Description of productsTechnical Information 22. Features of MC-Helical Thread Mills ―Carbon steel― fz (mm/t) 0.15 0.10 Possible cutting range Recommended 0.05 cutting range 0.00 0 50 100 150 200 250 300 Vc (m/min) ― Alloy steel― fz(mm/t) 0.15 0.10 Possible cutting range Recommended 0.05 cutting range 0.00 0 50 100 150 200 250 300 Vc (m/min) ― Tool steel ― fz (mm/t) 0.15 0.10 Possible cutting range 0.05 Recommended cutting range 0.00 0 50 100 150 200 250 300 Vc (m/min) ―Cast iron― fz (mm/t) 0.15 Possible cutting range 0.10 Recommended cutting range 0.05 0.00 0 50 100 150 200 250 300 Vc(m/min) Technical-74