16mm 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 16mmL2 45mmD2 16mmOAL 150mm4 FlutesUncoatedNon-FerrousStandard ReachMOQ 1 pc

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Cena referencyjna

1211,28 zł

Cena ref. fabryki (PLN)

wg kosztu pręta na 2026-03-31. Wycena końcowa może się różnić.

Uncoated · 4 Flute · Aluminium

16mm 4F R2mm Uncoated

L2 45mm · D2 16mm · OAL 150mm

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)16 mm
Flute Length (L2)45 mm
Shank Diameter (D2 h6)16 mm
Overall Length (L1)150 mm
Number of Flutes4
End GeometryCorner Radius (Bull Nose)
CoatingUncoated Bright polished
Max Material HardnessN/A (non-ferrous optimised)
Reach CategoryStandard (L1/D1 = 9.4×)
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

16mm 4-flute R2mm Uncoated corner radius end mill — L2=45mm OAL=150mm
Corner R
2mm
D1 h7
16mm
L2
45mm
D2 h6
16mm
L1
150mm
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.

16mm Uncoated — Where This Tool Fits

  • Large die base and plate shoulder milling
  • Heavy-duty structural pocket machining
  • Pressure vessel and flange features
  • Mining and energy equipment pockets
Machining Tip: ø16mm corner radius end mills generate high cutting forces. Minimum spindle power 15 kW in aluminium alloy. The corner radius at this scale carries a significant load — ensure machine toolpath generates consistent chip load using adaptive CAM strategies.

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

Uncoated · 4 Flute · Aluminium — Other Corner Radii at ø16mm

ø16mm R2mm / L2 45mm — Other Variants

Order 16mm R2mm 4-Flute Uncoated Today

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