Solid carbide end mill Speedcut, ultra-hard steel 68 HRC, corner radius long, optional
End mill SC Ultra HRC WN 2.5xD/1.5xD TiAlN-S ER HA
ENDMIL-SP-DIN6527L-HS-SC-HA-D8X0,3
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Datasheets(X)
Product code | 6647 |
Material to be processed | Cast metal, Hard and tough material |
Diameter (d1) | 8 mm |
Shank diameter (d2) | 8 mm |
Clearance diameter (d3) | 7.8 mm |
Standards | CS |
Construction length | Long |
Shank style | Cylindrical DIN 6535-HA |
Cutting material | SC |
Surface | TiAlN-S |
Coolant supply | External |
Twist angle | 50° |
Corner radius (R) | 0.3 mm |
Length (l1) | 63 mm |
Cutting edge length (l2) | 13 mm |
Clearance length (l3) | 21 mm |
Number of cutting edges (Z) | 6 PCS |
Tolerance of cutting edge diameter | e8 |
Tolerance of shank diameter | h5 |
Material of sub-group | Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Steels > 45 HRC |
Cutting values finishing contour | ||||||||||
For dia. 4 - dia. 16 | ||||||||||
Material designation | Tensile strength | Cooling | vc | fz | ||||||
Dia. 4 | Dia. 5 | Dia. 6 | Dia. 8 | Dia. 10 | Dia. 12 | Dia. 16 | ||||
Tool steels | 1100–1400 N/mm2 | T | 170 | 0,010 | 0,015 | 0,020 | 0,025 | 0,030 | 0,035 | 0,040 |
Hardened steels | 40–48 HRC | T | 150 | 0,010 | 0,015 | 0,020 | 0,030 | 0,035 | 0,040 | 0,050 |
48–55 HRC | T | 135 | 0,010 | 0,015 | 0,020 | 0,025 | 0,030 | 0,035 | 0,045 | |
55–60 HRC | T | 120 | 0,008 | 0,012 | 0,015 | 0,025 | 0,030 | 0,035 | 0,045 | |
60–68 HRC | T | 80 | 0,008 | 0,012 | 0,015 | 0,020 | 0,025 | 0,030 | 0,035 | |
Wear resistant constructional steel | 1350 N/mm2 | T | 170 | 0,010 | 0,015 | 0,020 | 0,025 | 0,025 | 0,035 | 0,040 |
1800 N/mm2 | T | 145 | 0,010 | 0,015 | 0,020 | 0,025 | 0,025 | 0,035 | 0,040 | |
Cast iron | < 180 HB | T | 200 | 0,015 | 0,022 | 0,030 | 0,040 | 0,055 | 0,065 | 0,080 |
> 180 HB | T | 160 | 0,015 | 0,022 | 0,030 | 0,040 | 0,050 | 0,060 | 0,070 | |
Spheroidal graphite, malleable iron | > 180 HB | T | 190 | 0,015 | 0,022 | 0,030 | 0,040 | 0,055 | 0,065 | 0,080 |
> 260 HB | T | 170 | 0,015 | 0,022 | 0,030 | 0,040 | 0,050 | 0,060 | 0,070 |
Legend | ||
T = dry | ae = 0.02xd1 | |
vc = cutting speed [m/min] | ||
fz = feed per tooth [mm/z] | ap = 1.5xd1 | |
ae = cutting thickness (radial) | ||
ap = cutting thickness (axial) | ||
The cutting speeds listed refer to all tool types according to DIN 6527K or DIN6527L. For XL Series end mills, it is recommended to reduce the cutting speed by 30%. |