• Korloy H-Star 4 Flute 15° Helix Ball End Mill ESB734
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Korloy H-Star 4 Flute 15° Helix Ball End Mill ESB734

Korloy H-Star 4 Flute 15° Helix Ball End Mill ESB734

Solid carbide end mill of the H-Star series for high speed and high hardness machining (HRC50~63).

Key features

  • Ultra-fine WC + Co 9% high hardness substrate
  • AlTiN coating for wear and frictional heat resistance
  • Edge treatment for chipping resistance in hardened steel
  • Helix angle 15°
  • Radius tolerance ±0.005 (R3 or Under); ±0.008 (Above R3)
  • h5 shank tolerance

Specifications

Series line H-Star End Mill
Flutes 4
Coating AlTiN
Helix angle 15°
ØD tolerance All sizes: 0~-0.012mm
Shank tolerance h5
Radius tolerance ±0.005 (R3 or Under); ±0.008 (Above R3)
Workpiece (excellent) Hardened steel SKD61~HRC55, Hardened steel SKD11 HRC55~63
Workpiece (good) Pre-hardened steel HRC30~50, Copper
ESB734020-2.5 R (mm): 1 | ØD (mm): 2 | Ød (mm): 4 | ℓ1 (mm): 2 | ℓ2 (mm): 25 | θ (deg): 2.5 | L (mm): 60
ESB734020-3.5 R (mm): 1 | ØD (mm): 2 | Ød (mm): 4 | ℓ1 (mm): 2 | ℓ2 (mm): 18 | θ (deg): 3.5 | L (mm): 60
ESB734025-2.5 R (mm): 1.25 | ØD (mm): 2.5 | Ød (mm): 4 | ℓ1 (mm): 3 | ℓ2 (mm): 20 | θ (deg): 2.5 | L (mm): 60
ESB734025-3.0 R (mm): 1.25 | ØD (mm): 2.5 | Ød (mm): 4 | ℓ1 (mm): 3 | ℓ2 (mm): 17 | θ (deg): 3 | L (mm): 60
ESB734030-2.0 R (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 3 | ℓ2 (mm): 46 | θ (deg): 2 | L (mm): 70
ESB734030-2.5 R (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 3 | ℓ2 (mm): 37 | θ (deg): 2.5 | L (mm): 70
ESB734040-2.0 R (mm): 2 | ØD (mm): 4 | Ød (mm): 6 | ℓ1 (mm): 4 | ℓ2 (mm): 33 | θ (deg): 2 | L (mm): 70
ESB734040-2.5 R (mm): 2 | ØD (mm): 4 | Ød (mm): 6 | ℓ1 (mm): 4 | ℓ2 (mm): 27 | θ (deg): 2.5 | L (mm): 70
ESB734050-2.5 R (mm): 2.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ1 (mm): 5 | ℓ2 (mm): 16 | θ (deg): 2.5 | L (mm): 70
ESB734060-1.5 R (mm): 3 | ØD (mm): 6 | Ød (mm): 8 | ℓ1 (mm): 6 | ℓ2 (mm): 44 | θ (deg): 1.5 | L (mm): 100
ESB734060-2.5 R (mm): 3 | ØD (mm): 6 | Ød (mm): 8 | ℓ1 (mm): 6 | ℓ2 (mm): 29 | θ (deg): 2.5 | L (mm): 100
ESB734080-1.5 R (mm): 4 | ØD (mm): 8 | Ød (mm): 10 | ℓ1 (mm): 8 | ℓ2 (mm): 46 | θ (deg): 1.5 | L (mm): 100
ESB734080-2.5 R (mm): 4 | ØD (mm): 8 | Ød (mm): 10 | ℓ1 (mm): 8 | ℓ2 (mm): 31 | θ (deg): 2.5 | L (mm): 100
ESB734100-1.5 R (mm): 5 | ØD (mm): 10 | Ød (mm): 12 | ℓ1 (mm): 10 | ℓ2 (mm): 48 | θ (deg): 1.5 | L (mm): 110
ESB734100-2.5 R (mm): 5 | ØD (mm): 10 | Ød (mm): 12 | ℓ1 (mm): 10 | ℓ2 (mm): 33 | θ (deg): 2.5 | L (mm): 110
Ball End MillsKorloy
15 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Korloy H-Star 4 Flute 15° Helix Ball End Mill ESB734

Brand Korloy·Ball End Mills

Available part numbers (15)

ESB734020-2.5, ESB734020-3.5, ESB734025-2.5, ESB734025-3.0, ESB734030-2.0, ESB734030-2.5, ESB734040-2.0, ESB734040-2.5, ESB734050-2.5, ESB734060-1.5 + 5 more — see full table ↓

How to order

Send the Korloy part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
ESB734020-2.5R (mm): 1 | ØD (mm): 2 | Ød (mm): 4 | ℓ1 (mm): 2 | ℓ2 (mm): 25 | θ (deg): 2.5 | L (mm): 60
ESB734020-3.5R (mm): 1 | ØD (mm): 2 | Ød (mm): 4 | ℓ1 (mm): 2 | ℓ2 (mm): 18 | θ (deg): 3.5 | L (mm): 60
ESB734025-2.5R (mm): 1.25 | ØD (mm): 2.5 | Ød (mm): 4 | ℓ1 (mm): 3 | ℓ2 (mm): 20 | θ (deg): 2.5 | L (mm): 60
ESB734025-3.0R (mm): 1.25 | ØD (mm): 2.5 | Ød (mm): 4 | ℓ1 (mm): 3 | ℓ2 (mm): 17 | θ (deg): 3 | L (mm): 60
ESB734030-2.0R (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 3 | ℓ2 (mm): 46 | θ (deg): 2 | L (mm): 70
ESB734030-2.5R (mm): 1.5 | ØD (mm): 3 | Ød (mm): 6 | ℓ1 (mm): 3 | ℓ2 (mm): 37 | θ (deg): 2.5 | L (mm): 70
ESB734040-2.0R (mm): 2 | ØD (mm): 4 | Ød (mm): 6 | ℓ1 (mm): 4 | ℓ2 (mm): 33 | θ (deg): 2 | L (mm): 70
ESB734040-2.5R (mm): 2 | ØD (mm): 4 | Ød (mm): 6 | ℓ1 (mm): 4 | ℓ2 (mm): 27 | θ (deg): 2.5 | L (mm): 70
ESB734050-2.5R (mm): 2.5 | ØD (mm): 5 | Ød (mm): 6 | ℓ1 (mm): 5 | ℓ2 (mm): 16 | θ (deg): 2.5 | L (mm): 70
ESB734060-1.5R (mm): 3 | ØD (mm): 6 | Ød (mm): 8 | ℓ1 (mm): 6 | ℓ2 (mm): 44 | θ (deg): 1.5 | L (mm): 100
ESB734060-2.5R (mm): 3 | ØD (mm): 6 | Ød (mm): 8 | ℓ1 (mm): 6 | ℓ2 (mm): 29 | θ (deg): 2.5 | L (mm): 100
ESB734080-1.5R (mm): 4 | ØD (mm): 8 | Ød (mm): 10 | ℓ1 (mm): 8 | ℓ2 (mm): 46 | θ (deg): 1.5 | L (mm): 100
ESB734080-2.5R (mm): 4 | ØD (mm): 8 | Ød (mm): 10 | ℓ1 (mm): 8 | ℓ2 (mm): 31 | θ (deg): 2.5 | L (mm): 100
ESB734100-1.5R (mm): 5 | ØD (mm): 10 | Ød (mm): 12 | ℓ1 (mm): 10 | ℓ2 (mm): 48 | θ (deg): 1.5 | L (mm): 110
ESB734100-2.5R (mm): 5 | ØD (mm): 10 | Ød (mm): 12 | ℓ1 (mm): 10 | ℓ2 (mm): 33 | θ (deg): 2.5 | L (mm): 110

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