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HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient - ENDMIL-HPC-4.0-WN-XL-65HRC-FG-HA-D20 HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient - ENDMIL-HPC-4.0-WN-XL-65HRC-FG-HA-D20
HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient - ENDMIL-HPC-4.0-WN-XL-65HRC-FG-HA-D20 - 1
HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient - ENDMIL-HPC-4.0-WN-XL-65HRC-FG-HA-D20 - 2

HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient

End mill SC 4.0 50-65HRC WN-XL 50° Vario DURALDUR
ENDMIL-HPC-4.0-WN-XL-65HRC-FG-HA-D20

Art.-no. 5443316030

EAN 4065746569033

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HPC end mill Speedcut 4.0-ultra hard steel 50-65 HRC, extra-long XL, four cutting edges, uneven angle of twist gradient

Art.-no. 5443316030

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price per selected packing unit
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Solid carbide high-performance end mill particularly suitable for machining hardened and high-strength steels. The high rigidity and uneven pitch produce an excellent surface quality on the workpiece, even with high infeed values. Extremely long service life. The end mill is a single tool for roughing, rough finishing and finishing. Generation 4.0 sets new standards in machining performance.
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Product code

8797

Material to be processed

Hard and tough material

Diameter (d1)

20.0 mm

Shank diameter (d2)

20.0 mm

Clearance diameter (d3)

19.5 mm

Standards

CS

Construction length

Extra long

Shank style

Cylindrical DIN 6535-HA

Cutting material

SC

Surface

DUALDUR

Coolant supply

External

Twist angle

50° Vario

Length (l1)

124 mm

Cutting edge length (l2)

38 mm

Clearance length (l3)

70 mm

Number of cutting edges (Z)

4 PCS

Corner chamfer

0.10 mm

Tolerance of cutting edge diameter

e8

Tolerance of shank diameter

h6

Material of sub-group

Steels > 45 HRC, Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Alloyed tempering steels < 1000 N/mm²

Key
L = air
E = emulsion
vc = cutting speed [m/min]
fz = feed per tooth [mm/t]
ae cutting thickness (radial) = 0.015xd1
ap cutting thickness (axial) = 1.5xd1
The suggested cutting values are reference values and must be adapted to the respective conditions.
Cutting values for finishing
For dia. 20
Material designation Tensile strength Cooling vc fz
Dia. 20
min. max.
Steels
High-speed steels < 1,300 N/mm² E 128 0,068 0,101
Tool steels < 1,300 N/mm² E 186 0,068 0,101
Stainless steels
Hardened steels 40-48 HRC L 62 0,038 0,058
Hardened steels 45-55 HRC L 50 0,034 0,050
Hardened steels 55-60 HRC L 50 0,034 0,050
Hardened steels 60-65 HRC L 33 0,026 0,038
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 186 0,101 0,152
Cast iron, lamellar graphite > 260 HB L + E 149 0,101 0,152
Nodular graphite, malleable iron > 260 HB L + E 145 0,101 0,152
Cutting values for finishing
For dia. 10-16
Material designation Tensile strength Cooling vc fz
Dia. 10 Dia. 12 Dia. 14 Dia. 16
min. max. min. max. min. max. min. max.
Steels
High-speed steels < 1,300 N/mm² E 128 0,033 0,050 0,042 0,063 0,044 0,066 0,056 0,084
Tool steels < 1,300 N/mm² E 186 0,033 0,050 0,042 0,063 0,044 0,066 0,056 0,084
Stainless steels
Hardened steels 40-48 HRC L 62 0,019 0,029 0,025 0,037 0,028 0,042 0,031 0,047
Hardened steels 45-55 HRC L 50 0,017 0,025 0,022 0,034 0,025 0,037 0,028 0,042
Hardened steels 55-60 HRC L 50 0,017 0,025 0,022 0,034 0,025 0,037 0,028 0,042
Hardened steels 60-65 HRC L 33 0,012 0,018 0,014 0,022 0,019 0,029 0,022 0,032
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 186 0,047 0,071 0,057 0,086 0,068 0,103 0,083 0,125
Cast iron, lamellar graphite > 260 HB L + E 149 0,047 0,071 0,057 0,086 0,068 0,103 0,083 0,125
Nodular graphite, malleable iron > 260 HB L + E 145 0,047 0,071 0,057 0,086 0,068 0,103 0,083 0,125
Cutting values for roughing
For dia. 4-8
Material designation Tensile strength Cooling vc fz
Dia. 4 Dia. 5 Dia. 6 Dia. 8
min. max. min. max. min. max. min. max.
Steels
High-speed steels < 1,300 N/mm² E 112 0,014 0,022 0,020 0,030 0,024 0,036 0,032 0,048
Tool steels < 1,300 N/mm² E 180 0,014 0,022 0,020 0,030 0,024 0,036 0,032 0,048
Stainless steels
Hardened steels 40-48 HRC L 60 0,016 0,024 0,020 0,030 0,022 0,034 0,028 0,044
Hardened steels 45-55 HRC L 48 0,014 0,022 0,018 0,028 0,020 0,032 0,026 0,038
Hardened steels 55-60 HRC L 48 0,014 0,022 0,018 0,028 0,020 0,032 0,026 0,038
Hardened steels 60-65 HRC L 32 0,010 0,014 0,012 0,020 0,014 0,022 0,020 0,028
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 180 0,020 0,030 0,028 0,042 0,033 0,049 0,044 0,066
Cast iron, lamellar graphite > 260 HB L + E 144 0,020 0,030 0,026 0,040 0,031 0,047 0,038 0,056
Nodular graphite, malleable iron > 260 HB L + E 140 0,020 0,030 0,026 0,040 0,031 0,047 0,038 0,056
Cutting values for finishing
For dia. 4-8
Material designation Tensile strength Cooling vc fz
Dia. 4 Dia. 5 Dia. 6 Dia. 8
min. max. min. max. min. max. min. max.
Steels
High-speed steels < 1,300 N/mm² E 128 0,011 0,017 0,015 0,023 0,018 0,027 0,024 0,036
Tool steels < 1,300 N/mm² E 186 0,011 0,017 0,015 0,023 0,018 0,027 0,024 0,036
Stainless steels
Hardened steels 40-48 HRC L 62 0,008 0,012 0,010 0,015 0,011 0,017 0,014 0,022
Hardened steels 45-55 HRC L 50 0,007 0,011 0,009 0,014 0,010 0,016 0,013 0,019
Hardened steels 55-60 HRC L 50 0,007 0,011 0,009 0,014 0,010 0,016 0,013 0,019
Hardened steels 60-65 HRC L 33 0,005 0,007 0,006 0,010 0,007 0,011 0,010 0,014
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 186 0,015 0,023 0,021 0,032 0,025 0,037 0,033 0,050
Cast iron, lamellar graphite > 260 HB L + E 149 0,015 0,023 0,021 0,032 0,025 0,037 0,033 0,050
Nodular graphite, malleable iron > 260 HB L + E 145 0,015 0,023 0,021 0,032 0,025 0,037 0,033 0,050
Key
L = air
E = emulsion
vc = cutting speed [m/min]
fz = feed per tooth [mm/t]
ae cutting thickness (radial) = 0.1-0.3xd1
ap cutting thickness (axial) = 1xd1
The suggested cutting values are reference values and must be adapted to the respective conditions.
Cutting values for roughing
For dia. 20
Material designation Tensile strength Cooling vc fz
Dia. 20
min. max.
Steels
High-speed steels < 1,300 N/mm² E 112 0,090 0,134
Tool steels < 1,300 N/mm² E 180 0,090 0,134
Stainless steels
Hardened steels 40-48 HRC L 60 0,076 0,116
Hardened steels 45-55 HRC L 48 0,068 0,100
Hardened steels 55-60 HRC L 48 0,068 0,100
Hardened steels 60-65 HRC L 32 0,052 0,076
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 180 0,135 0,203
Cast iron, lamellar graphite > 260 HB L + E 144 0,103 0,155
Nodular graphite, malleable iron > 260 HB L + E 140 0,103 0,155
Cutting values for roughing
For dia. 10-16
Material designation Tensile strength Cooling vc fz
Dia. 10 Dia. 12 Dia. 14 Dia. 16
min. max. min. max. min. max. min. max.
Steels
High-speed steels < 1,300 N/mm² E 112 0,044 0,066 0,056 0,084 0,058 0,088 0,074 0,112
Tool steels < 1,300 N/mm² E 180 0,044 0,066 0,056 0,084 0,058 0,088 0,074 0,112
Stainless steels
Hardened steels 40-48 HRC L 60 0,038 0,058 0,050 0,074 0,056 0,084 0,062 0,094
Hardened steels 45-55 HRC L 48 0,034 0,050 0,044 0,068 0,050 0,074 0,056 0,084
Hardened steels 55-60 HRC L 48 0,034 0,050 0,044 0,068 0,050 0,074 0,056 0,084
Hardened steels 60-65 HRC L 32 0,024 0,036 0,028 0,044 0,038 0,058 0,044 0,064
Cast metals
Cast iron, lamellar graphite < 180 HB L + E 180 0,062 0,094 0,076 0,114 0,091 0,137 0,110 0,166
Cast iron, lamellar graphite > 260 HB L + E 144 0,052 0,078 0,058 0,086 0,066 0,100 0,078 0,116
Nodular graphite, malleable iron > 260 HB L + E 140 0,052 0,078 0,058 0,086 0,066 0,100 0,078 0,116

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