
HF HARD - Unequal pitch - 45° chamfer CUTTING PARAMETERS INFO HF850 Material GroupISO 513 P4 M3 K4 P4 P5 P8 M3 K4 S1 P5 P8 P8 K4 S2 S3 H1 H4 H5 Hardness/Rm 800÷1000 N/mm² 900÷1200 N/mm² 35÷45 HRC ≤55 HRC ap x ae 0.5D x D 0.5D x D 0.3D x D 0.2D x D Vc (m/min) 80÷100 60÷80 40÷60 30÷50 CARBIDEDRILLS D fz fz fz fz(mm)(mm/z)(mm/z)(mm/z)(mm/z) 3 0.012 0.011 0.009 0.008 PU-HPU TA-4HTA SLOTTING 4 0.016 0.014 0.012 0.011 SUH 5 0.020 0.018 0.015 0.014 ALH 6 0.023 0.021 0.017 0.016 HRC 8 0.030 0.027 0.022 0.021 SUH MINI 10 0.036 0.032 0.027 0.025 HL 12 0.041 0.037 0.031 0.029 HSD 14 0.046 0.041 0.034 0.032 C-SD-TA 16 0.051 0.046 0.038 0.036 20 0.062 0.056 0.047 0.043 ap x ae ≤ D5 0.3D x D 0.3D x D 0.2D x D 0.1D x D Material Group P4 M3 K4 P4 P5 P8 M3 K4 S1 P5 P8 P8 K4 S2 S3 H1 H4 H5 ISO 513 Hardness/Rm 800÷1000 N/mm² 900÷1200 N/mm² 35÷45 HRC ≤55 HRC HSSDRILLS ap x ae 1.5D x 0.3D 1.5D x 0.2D 1.2D x 0.2D D x 0.1D Vc (m/min) 100÷120 70÷90 50÷70 40÷60 LFTA D fz fz fz fz SUTA (mm) (mm/z) (mm/z) (mm/z) (mm/z) HSS-HSS/CO 3 0.014 0.013 0.011 0.016 SIDE MILLING 4 0.019 0.017 0.015 0.021 5 0.023 0.021 0.019 0.026 6 0.028 0.025 0.022 0.030 8 0.036 0.032 0.029 0.039 10 0.043 0.039 0.034 0.047 12 0.049 0.044 0.039 0.054 14 0.055 0.050 0.044 0.061 CARBIDEEND-MILLS 16 0.061 0.055 0.049 0.067 20 0.074 0.067 0.060 0.082 G2 ap x ae ≤ D5 1.2D x 0.2D 1.2D x 0.1D D x 0.1D D x 0.05D MDTA HF VH/UP MEF ALU Material Group P4 M3 K4 P4 P5 P8 M3 K4 S1 P5 P8 P8 K4 S2 S3 H1 H4 H5 MEX/MH ISO 513 UH/MH Hardness/Rm 800÷1000 N/mm² 900÷1200 N/mm² 35÷45 HRC ≤55 HRC ° x ae 5° x 0.4D 4° x 0.4D 3° x 0.4D 2° x 0.4D Vc (m/min) 80÷100 60÷80 40÷60 30÷50 D fz fz fz fz (mm) (mm/z) (mm/z) (mm/z) (mm/z) 3 0.009 0.008 0.007 0.008 HSS HELICAL 4 0.011 0.011 0.009 0.010 END-MILLS 5 0.014 0.013 0.012 0.012 6 0.017 0.016 0.014 0.015 8 0.022 0.020 0.018 0.019 10 0.026 0.024 0.021 0.023 12 0.030 0.028 0.024 0.026 14 0.033 0.031 0.028 0.029 16 0.037 0.035 0.031 0.032 20 0.045 0.042 0.037 0.039 CARBIDE ° x ae ≤ D5 2° x 0.4D 2° x 0.4D 1° x 0.4D 1° x 0.4D BURRS PARAMETERS SUGGESTED WITH HIGH POWER MILLING CHUCK AND STABLE MACHINING CONDITION 444