m/min 36 - 45 - 54m/min 48 - 59 - 70m/min 54 - 68 - 82 120 - 150 - 180 23 - 29 - 35m/minm/minm/min Diameter(mm) R.P.M FEED (mm/min) R.P.M FEED (mm/min) R.P.M FEED (mm/min) R.P.M FEED (mm/min) R.P.M FEED (mm/min) R.P.M FEED (mm/min) 15 1450 220 950 150 1250 180 1450 220 3180 560 620 90 20 1080 240 720 160 940 200 1080 240 2390 580 460 100 25 860 260 570 170 750 220 860 260 1900 600 370 110 30 740 280 470 180 630 240 740 280 1590 620 310 120 C107