20mm 4-Flute TiSiN Solid Carbide Square End Millfor HRC55 Steel & Stainless

TiSiN (Titanium Silicon Nitride) coating provides excellent heat resistance and hardness up to 3,500 HV — ideal for dry or near-dry cutting in steel, stainless steel, and cast iron up to HRC55. The 4-flute geometry maximises radial contact and surface finish in profiling, shoulder milling, and finishing passes. Walter CNC 5-axis grinding ensures precise corner geometry and equal pitch between flutes.

D1 20mmL2 70mmD2 20mmOAL 150mm4 FlutesTiSiN CoatingHRC55Standard ReachMOQ 1 pc

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Cena referencyjna

1874,20 zł

Cena ref. fabryki (PLN)

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

TiSiN · 4 Flute · HRC55

20mm 4F TiSiN Square EM

L2 70mm · D2 20mm · OAL 150mm

Standard Reach · HRC55

✓ Factory direct pricing

✓ MOQ 1 piece, ships 1–5 days

✓ Custom OAL and helix available

Technical Specifications

Cutter Diameter (D1 h7)20 mm
Flute Length (L2)70 mm
Shank Diameter (D2 h6)20 mm
Overall Length (L1)150 mm
Number of Flutes4
CoatingTiSiN Titanium Silicon Nitride
Max Material HardnessHRC55
Reach CategoryStandard (L1/D1 = 7.5×)
Helix Angle30°–45° (application dependent)
End GeometrySquare (flat end)
SubstrateK10/K20 Ultra-Fine Grain Carbide
Shank Toleranceh6
MOQ1 piece
Lead Time (standard)1–5 business days
Lead Time (custom)5–15 business days

TiSiN · 4 Flute · HRC55

20mm 4-flute TiSiN solid carbide square end mill — L2=70mm OAL=150mm
D1 h7
20mm
L2
70mm
D2 h6
20mm
L1
150mm
Flutes
4
Reach
Standard

20mm TiSiN 4F — Recommended Applications

  • Heavy mould base and plate machining
  • Large structural steel profiling
  • Pressure vessel and flange features
  • Mining and energy equipment components
Machining Tip: At ø20mm, chip load per tooth should be verified against machine spindle power (minimum 15 kW recommended in HRC55 steel). Use high-feed circular interpolation entry (helical ramp) to avoid plunging at full width.

TiSiN — Why It Works

  • TiSiN hardness > 3,500 HV — superior to TiAlN
  • Excellent thermal stability in steel and stainless
  • Low friction coefficient reduces cutting temperature
  • Suitable for dry, MQL, or flood coolant environments
ISO PISO MISO K4 flute TiSiN square end millcarbide end mill HRC55 steelsquare end mill stainless steel4 flute solid carbide end mill

ø20mm TiSiN · 4 Flute · HRC55 — Other Flute Lengths

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