C90820.0

Roughing End Mill
Ordering number: 5985665

Short series roughing end mill with NRA asymetrical coasre pitch profile and 4 flutes, diameter 20mm with 38mm length of cut, 104mm overall length and 53.5mm reach with neck relief, according to DIN 844 K standard with a 20mm Weldon shank, powder metallurgical HSS-E with Alcrona coating, 35° helix and 12° rake angle for shoulder milling, slot milling and ramping in plain carbon, alloy and tool steel, stainless steel, cast-iron, copper or copper alloys and high-temperature alloys

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Product Feature

Aluminium Chromium Nitride Coating

High Speed Cobalt Powder Metal Tool Material

Coarse Pitch Asymmetrical Rounded Profile Chipbreaker

Cut Length, Short

35° Helix Angle (Flute)

DIN 1835B Weldon Shank

k12 – Industry Standard Tool Tolerance Zone (based on diameter range)

Radial, Diagonal, Axial

DIN 844 K – End Mill Standards

Number of Flutes = 4 (teeth)

Product Operation

Shallow Shoulder Milling - Primary use

Shallow Slot Milling - Primary use

Ramping - Primary use

Helical Interpolation - Possible use

Product Detail

Description	Value
EAN number	7320760076033
EDP number	0076033
Product name	C90820.0
Ordering code ANSI	C90820.0
Gross weight - grams	227.5
Cutting diameter - millimeter (DC)	20 mm
Connection diameter - millimeter (DCON MS)	20 mm
Depth of cut maximum - millimeter (APMX)	38 mm
Overall length - millimeter (OAL)	104 mm
Flute count (NOF)	4
Usable Length - millimeter (LU)	53.5 mm
Neck diameter - millimeter (DN)	19 mm
Radial rake angle (GAMF)	12
With Neck	Yes
ANSI	C90820.0
ISO	C90820.0

Cutting Conditions

P - Steel and cast steel (steels with alloy content ≤ 10% and a hardness of < 45HRC)

P2

P2 - Plain carbon steel (steels comprised of mainly iron and carbon)

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	Suitability	v_c	f
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	305 ft/min	0.0026 inch/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	269 ft/min	0.0021 inch/rev

P3

P3 - Alloy steel (carbon steels with an alloying content ≤ 10%)

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	Suitability	v_c	f
P3.1 - Alloy steel with a hardness of < 180HB	help_outline Primary use	262 ft/min	0.0026 inch/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	210 ft/min	0.0021 inch/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Primary use	177 ft/min	0.0021 inch/rev

P4

P4 - Tool steel (special alloy steel for tools, dies and molds)

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	Suitability	v_c	f
P4.1 - Tool steel with a hardness of < 26HRC	help_outline Primary use	157 ft/min	0.0021 inch/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Primary use	131 ft/min	0.0021 inch/rev
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Possible use	108 ft/min	0.0021 inch/rev

M - Stainless steel (corrosion resistant steels with ≥ 11% chromium content)

M1

M1 - Ferritic stainless steel (straight chromium non-hardenable alloys)

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	Suitability	v_c	f
M1.1 - Stainless steel, ferritic with a hardness of < 160HB	help_outline Primary use	217 ft/min	0.0026 inch/rev
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Primary use	184 ft/min	0.0026 inch/rev

M2

M2 - Martensitic stainless steel (straight chromium hardenable alloys)

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	Suitability	v_c	f
M2.1 - Stainless steel, martensitic with a hardness of < 200HB	help_outline Primary use	194 ft/min	0.0026 inch/rev
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Primary use	157 ft/min	0.0021 inch/rev

M3

M3 - Austenitic stainless steel (chromium-nickel and chromium-nickel-manganese alloys)

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	Suitability	v_c	f
M3.1 - Stainless steel, austenitic with a hardness of < 200HB	help_outline Primary use	154 ft/min	0.0021 inch/rev
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Primary use	131 ft/min	0.0021 inch/rev
M3.3 - Stainless steel, austenitic with a hardness of 260 - 300HB	help_outline Primary use	118 ft/min	0.0018 inch/rev

M4

M4 - Super-austenitic, Duplex or Precipitation Hardening stainless steel (austenitic alloys with > 20% Ni, austenitic-ferritic microstructure or precipitation hardened)

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	Suitability	v_c	f
M4.1 - Stainless steel, austenitic-ferritic or super-austenitic with a hardness of < 300HB	help_outline Primary use	85 ft/min	0.0018 inch/rev

K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content)

K1

K1 - Gray iron (GG) (iron-carbon castings with a lamellar graphite microstructure)

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	Suitability	v_c	f
K1.1 - Gray iron, ferritic or ferritic-pearlitic with a hardness of < 180HB	help_outline Primary use	200 ft/min	0.0026 inch/rev
K1.2 - Gray iron, ferritic-pearlitic or pearlitic with a hardness of 180 - 240HB	help_outline Primary use	148 ft/min	0.0026 inch/rev
K1.3 - Gray iron, pearlitic with a hardness of 240 - 280HB	help_outline Primary use	112 ft/min	0.0026 inch/rev

K2

K2 - Malleable iron (GTS/GTW) (heat-treated iron-carbon castings with a graphite-free microstructure)

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	Suitability	v_c	f
K2.1 - Malleable iron, ferritic with a hardness of < 160HB	help_outline Primary use	354 ft/min	0.0026 inch/rev
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Primary use	289 ft/min	0.0026 inch/rev
K2.3 - Malleable iron, pearlitic with a hardness of 200 - 240HB	help_outline Primary use	230 ft/min	0.0021 inch/rev

K3

K3 - Ductile iron (GGG) (iron-carbon castings with a nodular graphite microsturcture)

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	Suitability	v_c	f
K3.1 - Ductile (nodular/spheriodal) iron, ferritic with a hardness of < 180HB	help_outline Primary use	315 ft/min	0.0026 inch/rev
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Primary use	240 ft/min	0.0026 inch/rev
K3.3 - Ductile (nodular/spheriodal) iron, pearlitic with a hardness of 220 - 260HB	help_outline Primary use	194 ft/min	0.0021 inch/rev

K4

K4 - Austenitic or austempered ductile iron (Ni-Resist/ADI) (iron-carbon alloy castings with an austenitic or ausferrite microstructure)

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	Suitability	v_c	f
K4.1 - Austenitic cast iron with a hardness of < 180HB	help_outline Primary use	292 ft/min	0.0021 inch/rev
K4.2 - Austenitic cast iron with a hardness of 180 - 240HB	help_outline Primary use	220 ft/min	0.0021 inch/rev
K4.3 - Austempered ductile iron with a hardness of 240 - 280HB	help_outline Primary use	161 ft/min	0.0021 inch/rev
K4.4 - Austempered ductile iron with a hardness of 280 - 320HB	help_outline Primary use	138 ft/min	0.0018 inch/rev
K4.5 - Austempered ductile iron with a hardness of 320 - 360HB	help_outline Primary use	115 ft/min	0.0018 inch/rev

K5

K5 - Compacted graphite iron (CGI) (iron-carbon castings with a vermicular graphite structure)

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	Suitability	v_c	f
K5.1 - Vermicular, compacted graphite iron with a hardness of < 180HB	help_outline Primary use	328 ft/min	0.0021 inch/rev
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Primary use	249 ft/min	0.0021 inch/rev
K5.3 - Vermicular, compacted graphite iron with a hardness of 220 - 260HB	help_outline Primary use	190 ft/min	0.0021 inch/rev

N - Non-ferrous metals (metals including alloys without an appreciable amount of iron)

N3

N3 - Copper or copper alloys

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	Suitability	v_c	f
N3.1 - Free-cutting copper-alloys materials with excellent machining properties	help_outline Primary use	305 ft/min	0.0026 inch/rev
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	180 ft/min	0.0026 inch/rev

S - High-temperature alloys (superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel)

S1

S1 - Titanium or titanium alloys

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	Suitability	v_c	f
S1.1 - Titanium or titanium alloys, with a hardness of <200HB	help_outline Possible use	151 ft/min	0.0021 inch/rev
S1.2 - Titanium alloys, with a hardness of 200 - 280HB	help_outline Primary use	121 ft/min	0.0021 inch/rev
S1.3 - Titanium alloys, a hardness of 280 - 360HB	help_outline Primary use	52 ft/min	0.0018 inch/rev

S2

S2 - Fe-based high-temperature alloys

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	Suitability	v_c	f
S2.1 - High-temperature Fe-based alloys with a hardness of <200HB	help_outline Primary use	118 ft/min	0.0018 inch/rev
S2.2 - High-temperature Fe-based alloys with a hardness of 200-280HB	help_outline Primary use	52 ft/min	0.0018 inch/rev

S3

S3 - Ni-based high-temperature alloys

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	Suitability	v_c	f
S3.1 - High-temperature Ni-based alloys with a hardness of <280HB	help_outline Primary use	89 ft/min	0.0018 inch/rev
S3.2 - High-temperature Ni-based alloys with a hardness of 280 - 360HB	help_outline Primary use	36 ft/min	0.0018 inch/rev

S4

S4 - Co-based high-temperature alloys

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	Suitability	v_c	f
S4.1 - High-temperature Co-based alloys with a hardness of <240HB	help_outline Primary use	69 ft/min	0.0018 inch/rev
S4.2 - High-temperature Co-based alloys with a hardness of 240 - 320HB	help_outline Primary use	30 ft/min	0.0018 inch/rev