4-Flute · TiSiN · R0.3mm · HRC55 · Standard Reach

10mm 4-Flute R0.3mm TiSiN Solid Carbide Corner Radius End Millfor HRC55 Steel & Stainless

TiSiN-coated 4-flute corner radius end mills combine the rigidity of a square end mill with corner geometry that reduces stress concentration and micro-chipping on hardened surfaces up to HRC55. The corner radius distributes cutting load across a wider arc at entry, dramatically extending tool life versus sharp-corner tools in steel and stainless steel shoulder milling and semi-finish passes. TiSiN hardness > 3,500 HV resists abrasion at continuous contact conditions.

R0.3mmD1 10mmL2 25mmD2 10mmOAL 75mm4 FlutesTiSiNHRC55Standard ReachMOQ 1 pc

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Richtpreis

56,47 €

Richtpreis Werk (EUR)

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

TiSiN · 4 Flute · HRC55

10mm 4F R0.3mm TiSiN

L2 25mm · D2 10mm · OAL 75mm

Standard Reach · HRC55

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✓ Factory direct pricing

✓ MOQ 1 piece, ships 1–5 days

✓ Custom radius in 0.1mm increments

Full Dimensions

Technical Specifications

Corner Radius0.3 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)
CoatingTiSiN Titanium Silicon Nitride
Max Material HardnessHRC55
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

TiSiN · 4 Flute · HRC55 · R0.3mm

10mm 4-flute R0.3mm TiSiN corner radius end mill — L2=25mm OAL=75mm
Corner R
0.3mm
D1 h7
10mm
L2
25mm
D2 h6
10mm
L1
75mm
Reach
Standard

R0.3mm Corner Geometry

Light edge protection for tight-tolerance pocket corners

  • ▸Prevents corner micro-fracture in interrupted cuts
  • ▸Works within tight pocket radius tolerances (e.g. R0.3 ± 0.05mm)
  • ▸Preferred radius for watch and instrument component pockets
  • ▸Usable on features requiring clean corner breaks in cast iron
Radius Selection Tip: R0.3mm suits precision pockets where a larger radius would violate the design fillet spec. In HRC55 steel, this radius absorbs chip impact without generating visible corner burrs. Verify pocket design tolerance before specifying — most CAD models default to R0.5mm.

ø10mm Applications

10mm TiSiN — 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 HRC55 steel, 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.

Coating Performance

TiSiN on Corner Radius Geometry

  • ▸TiSiN hardness > 3,500 HV on curved corner arc geometry
  • ▸Prevents micro-chipping at re-entry in interrupted shoulder milling
  • ▸Low friction for reduced built-up edge in stainless steel shoulder cuts
  • ▸Dry, MQL, or flood coolant — all environments supported
ISO PISO MISO KTiSiN corner radius end mill4 flute bull nose end mill HRC55corner radius carbide end mill steelradius end mill semi-finish milling

Same ø10mm Diameter, Other Radii

TiSiN · 4 Flute · HRC55 — Other Corner Radii at ø10mm

R0.2mm
L2 25mm
R0.5mm
L2 25mm
R1mm
L2 25mm
R1.5mm
L2 25mm
R2mm
L2 25mm
R2.5mm
L2 25mm

Same Dimensions, Other Coatings

ø10mm R0.3mm / L2 25mm — Other Variants

nACo · 4 Flute · HRC65
nACo · 4 Flute · HRC65
HRC65 · 4F · R0.3mm
Uncoated · 4 Flute · Aluminium
Uncoated · 4 Flute · Aluminium
Non-Ferrous · 4F · R0.3mm
ø8mm R0.3mm / L2 20mm← All Corner Radius End Millsø12mm R0.3mm / L2 30mm

Order 10mm R0.3mm 4-Flute TiSiN Today

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