P
Non-alloy steel
HRc
32
HB
300
P
Low alloy steel
HRc
3238
HB
300350
P
High alloy & tool steel
HRc
35
HB
325
H
Hardened steels & cast irons
HRc
38394041
HB
400630
X5070 4 Flute 30°Helix Corner Radius End Mill (G8B08)
4-Flute Corner-Radius Extended-Neck for HRc45–70
$106.15
INC GST
$96.50
EX GST
Price available on request
Unit price per
- SKU
- G8B0806005090
Key features
- Extended/relieved neck for deep slotting
- Corner radius for chipping resistance
- Dry machining in steels and hardened steels < HRc70
Made in South Korea
Free standard delivery on orders over
$500.
If you're not 100% happy with your purchase, we'll replace or refund.
| SKU | Mill 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| G8B0806005090 | 6.0 | R0.5 | 90.0 | 6.0 | 9.0 | 20.0 | 5.85 | Restocking est 1 Dec 2026 | $96.50 | ||
| G8B0806010090 | 6.0 | R1.0 | 90.0 | 6.0 | 9.0 | 20.0 | 5.85 | In stock | $96.50 | ||
| G8B0808005100 | 8.0 | R0.5 | 100.0 | 8.0 | 12.0 | 25.0 | 7.7 | Low stock | $125.90 | ||
| G8B0808010100 | 8.0 | R1.0 | 100.0 | 8.0 | 12.0 | 25.0 | 7.7 | Low stock | $119.90 | ||
| G8B0810005100 | 10.0 | R0.5 | 100.0 | 10.0 | 15.0 | 32.0 | 9.7 | 1-2 Weeks | $185.20 | ||
| G8B0810010100 | 10.0 | R1.0 | 100.0 | 10.0 | 15.0 | 32.0 | 9.7 | Restocking est 30 Sep 2026 | $185.20 | ||
| G8B0810020100 | 10.0 | R2.0 | 100.0 | 10.0 | 15.0 | 32.0 | 9.7 | Low stock | $185.20 | ||
| G8B0812005110 | 12.0 | R0.5 | 110.0 | 12.0 | 18.0 | 38.0 | 11.7 | Low stock | $270.20 | ||
| G8B0812010110 | 12.0 | R1.0 | 110.0 | 12.0 | 18.0 | 38.0 | 11.7 | 1-2 Weeks | $270.20 | ||
| G8B0812020110 | 12.0 | R2.0 | 110.0 | 12.0 | 18.0 | 38.0 | 11.7 | Low stock | $270.20 |
Add X5070 4 Flute 30°Helix Corner Radius End Mill (G8B08) to comparison
View Comparison- Overview
- Specifications
- Operation
- Work Material
- Reviews
Product Description
YG-1 G8B08 X5070 Blue is a 4 flute 30° helix corner radius end mill. An extended, relieved neck supports accurate finishing and profiling, with deep slotting capability. Nanograin carbide substrate with blue silicone based coating enables dry machining to 1400°c. Designed for steels, heat resistant steels, and hardened steels up to HRc70 at extreme speeds.
- Extended/relieved neck for deep slotting
- Corner radius for chipping resistance
- Dry machining in steels and hardened steels < HRc70
- Use hydraulic, shrink, HP3/GSK, or power milling chucks
- Diameters 6mm–12mm
Product Data
| Workpiece Material | P H |
| Corner Radius Tolerance | 0.01, 0.015 |
| Cutting Shape | Corner Radius |
| Hardened Steels(HRc40~45) | Great |
| Helix Angle | Square 30 |
| Length | Extended Neck |
| 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 | 30° |
| Cutting Edge Shape | Corner Radius |
| Size Min | D6.0 |
| Size Max | D12.0 |
| Length | Extended Neck |
| Coating | Blue Coating |
Side Milling
Small Part
Slotting
Die Sinking
Facing
Corner
Helical Interpol
Prehardened Steels
Great
Good
Great
Excellent
Hardened Steels (HRc40~45)
Great
Good
Great
Excellent
Hardened Steels (HRc45~55)
Excellent
Good
Great
Excellent
High Hardened Steels (HRc55~70)
Excellent
Good
Great
Excellent
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- Send direct
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