10mm 4-Flute R2mm Uncoated Solid Carbide Corner Radius End Millfor Aluminium & Non-Ferrous Fillet Milling

Uncoated (bright-polished) corner radius end mills are optimised for aluminium alloys, copper, brass, and graphite — any material where coatings cause adhesion. The corner radius produces clean fillet radii in pockets and profiles without a separate deburring step. Polished flute surfaces prevent built-up edge (BUE) that would otherwise ridge the fillet radius in soft metals. 4 flutes maximise feed rate and achieve Ra < 0.8µm in aluminium at high spindle speeds. Radius options from R0.2–R2.5mm cover all standard fillet requirements.

R2mmD1 10mmL2 25mmD2 10mmOAL 75mm4 FlutesUncoatedNon-FerrousStandard ReachMOQ 1 pc

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Reference price

$64.43

Ref. factory price (USD)

Based on rod stock cost as of 2026-03-31. Final quotation may differ.

Uncoated · 4 Flute · Aluminium

10mm 4F R2mm Uncoated

L2 25mm · D2 10mm · OAL 75mm

Standard Reach · Aluminium

✓ Factory direct pricing

✓ MOQ 1 piece, ships 1–5 days

✓ Custom radius in 0.1mm increments

Technical Specifications

Corner Radius2 mm
Cutter Diameter (D1 h7)10 mm
Flute Length (L2)25 mm
Shank Diameter (D2 h6)10 mm
Overall Length (L1)75 mm
Number of Flutes4
End GeometryCorner Radius (Bull Nose)
CoatingUncoated Bright polished
Max Material HardnessN/A (non-ferrous optimised)
Reach CategoryStandard (L1/D1 = 7.5×)
Helix Angle30°–35°
SubstrateK10/K20 Ultra-Fine Grain Carbide
Shank Toleranceh6
MOQ1 piece
Lead Time (standard)1–5 business days
Lead Time (custom)5–15 business days

Uncoated · 4 Flute · Aluminium · R2mm

10mm 4-flute R2mm Uncoated corner radius end mill — L2=25mm OAL=75mm
Corner R
2mm
D1 h7
10mm
L2
25mm
D2 h6
10mm
L1
75mm
Reach
Standard

Heavy-corner fillet for energy, marine, and structural components

  • Produces R2mm fillets without interpolation — direct plunge-to-shoulder possible
  • Widely used in wind turbine nacelle components and frame pockets
  • Reduces stress concentration on R2mm structural fillets vs machined-in ball nose
  • Long-reach variants for deep pocket access (L1 up to 150mm)
Radius Selection Tip: R2mm at this tool diameter means a significant portion of the cutting edge is curved. In aluminium alloy, reduce feed rate 10–15% vs R1mm to maintain consistent chip load across the radius. Trochoidal milling strategies work well for R2mm pocketing.

10mm Uncoated — Where This Tool Fits

  • Automotive component shoulder milling
  • Pump body and valve pocket features
  • Gearbox cover profiling
  • Large mould runner channel machining
Machining Tip: ø10mm is the production sweet spot for corner radius end mills. In aluminium alloy, radial engagement can be 30–50% of D for profiling, with DOC up to 1×D for semi-finish passes. The corner radius reduces chatter significantly at this diameter.

Uncoated on Corner Radius Geometry

  • Mirror-polished corner geometry — zero aluminium adhesion on curved arc
  • Eliminates BUE that would deform fillet radius in soft alloys
  • Clean fillet radii in aluminium — no post-milling deburring required
  • Works in copper, brass, graphite, and CFRP composite materials
  • Use with air blast or light oil mist at 10,000–30,000 RPM
ISO Nuncoated corner radius end mill aluminiumbull nose end mill non-ferrous4 flute radius end mill aluminiumcorner radius carbide end mill copper brass

ø10mm R2mm Uncoated · 4 Flute · Aluminium — Other Flute Lengths

Uncoated · 4 Flute · Aluminium — Other Corner Radii at ø10mm

ø10mm R2mm / L2 25mm — Other Variants

Order 10mm R2mm 4-Flute Uncoated Today

Factory direct. MOQ 1 piece. Pricing confirmed within 4 hours.