High-Performance Thread Mills Application Data Universal Thread Mills • GTM41 • Metric Mill • Chamfer • Thread Mill GTM41 Cutting Speed — vc Feed/Tooth Range — m/min by Diameter Material Starting Group TM Style Grade min Value max < 10mm >10mm 1 GTM41 R WU16PV 170 225 290 mm 0,05 0,08 2 GTM41 R WU16PV 170 225 290 mm 0,05 0,08 3 GTM41 R WU16PV 120 150 200 mm 0,03 0,05 P 4 GTM41 R WU16PV 100 125 160 mm 0,03 0,05 5 GTM41 R WU16PV 120 150 200 mm 0,03 0,04 6 GTM41 R WU16PV 60 80 100 mm 0,03 0,04 1 GTM41 R WU16PV 120 150 200 mm 0,03 0,04 M 2 GTM41 R WU16PV 120 150 200 mm 0,03 0,04 3 GTM41 R WU16PV 120 150 200 mm 0,03 0,04 1 GTM41 R WU16PV 190 250 330 mm 0,06 0,10 K 2 GTM41 R WU16PV 190 250 330 mm 0,06 0,10 3 GTM41 R WU16PV 140 185 240 mm 0,04 0,07 1 – – – – – – – – 2 GTM41 R WU16PV 180 230 300 mm 0,06 0,07 3 – – – – – – – – N 4 GTM41 R WU16PV 210 275 360 mm 0,06 0,07 5 – – – – – – – – 6 GTM41 R WU16PV 210 275 360 mm 0,06 0,07 1 GTM41 L WU16PV 120 150 200 mm 0,025 0,045 2 GTM41 L WU16PV 50 60 80 mm 0,015 0,025 S 3 GTM41 L WU16PV 50 60 80 mm 0,015 0,025 4 GTM41 L WU16PV 70 90 120 mm 0,025 0,035 1 GTM41 WU16PV 80 100 130 mm 0,030 0,050 2 GTM41 WU16PV 80 100 130 mm 0,030 0,050 H 3 GTM41 WU16PV 50 65 80 mm 0,020 0,030 4 GTM41 WU16PV 50 65 80 mm 0,020 0,030 NOTE: For thread depths over 2 x D up to 3 x D, reduce speed and feed by 25%. Y78 widia.com High-Performance Thread Mills