HIGH FEED 4 Flute 0°Helix Stub Corner Radius Mill (G8B59)

High Feed Corner Radius for HRc45–70

HIGH FEED 4 Flute 0°Helix Stub Corner Radius Mill (G8B59)
$97.97 INC GST $89.07 EX GST
SKU
G8B5902005
P H

Key features

  • Use hydraulic, shrink, HP3/GSK, or power milling chucks
  • Heat resistance to 1400°
  • Strong negative land for high hardness machining
Mill Diameter (mm)
Corner Radius (mm)
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South Korea Made in South Korea
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SKUMill Diameter (mm)Corner Radius (mm)Overall length (mm)Shank dia. (mm)Length of cut (mm)Length below shank (mm)Neck dia. (mm)Stock Price Qty Add
G8B59020052.0R0.550.06.01.06.01.8 1-2 Weeks $89.07
G8B59030053.0R0.550.06.01.28.02.8 1-2 Weeks $89.07
G8B59040054.0R0.550.06.01.510.03.8 In stock $89.10
G8B59060056.0R0.560.06.02.512.05.4 Restocking est 1 Dec 2026 $89.10
G8B59060106.0R1.060.06.02.512.05.4 In stock $89.10
G8B59080108.0R1.060.08.03.516.07.2 1-2 Weeks $113.90
G8B59080208.0R2.060.08.03.516.07.2 1-2 Weeks $136.80
G8B591001010.0R1.070.010.04.020.09.0 Low stock $170.00
G8B591002010.0R2.070.010.04.020.09.0 1-2 Weeks $170.00
G8B591202012.0R2.080.012.05.025.011.0 1-2 Weeks $234.70
G8B591203012.0R3.080.012.05.025.011.0 Low stock $234.70

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  • Overview
  • Specifications
  • Operation
  • Work Material
  • Reviews
Product Description

The YG-1 G8B59 X5070 Blue cutter is a 4 flute 0°Helix stub corner radius mill. Special high feed geometry delivers very high metal removal on prehardened and hardened steels. Nanograin carbide with silicone based coating supports dry machining to 1400°c and HRc70. Reduced clearance angles and short flutes increase strength for high speed roughing and finishing.

  • Use hydraulic, shrink, HP3/GSK, or power milling chucks
  • Heat resistance to 1400°
  • Strong negative land for high hardness machining
  • High abrasion resistance and mirror surface finish
  • Diameters 2mm–12mm
Product Data
Workpiece Material P H
Corner Radius Tolerance 0.005
Cutting Shape Corner Radius, Roughing
Hardened Steels(HRc40~45) Great
Helix Angle Square 0
Length Regular
No. Flutes 4
Operation Corner, Die Sinking, Facing, Helical-Interpol, Side Milling, Slotting, Small Part
Shank Type Plain
Surface Treatment YG-1 Blue Coating
Tool Material Carbide
Flutes 4
Helix Angle 0°
Cutting Edge Shape Corner Radius
Size Min D2.0
Size Max D12.0
Length

High Feed
Coating Blue Coating

Side Milling
Small Part
Slotting
Die Sinking
Facing
Corner
Helical Interpol
P Prehardened Steels

Great

Good Great Excellent
H Hardened Steels (HRc40~45)

Great

Good Great Excellent
H Hardened Steels (HRc45~55)

Excellent

Good Great Excellent
H High Hardened Steels (HRc55~70)

Excellent

Good Great Excellent
P

Non-alloy steel

Good Good
HRc
32
HB
300
P

Low alloy steel

Good Good
HRc
3238
HB
300350
P

High alloy & tool steel

Good Good
HRc
35
HB
325
H

Hardened steels & cast irons

Excellent Excellent
HRc
38394041
HB
400630

Video

X5070 Endmills

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Resources

Understanding the Basics of Endmills

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