2-Flute · Uncoated · R2mm Ball · Aluminium · Standard Reach

4mm 2-Flute Uncoated Solid Carbide Ball Nose End Millfor Aluminium & Non-Ferrous 3D Surface Machining

Uncoated (bright-polished) ball nose end mills with 2 flutes are specifically optimised for high-speed 3D contouring in aluminium alloys, copper, graphite, and soft non-ferrous materials. The mirror-polished flute surface prevents built-up edge (BUE) that can degrade surface finish in soft metals. Large chip gullets ensure complete swarf evacuation even at spindle speeds above 20,000 RPM. Ideal for electrode machining (EDM graphite) and aluminium aerospace structural components.

R2mm BallD1 4mmL2 15mmD2 4mmOAL 75mm2 FlutesUncoatedNon-FerrousStandard ReachMOQ 1 pc

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Richtpreis

10,11 €

Richtpreis Werk (EUR)

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

Uncoated · 2 Flute · Aluminium

R2mm 2F Uncoated Ball Nose EM

L2 15mm · D2 4mm · OAL 75mm

Standard Reach · Aluminium

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✓ Factory direct pricing

✓ MOQ 1 piece, ships 1–5 days

✓ Custom ball radii available

Full Dimensions

Technical Specifications

Ball Radius (R)2 mm
Cutter Diameter (D1 h7)4 mm
Flute Length (L2)15 mm
Shank Diameter (D2 h6)4 mm
Overall Length (L1)75 mm
Number of Flutes2
End GeometryBall Nose (Spherical)
CoatingUncoated Bright polished
Max Material HardnessN/A (non-ferrous optimised)
Reach CategoryStandard (L1/D1 = 18.8×)
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 · 2 Flute · Aluminium

R2mm 2-flute Uncoated solid carbide ball nose end mill — L2=15mm OAL=75mm
Ball R
2mm
D1 h7
4mm
L2
15mm
D2 h6
4mm
L1
75mm
Reach
Standard

Where This Tool Excels

R2mm Uncoated 2F — Recommended Applications

  • ▸Mould cavity 3D finishing and detail contouring
  • ▸Aerospace turbine blade fillet machining
  • ▸Die casting insert surface finishing
  • ▸Medical device complex surface profiling
Machining Tip: R2mm is the most popular size for die and mould work. In aluminium alloy, use 5–10% D1 step-over for semi-finishing, 2–5% for finishing. Feed rate 0.02–0.06 mm/tooth; adjust to keep scallop height ≤ 0.005mm for polishing-free finish.

3D Finishing Reference

Scallop Height vs Step-Over — R2mm

Residual scallop height (cusps) between adjacent tool paths, calculated for R2mm ball nose:

Step-OverStep-Over mmScallop Height (µm)Typical Ra (µm)
2% D10.080.4≈ 0.08
5% D10.202.5≈ 0.50
8% D10.326.4≈ 1.28
10% D10.4010.0≈ 2.01
15% D10.6022.6≈ 4.53
20% D10.8040.4≈ 8.08

h = R − √(R² − (ae/2)²). Actual Ra depends on feed rate, chip load, and material.

ISO N

Coating Performance

Uncoated — Why It Works for Ball-End Machining

  • ▸Mirror-polished flute — zero aluminium adhesion on ball profile
  • ▸Eliminates built-up edge (BUE) during high-speed aluminium contouring
  • ▸Large chip gullets for clean swarf evacuation at 20,000+ RPM
  • ▸Ideal for graphite electrode and EDM insert 3D profiles
  • ▸Use with air blast or light oil mist — no flood coolant needed

Related Ball Nose Variants

Same Size in Other Coatings

TiSiN · 2 Flute · HRC55
TiSiN · 2 Flute · HRC55
HRC55 · 2F · R2mm
TiSiN · 4 Flute · HRC55
TiSiN · 4 Flute · HRC55
HRC55 · 4F · R2mm
nACo · 2 Flute · HRC65
nACo · 2 Flute · HRC65
HRC65 · 2F · R2mm

Same Ball Radius, Different Reach

R2mm Uncoated · 2 Flute · Aluminium — Other Flute Lengths

L2 10mm
OAL 50mm · Standard
L2 20mm
OAL 100mm · Standard
R2mm / L2 10mm← All Ball Nose End MillsR2mm / L2 20mm

Order R2mm 2-Flute Uncoated Ball Nose Today

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

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