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HRC650 Ball Nose End Mill 2F

Ultra-hard HRC650 ball nose end mill designed for precision finishing of hardened mold steels and complex 3D surfaces.

Standard Solid Carbide End Mills

HRC65 Ball Nose End Mill 2F

Engineered for smooth, accurate machining of curved surfaces, complex contours and mold cavities.

Product Advantages

01Accurate ball-nose profile
02Smooth 3D contour cutting
03Reduced machining vibration
04Excellent surface quality

Technical Information

Item Specification
Tool Material Premium micro-grain solid carbide
Geometry 2-flute ball-nose geometry
Coating Application-specific high-performance coating
Recommended Materials Carbon steel, alloy steel, tool steel and mold steel with workpiece hardness up to HRC65
Typical Operations 3D contouring, curved-surface finishing, mold cavities and profiling

Published Specifications & Cutting Data

The following values are based on the specifications currently published for this product. Please confirm stock dimensions and machining conditions before ordering.

Product Information

Item Description
Product Name Nano-Coated 2-Flute Ball Nose End Mill
Tool Material High-Performance Fine-Grain Solid Carbide
Number of Flutes 2 Flutes
End Style Ball Nose
Coating Heat-Resistant Nano Coating
Helix Angle Approximately 30°
Shank Type Straight Shank
Cutting Direction Right-Hand Cutting
Recommended Hardness Workpiece hardness up to approximately HRC65
Main Application Hardened-Steel Semi-Finishing and Finishing
Manufacturing Method Precision Ground

Reference Specifications

Ball Radius R Cutter Dia. D Cutting Length L Shank Dia. D2 Overall Length L2 Flutes
0.50 1.0 2 4 50 2
0.75 1.5 3 4 50 2
1.00 2.0 4 4 50 2
1.25 2.5 5 4 50 2
1.50 3.0 6 3 50 2
1.50 3.0 6 4 50 2
1.75 3.5 7 4 50 2
2.00 4.0 8 4 50 2
2.50 5.0 10 5 50 2
2.50 5.0 10 6 50 2
3.00 6.0 12 6 50 2
3.50 7.0 14 8 60 2
4.00 8.0 16 8 60 2
5.00 10.0 20 10 75 2
6.00 12.0 24 12 75 2
7.00 14.0 28 14 100 2
8.00 16.0 32 16 100 2
9.00 18.0 36 18 100 2
10.00 20.0 40 20 100 2

Reference Dimensional Tolerance

Item Reference Tolerance
Cutter diameter D ≤ 12 mm 0 / −0.015 mm
Cutter diameter D > 12 mm 0 / −0.020 mm
Ball radius R Confirm according to size and accuracy requirements
Shank diameter D2 h6 available upon request

Reference Cutting Conditions

Workpiece Material Material Hardness Recommended Vc
Mold or alloy steel Below HRC50 45–70 m/min
Hardened mold steel HRC50–55 35–55 m/min
Hardened tool steel HRC55–60 25–45 m/min
High-hardness steel HRC60–65 18–35 m/min
High-alloy cast iron HRC40–50 30–50 m/min

Reference Machining Parameters

Cutter Dia. Spindle Speed Feed Rate
4 mm 2,500–4,000 rpm 120–280 mm/min
6 mm 1,800–3,000 rpm 150–330 mm/min
8 mm 1,400–2,300 rpm 170–380 mm/min
10 mm 1,100–1,900 rpm 180–400 mm/min
12 mm 900–1,600 rpm 180–400 mm/min
16 mm 700–1,200 rpm 160–350 mm/min
20 mm 550–900 rpm 140–300 mm/min

Customization & OEM Service

Custom cutting diameters, flute lengths, overall lengths, shank diameters, tool geometry, coatings, laser marking and private-label packaging are available according to your machining requirements.

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