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Long Flute End Mill for Steel (TiSiN)

Steel-grade long-flute end mill for stable deep-cavity work.

Special-Purpose Solid Carbide End Mills

Long Flute End Mill for Steel (TiSiN)

Provides extended axial reach for deep profiles and tall-wall machining while maintaining cutting stability.

Product Advantages

01Extended cutting length
02Suitable for deep profiles
03Precision-ground flutes
04Stable side-wall machining

Technical Information

Item Specification
Tool Material Premium micro-grain solid carbide
Geometry Extended cutting-length flute geometry
Coating TiSiN wear- and heat-resistant coating
Recommended Materials Carbon steel, alloy steel, tool steel and mold steel
Typical Operations Deep side milling, tall-wall machining, profiling 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 TiSiN Coated Long-Neck Square End Mill
Tool Material Fine-Grain Solid Carbide
Cutter Diameter 0.3–3.0 mm
Number of Flutes 2 or 3 Flutes
End Style Square End / Flat End
Neck Type Reduced Long Neck
Coating TiSiN
Cutting Geometry Steel-Specific Reinforced Geometry
Shank Diameter 4 mm
Overall Length 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 Cutting Length L L Available Effective Reach L L1 Shank Dia. D2 Overall Length L2 Flutes
0.30 0.60 2 / 3 4 50 2
0.40 0.80 3 / 4 / 5 / 6 4 50 2
0.50 1.00 2 / 3 / 4 / 6 / 8 4 50 2
0.60 1.20 2 / 3 / 4 / 6 / 8 4 50 2
0.70 0.80 3 / 4 / 6 / 8 / 10 4 50 2
0.80 1.60 3 / 4 / 6 / 8 / 10 4 50 2
0.90 1.80 3 / 4 / 6 / 8 / 10 4 50 2
1.00 3.00 6 / 8 / 10 / 12 / 16 / 20 4 50 3
1.50 4.50 6 / 8 / 10 / 12 / 16 / 20 4 50 3
2.00 6.00 8 / 10 / 12 / 16 / 20 4 50 3
2.50 7.50 10 / 12 / 16 / 20 4 50 3
3.00 9.00 12 / 16 / 20 4 50 3

Reference Dimensional Tolerance

Cutter Diameter Diameter Tolerance
D ≤ 1 mm 0 / −0.010 mm
D > 1 mm 0 / −0.015 mm
Shank diameter D2 h6

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
0.70–0.90 mm 0.002–0.004 mm/tooth
1.00–1.50 mm 0.003–0.007 mm/tooth
2.00–3.00 mm 0.004–0.012 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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