• Korloy U-Star 4 Flute Radius End Mill UR504
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Korloy U-Star 4 Flute Radius End Mill UR504

Korloy U-Star 4 Flute Radius End Mill UR504

Solid carbide end mill of the U-Star series for mold and die machining of HRC30~50 medium hardness steel and die steel.

Key features

  • Carbide substrate for medium hardness steel cutting
  • AlCrN based multilayer coating for wear and oxidation resistance
  • S-curved gash shape disperses cutting force
  • Helix angle 40°
  • Radius tolerance ±0.02 (Corner R)
  • h5 shank tolerance

Specifications

Series line U-Star End Mill
Flutes 4
Coating AlCrN
Helix angle 40°
ØD tolerance Ø3~Ø20: 0~-0.03mm
Shank tolerance h5
Radius tolerance ±0.02 (Corner R)
Workpiece (excellent) Alloy steel HB225~325, Pre-hardened steel HRC30~50
Workpiece (good) Hardened steel SKD61~HRC55, Cast iron ~FCD500
UR50403002 R (mm): 0.2 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403002S4 R (mm): 0.2 | ØD (mm): 3 | Ød (mm): 4 | ℓ (mm): 8 | L (mm): 60
UR50403003 R (mm): 0.3 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403005 R (mm): 0.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403005S4 R (mm): 0.5 | ØD (mm): 3 | Ød (mm): 4 | ℓ (mm): 8 | L (mm): 60
UR50404002 R (mm): 0.2 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404002S4 R (mm): 0.2 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50404003 R (mm): 0.3 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404005 R (mm): 0.5 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404005S4 R (mm): 0.5 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50404010 R (mm): 1 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404010S4 R (mm): 1 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50405002 R (mm): 0.2 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405003 R (mm): 0.3 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405003060 R (mm): 0.3 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 60
UR50405005 R (mm): 0.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405005060 R (mm): 0.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 60
UR50405010 R (mm): 1 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50406002 R (mm): 0.2 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50406003 R (mm): 0.3 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406003060 R (mm): 0.3 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50406005 R (mm): 0.5 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406005060 R (mm): 0.5 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50406010 R (mm): 1 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406010060 R (mm): 1 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50408003 R (mm): 0.3 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408003070 R (mm): 0.3 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408005 R (mm): 0.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408005070 R (mm): 0.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408010 R (mm): 1 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408010070 R (mm): 1 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408015 R (mm): 1.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408020 R (mm): 2 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50410003 R (mm): 0.3 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410003075 R (mm): 0.3 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410005 R (mm): 0.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410005075 R (mm): 0.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410010 R (mm): 1 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410010075 R (mm): 1 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410015 R (mm): 1.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410020 R (mm): 2 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410025 R (mm): 2.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50412003 R (mm): 0.3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412003080 R (mm): 0.3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412005 R (mm): 0.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412005080 R (mm): 0.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412010 R (mm): 1 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412010080 R (mm): 1 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412015 R (mm): 1.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412020 R (mm): 2 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412025 R (mm): 2.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412030 R (mm): 3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50416005 R (mm): 0.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416005100 R (mm): 0.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416010 R (mm): 1 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416010100 R (mm): 1 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416015 R (mm): 1.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416015100 R (mm): 1.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416020 R (mm): 2 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416020100 R (mm): 2 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50420005 R (mm): 0.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420005100 R (mm): 0.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420010 R (mm): 1 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420010100 R (mm): 1 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420015 R (mm): 1.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420015100 R (mm): 1.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420020 R (mm): 2 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420020100 R (mm): 2 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
End MillsKorloy
68 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Korloy U-Star 4 Flute Radius End Mill UR504

Brand Korloy·End Mills

Available part numbers (68)

UR50403002, UR50403002S4, UR50403003, UR50403005, UR50403005S4, UR50404002, UR50404002S4, UR50404003, UR50404005, UR50404005S4 + 58 more — see full table ↓

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Product codes & specifications
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Product codeSpec
UR50403002R (mm): 0.2 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403002S4R (mm): 0.2 | ØD (mm): 3 | Ød (mm): 4 | ℓ (mm): 8 | L (mm): 60
UR50403003R (mm): 0.3 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403005R (mm): 0.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ (mm): 8 | L (mm): 60
UR50403005S4R (mm): 0.5 | ØD (mm): 3 | Ød (mm): 4 | ℓ (mm): 8 | L (mm): 60
UR50404002R (mm): 0.2 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404002S4R (mm): 0.2 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50404003R (mm): 0.3 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404005R (mm): 0.5 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404005S4R (mm): 0.5 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50404010R (mm): 1 | ØD (mm): 4 | Ød (mm): 6 | ℓ (mm): 10 | L (mm): 70
UR50404010S4R (mm): 1 | ØD (mm): 4 | Ød (mm): 4 | ℓ (mm): 10 | L (mm): 70
UR50405002R (mm): 0.2 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405003R (mm): 0.3 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405003060R (mm): 0.3 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 60
UR50405005R (mm): 0.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50405005060R (mm): 0.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 60
UR50405010R (mm): 1 | ØD (mm): 5 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50406002R (mm): 0.2 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 13 | L (mm): 90
UR50406003R (mm): 0.3 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406003060R (mm): 0.3 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50406005R (mm): 0.5 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406005060R (mm): 0.5 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50406010R (mm): 1 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 90
UR50406010060R (mm): 1 | ØD (mm): 6 | Ød (mm): 6 | ℓ (mm): 15 | L (mm): 60
UR50408003R (mm): 0.3 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408003070R (mm): 0.3 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408005R (mm): 0.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408005070R (mm): 0.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408010R (mm): 1 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408010070R (mm): 1 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 70
UR50408015R (mm): 1.5 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50408020R (mm): 2 | ØD (mm): 8 | Ød (mm): 8 | ℓ (mm): 20 | L (mm): 100
UR50410003R (mm): 0.3 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410003075R (mm): 0.3 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410005R (mm): 0.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410005075R (mm): 0.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410010R (mm): 1 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410010075R (mm): 1 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 75
UR50410015R (mm): 1.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410020R (mm): 2 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50410025R (mm): 2.5 | ØD (mm): 10 | Ød (mm): 10 | ℓ (mm): 25 | L (mm): 100
UR50412003R (mm): 0.3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412003080R (mm): 0.3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412005R (mm): 0.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412005080R (mm): 0.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412010R (mm): 1 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412010080R (mm): 1 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 80
UR50412015R (mm): 1.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412020R (mm): 2 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412025R (mm): 2.5 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50412030R (mm): 3 | ØD (mm): 12 | Ød (mm): 12 | ℓ (mm): 30 | L (mm): 110
UR50416005R (mm): 0.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416005100R (mm): 0.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416010R (mm): 1 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416010100R (mm): 1 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416015R (mm): 1.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416015100R (mm): 1.5 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50416020R (mm): 2 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 150
UR50416020100R (mm): 2 | ØD (mm): 16 | Ød (mm): 16 | ℓ (mm): 32 | L (mm): 100
UR50420005R (mm): 0.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420005100R (mm): 0.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420010R (mm): 1 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420010100R (mm): 1 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420015R (mm): 1.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420015100R (mm): 1.5 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100
UR50420020R (mm): 2 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 150
UR50420020100R (mm): 2 | ØD (mm): 20 | Ød (mm): 20 | ℓ (mm): 38 | L (mm): 100

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