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HRC600 Corner Radius End Mill 4F

Black-coated HRC600 corner-radius end mill designed for wear-resistant corner machining and semi-finishing of hardened steels.

Standard Solid Carbide End Mills

HRC60 Corner Radius End Mill 4F

Reinforced corner-radius geometry improves cutting-edge strength and stability in demanding machining.

Product Advantages

01Reinforced cutting corners
02Reduced edge chipping
03Stable profiling performance
04Consistent tool life

Technical Information

Item Specification
Tool Material Premium micro-grain solid carbide
Geometry 4-flute corner-radius geometry
Coating Application-specific high-performance coating
Recommended Materials Carbon steel, alloy steel, tool steel and mold steel with workpiece hardness up to HRC60
Typical Operations Profiling, shoulder milling, contouring, semi-finishing and finishing

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 Black Nano-Coated 4-Flute Corner Radius End Mill
Tool Material High-Performance Fine-Grain Solid Carbide
Number of Flutes 4 Flutes
End Style Corner Radius / Bull Nose
Coating Black Heat-Resistant Nano Coating
Helix Angle Approximately 30°–35°
Shank Type Straight Shank
Cutting Direction Right-Hand Cutting
Recommended Hardness Workpiece hardness up to approximately HRC60
Main Application Hardened-Steel Semi-Finishing and Finishing
Manufacturing Method Precision Ground

Reference Specifications

Cutter Dia. D Corner Radius R Cutting Length L Shank Dia. D2 Overall Length L2 Flutes
1.0 0.2 3 4 50 4
1.5 0.2 5 4 50 4
2.0 0.2 6 4 50 4
2.0 0.5 6 4 50 4
2.5 0.2 8 4 50 4
2.5 0.5 8 4 50 4
3.0 0.2 9 3 50 4
3.0 0.5 9 3 50 4
3.0 0.2 9 4 50 4
3.0 0.5 9 4 50 4
4.0 0.2 12 4 50 4
4.0 0.5 12 4 50 4
4.0 1.0 12 4 50 4
5.0 0.5 13 5 50 4
5.0 1.0 13 5 50 4
6.0 0.5 15 6 50 4
6.0 1.0 15 6 50 4
6.0 1.5 15 6 50 4
8.0 0.5 20 8 60 4
8.0 1.0 20 8 60 4
8.0 1.5 20 8 60 4
8.0 2.0 20 8 60 4
10.0 0.5 25 10 75 4
10.0 1.0 25 10 75 4
10.0 2.0 25 10 75 4
10.0 3.0 25 10 75 4
12.0 0.5 30 12 75 4
12.0 1.0 30 12 75 4
12.0 2.0 30 12 75 4
12.0 3.0 30 12 75 4
14.0 1.0 45 14 100 4
14.0 2.0 45 14 100 4
16.0 1.0 45 16 100 4
16.0 2.0 45 16 100 4
20.0 1.0 45 20 100 4
20.0 2.0 45 20 100 4

Reference Dimensional Tolerance

Item Reference Tolerance
Cutter diameter D ≤ 12 mm 0 / −0.015 mm
Cutter diameter D > 12 mm 0 / −0.020 mm
Corner 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
Alloy or mold steel Below HRC45 55–80 m/min
Pre-hardened steel HRC45–50 45–65 m/min
Hardened mold steel HRC50–55 35–55 m/min
Hardened tool steel HRC55–60 25–45 m/min
High-alloy cast iron HRC35–45 40–60 m/min

Reference Machining Parameters

Cutter Dia. Spindle Speed Feed Rate
4 mm 3,000–4,500 rpm 180–350 mm/min
6 mm 2,200–3,500 rpm 220–420 mm/min
8 mm 1,700–2,700 rpm 250–480 mm/min
10 mm 1,300–2,200 rpm 260–520 mm/min
12 mm 1,100–1,800 rpm 260–520 mm/min
16 mm 800–1,300 rpm 230–450 mm/min
20 mm 650–1,000 rpm 200–400 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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