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







The YG-1 G8B59 series X5070 Blue ultrafine micrograin carbide cutter has a special high feed geometry offering unbelievable metal removal rates on prehardened steels, tool steels and high hardened steels. They range in diameter from 2mm-12mm. The X5070 range is designed for ultra-performance machining of steels, heat resistant steels and hardened steels up to HRc70. The nanograin substrate and silicone based coating allows for dry machining up to temperatures of 1400°c.
- Nanograin carbide substrate with blue silicone based coating.
- Dry machining in steels and hardened steel < HRc70.
- Suitable for machining at extreme cutting speeds.
- High abrasion resistance with a mirror surface finish.
- Strong negative land provides tool strength for high hardness machining.
- Ultimate tool life.
- Can cope with extreme heat (up to 1400°).
- High Speed Roughing & Finishing.
- Designed with reduced clearance angles and short flutes for strength.
- High hardness & heat resistance coating for long life in dry applications.
- To achieve the maximum performance from this tool, we recommend using a high performance tool holder (Hydraulic chuck, shrink chuck, HP3/GSK or power milling chuck).
Specifications
Flutes | 4 |
Helix Angle | 0° |
Cutting Edge Shape | Corner Radius |
Size Min | D2.0 |
Size Max | D12.0 |
Length |
High Feed |
Coating | Blue Coating |
Workpiece Material | P H |
Corner Radius Tolerance | 0.005 |
Hardened Steels(HRc40~45) | Great |
Helix Angle | Square 0 |
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 |

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Excision is now the exclusive distributor of YG-1 in Australia & New Zealand
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