Page 1905 - Master Catalog 2017, Inch
P. 1905
High-Performance Thread Mills
Application Data
GTM11 and GTM21 • Inch
Thread Mill GTM11 Thread Mill • Chamfer GTM21
Cutting Speed — vc Cutting Speed — vc
Feed/Tooth Feed/Tooth
Range — SFM by Diameter Range — SFM by Diameter
Material Starting Starting
Group min Value max <.375 >.375 min Value max <.375 >.375
1 300 380 490 inch .002 .003 460 610 790 inch .002 .004
2 300 380 490 inch .002 .003 460 610 790 inch .002 .004
3 130 160 230 inch .001 .001 230 300 390 inch .001 .001
P
4 – – – – – – 230 300 390 inch .001 .001
5 200 260 330 inch .002 .002 230 300 390 inch .002 .003
6 – – – – – – – – – – – –
1 200 260 330 inch .002 .002 230 300 390 inch .002 .003
M 2 200 260 330 inch .002 .002 230 300 390 inch .002 .003
3 – – – – – – – – – – – –
1 390 490 660 inch .002 .004 430 560 720 inch .002 .004
K 2 390 490 660 inch .002 .004 430 560 720 inch .002 .004
3 300 380 490 inch .002 .003 360 460 590 inch .002 .003
1 660 740 820 inch .002 .002 890 980 1080 inch .003 .006
2 560 620 690 inch .002 .002 520 570 620 inch .003 .006
3 820 900 980 inch .003 .004 890 980 1080 inch .003 .006
N
4 820 900 980 inch .003 .004 890 980 1080 inch .003 .006
5 890 980 1080 inch .005 .005 820 900 980 inch .004 .008
6 560 620 690 inch .002 .002 300 330 360 inch .004 .008
1 200 260 330 inch .002 .002 230 300 390 inch .002 .003
2 160 210 260 inch .001 .002 160 200 260 inch .001 .002
S
3 160 210 260 inch .001 .002 160 200 260 inch .001 .002
High-Performance Thread Mills
4 160 210 260 inch .001 .002 160 200 260 inch .001 .002
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