16mm 4-Flute R1mm 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.

R1mmD1 16mmL2 45mmD2 16mmOAL 100mm4 FlutesUncoatedNon-FerrousStandard ReachMOQ 1 pc

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Richtpreis

187,22 €

Richtpreis Werk (EUR)

Basierend auf Stabmaterial-Stand per 2026-03-31. Endgültiges Angebot kann abweichen.

Uncoated · 4 Flute · Aluminium

16mm 4F R1mm Uncoated

L2 45mm · D2 16mm · OAL 100mm

Standard Reach · Aluminium

✓ Factory direct pricing

✓ MOQ 1 piece, ships 1–5 days

✓ Custom radius in 0.1mm increments

Technical Specifications

Corner Radius1 mm
Cutter Diameter (D1 h7)16 mm
Flute Length (L2)45 mm
Shank Diameter (D2 h6)16 mm
Overall Length (L1)100 mm
Number of Flutes4
End GeometryCorner Radius (Bull Nose)
CoatingUncoated Bright polished
Max Material HardnessN/A (non-ferrous optimised)
Reach CategoryStandard (L1/D1 = 6.3×)
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 · R1mm

16mm 4-flute R1mm Uncoated corner radius end mill — L2=45mm OAL=100mm
Corner R
1mm
D1 h7
16mm
L2
45mm
D2 h6
16mm
L1
100mm
Reach
Standard

General-purpose fillet milling — strongest corner geometry for heavy passes

  • Maximum radial support on cutting edge during heavy DOC passes
  • Ideal for semi-finish passes before a smaller-radius finishing pass
  • Produces clean R1mm fillets in one pass — no secondary operation
  • Recommended for die cast tooling, injection mould cores, and structural pockets
Radius Selection Tip: R1mm provides the highest edge strength of commonly used radii. In aluminium alloy, DOC can be increased 20–30% over R0.5mm without chatter. Use for semi-finish passes that must leave a consistent stock allowance before a ball-nose finish.

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 R1mm / L2 45mm — Other Variants

Order 16mm R1mm 4-Flute Uncoated Today

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