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Micro Solid Carbide End Mill for Steel

Steel-grade micro solid carbide end mill designed for fine engraving, micro pockets and intricate features in hardened materials.

Special-Purpose Solid Carbide End Mills

Micro Solid Carbide End Mill for Steel

A micro-diameter carbide end mill for detailed features, narrow slots and high-precision components.

Product Advantages

01Micro-diameter accuracy
02Sharp precision-ground edges
03Low cutting forces
04Fine feature and surface quality

Technical Information

Item Specification
Tool Material Premium micro-grain solid carbide
Geometry Micro-diameter precision-ground flute geometry
Coating Coating options available by application
Recommended Materials Carbon steel, alloy steel, tool steel and mold steel
Typical Operations Micro slotting, fine profiling, engraving and precision 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 Micro-Diameter Ball Nose End Mill
Tool Material Fine-Grain Solid Carbide
Cutter Diameter 0.3–0.9 mm
Number of Flutes 2 Flutes
End Style Ball Nose
Coating TiSiN
Shank Diameter 4 mm
Overall Length 50 mm
Cutting Direction Right-Hand Cutting
Recommended Hardness Workpiece hardness up to approximately HRC55
Manufacturing Method Precision Ground

Reference Specifications

Cutter Dia. D Ball Radius R Shank Dia. D2 Overall Length L2 Flutes
0.30 0.15 4 50 2
0.40 0.20 4 50 2
0.50 0.25 4 50 2
0.60 0.30 4 50 2
0.70 0.35 4 50 2
0.80 0.40 4 50 2
0.90 0.45 4 50 2

Reference Dimensional Tolerance

Item Reference Tolerance
Cutter diameter D 0 / −0.010 mm
Ball radius R ±0.005 mm
Shank diameter D2 h6
Overall length L2 ±0.5 mm

Reference Cutting Conditions

Workpiece Material Material Condition Recommended Vc
Carbon steel Below HRC30 50–80 m/min
Alloy steel HRC30–40 40–65 m/min
Tool or mold steel HRC40–50 30–50 m/min
Hardened steel HRC50–55 20–35 m/min
Gray or ductile cast iron Below HRC32 40–60 m/min
High-alloy cast iron HRC35–45 30–50 m/min

Reference Feed per Tooth

Cutter Diameter Recommended Fz
0.30–0.40 mm 0.001–0.002 mm/tooth
0.50–0.60 mm 0.0015–0.003 mm/tooth
0.70–0.80 mm 0.002–0.004 mm/tooth
0.90 mm 0.0025–0.005 mm/tooth

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.

Get a Quote for Your Cutting Tools

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