Kyocera Z4T 0300 075 0600 R020 250 Carbide CEM04001 ENDMILL
-40 %
Kyocera Z4T 0300 075 0600 R020 250 Carbide CEM04001 ENDMILL
$34.46 USD
$57.44 USD
1 or more $34.46 USD
- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: CEM04001
Kyocera Z4T Series Solid Carbide Endmill — CEM04001
Product Overview
The Kyocera Z4T 0300 075 0600 R020 ENDMILL (CEM04001) is a precision-engineered solid carbide endmill designed for high-performance CNC milling operations. Featuring a 0.20mm corner radius and 3.00mm cutting diameter, this Small Radius tool delivers exceptional performance in semi-finishing to finishing operations requiring good corner definition. The Z4T series 4-flute geometry with Standard configuration is optimized for deep cavity work, mold and die machining, and extended-reach profiling, providing superior chip evacuation, minimized cutting forces, and extended tool life in demanding production environments.
The 0.20mm corner radius provides an excellent balance between edge strength and geometric precision, ideal for general precision milling. Standard reach configuration.
ISO Designation Breakdown
| Designator | Value | Description |
|---|---|---|
| Z4T | Series Code | 4-Flute Solid Carbide Endmill with Corner Radius |
| 0300 | 3.00 mm | Nominal Cutting Diameter (D) |
| 075 | 0.75 mm | Shank Diameter (d) |
| 0600 | 6.00 mm | Length of Cut / Flute Length (L2) |
| R020 | 0.20 mm | Corner Radius (r) — Small Radius |
| 250 | Standard | Overall Length Configuration (L1) |
| CEM04001 | MPN | Manufacturer Part Number (Kyocera Catalog Reference) |
Engineering Dimensions & Geometry
| Parameter | Symbol | Value | Tolerance |
|---|---|---|---|
| Cutting Diameter | D | 3.00 mm | h6 |
| Shank Diameter | d | 0.75 mm | h6 |
| Length of Cut | L2 | 6.00 mm | ±0.05 mm |
| Overall Length | L1 | 16.00 mm (Standard) | ±0.10 mm |
| Corner Radius | r | 0.20 mm | ±0.005 mm |
| Number of Flutes | Z | 4 | — |
| Helix Angle | λ | 30° | ±1° |
| Core Diameter Ratio | Dc | 0.65 × D | — |
| Surface Finish Capability | Ra | Fine Finish (Ra 0.2–0.5 μm) | — |
Grade Details — Key Grade Characteristics
The Z4T series utilizes Kyocera's premium sub-micron grain carbide substrate with advanced PVD coating technology, specifically formulated for this Small Radius endmill configuration. The grade is engineered to provide optimal wear resistance and thermal stability for semi-finishing to finishing operations requiring good corner definition.
| Property | Value | Performance Impact |
|---|---|---|
| Hardness | 91.1 HRA | Exceptional wear resistance for extended tool life in semi-finishing to finishing operations requiring good corner definition |
| Transverse Rupture Strength | 4000 MPa | High mechanical strength resists chipping under heavy loads and interrupted cuts |
| Grain Size | 0.5 μm (Sub-Micron) | Fine edge stability and superior surface finish capability |
| Coating | TiAlN Multi-Layer PVD | Oxidation resistance up to 900°C; reduced built-up edge |
| Coating Thickness | 2.5 ± 0.3 μm | Optimal balance between protection and edge sharpness |
| Cobalt Content | 10.5 wt% | Enhanced binder phase for improved toughness and shock resistance |
| Friction Coefficient | 0.35 (vs. Steel) | Reduced cutting forces and heat generation |
Grade Comparison Matrix
| Grade | Coating | Best For | Max Temp | Relative Wear |
|---|---|---|---|---|
| Z4T (This Tool) | TiAlN PVD | Steel, Stainless, Cast Iron | 900°C | ★★★★★ |
| Z2T Series | TiN PVD | General Purpose, Low Alloy | 600°C | ★★★☆☆ |
| Z3T Series | TiCN PVD | Hardened Steel <55 HRC | 750°C | ★★★★☆ |
| Z5T Series | AlCrN PVD | Titanium, Inconel, HRSA | 1000°C | ★★★★★ |
Chipbreaker Profile
The Z4T series features an optimized 4-flute geometry with variable helix angles and precision-ground chipbreaker grooves designed to enhance chip evacuation and reduce harmonic vibration during high-speed milling. This Small Radius configuration includes specialized edge preparation for semi-finishing to finishing operations requiring good corner definition.
| Feature | Specification | Functional Benefit |
|---|---|---|
| Flute Profile | Concave Parabolic | Improved chip curl and controlled chip evacuation |
| Rake Angle | +8° (Positive) | Reduced cutting force; lower heat generation |
| Clearance Angle | 12° Primary / 25° Secondary | Prevents rubbing; maintains edge sharpness |
| Chipbreaker Width | 0.08 × D | Optimal chip segmentation for 3.00mm diameter |
| Variable Helix | 28°–32° (Flute-to-Flute) | Suppresses chatter and harmonic resonance |
| Corner Radius Geometry | 0.20mm Tangent Blend | Enhanced corner strength; improved surface finish |
| Edge Preparation | T-Land + Micro-Hone | Protects against micro-chipping in semi-finishing to finishing operations requiring good corner definition |
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Hardness Range | Machinability | Recommended? |
|---|---|---|---|---|
| Carbon Steel / Low Alloy | P.1–P.3 | < 30 HRC | Excellent | ✓ Highly Recommended |
| Alloy Steel / Tool Steel | P.4–P.6 | 30–45 HRC | Good | ✓ Recommended |
| Stainless Steel (Austenitic) | M.1–M.2 | < 30 HRC | Good | ✓ Recommended |
| Stainless Steel (Martensitic) | M.3 | 30–40 HRC | Moderate | △ Conditional |
| Cast Iron (Gray / Ductile) | K.1–K.3 | 150–250 HB | Excellent | ✓ Highly Recommended |
| Aluminum / Al Alloys | N.1–N.3 | < 100 HB | Excellent | ✓ Recommended |
| Titanium / Ti Alloys | S.1–S.2 | < 35 HRC | Difficult | △ Conditional |
| Hardened Steel (>45 HRC) | H.1 | 45–55 HRC | Poor | ✗ Not Recommended |
Application Map by Operation
| Operation Type | Suitability | Optimal ae/D Ratio | Notes |
|---|---|---|---|
| Profile Milling (Side) | ★★★★★ Excellent | 0.3–0.8 × D | Primary application; best surface finish with 0.20mm radius |
| Slotting (Full Width) | ★★★★☆ Good | 1.0 × D | Reduce Vc by 20%; ensure adequate coolant for chip evacuation |
| Pocket Milling | ★★★★★ Excellent | 0.4–0.7 × D | Trochoidal path recommended for deep pockets; Standard ideal for cavity depth |
| Contour / 3D Surfacing | ★★★★☆ Good | 0.1–0.3 × D | 0.20mm radius ideal for smooth transitions and blended corners |
| Ramping / Helical Entry | ★★★☆☆ Moderate | — | Max ramp angle 3°; use peck cycle for deep entry with Standard |
| High-Feed Milling | ★★★☆☆ Moderate | 0.05–0.15 × D | Use dedicated high-feed strategy; limited by 3.00mm diameter |
| Plunge Milling | ★★☆☆☆ Poor | — | Not recommended; 4-flute design lacks center cutting capability |
Recommended Cutting Conditions
Parameters are provided as starting recommendations for this Small Radius Standard tool. Adjust based on machine rigidity, workpiece clamping, and coolant delivery. Values assume external flood coolant or through-spindle coolant (TSC) where available. Excellent surface finish with standard finishing parameters; suitable for visible surfaces.
| Workpiece Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | Axial Depth ap (mm) | Radial Depth ae (mm) |
|---|---|---|---|---|
| Carbon Steel (P.1) | 87 | 0.021 | 4.50 | 1.65 |
| Alloy Steel (P.3) | 77 | 0.019 | 4.05 | 1.32 |
| Stainless Steel (M.1) | 65 | 0.016 | 3.60 | 1.16 |
| Cast Iron (K.2) | 96 | 0.022 | 4.95 | 1.98 |
| Aluminum Alloy (N.2) | 240 | 0.037 | 5.40 | 2.48 |
| Finishing (All Materials) | +15% above roughing | 0.013 | 1.80 | 0.45 |
Operating Guidelines
- Runout Tolerance: Maintain TIR (Total Indicator Reading) below 0.005 mm at the tool tip. Excessive runout reduces tool life by up to 50% and degrades surface finish quality.
- Coolant Strategy: Flood coolant at 6–8 bar pressure is recommended for steel and stainless. For aluminum, air blast or MQL (Minimum Quantity Lubrication) may be preferred to prevent built-up edge. Extended overhang requires reduced radial engagement (ae ≤ 0.4 × D) to maintain dimensional accuracy.
- Entry Method: Use helical or ramp entry at 2–3° maximum angle. Avoid direct plunge; this tool is not center-cutting. For Standard tools, reduce entry feed by 25%.
- Corner Radius Engagement: When utilizing the 0.20mm corner radius for finishing, limit radial engagement (ae) to 0.45 mm to achieve fine finish (ra 0.2–0.5 μm) surfaces.
- Chip Evacuation: Ensure adequate coolant flow to flush chips from the cutting zone. Recutting chips causes premature flank wear and edge chipping, particularly with Small Radius geometries.
- Tool Overhang: Minimize overhang to 4 × D or less. For Standard configuration, use extended-reach holders or reduce cutting parameters by 15–20% to control deflection.
- Spindle Warm-Up: Run spindle at operating speed for 10 minutes before precision operations to ensure thermal stability and minimize size variation.
- Tool Change Interval: Monitor flank wear (VB). Replace when VB exceeds 0.15 mm for roughing or 0.05 mm for finishing operations. Small Radius tools typically show corner wear first.
- Speeds & Feeds Validation: Start at 80% of recommended Vc and fz for the first 10 minutes of operation, then increase to full parameters once tool engagement is verified stable.
Toolholder Compatibility
| Holder Type | Compatible Diameter | Clamping Method | Runout Class | Application |
|---|---|---|---|---|
| ER Collet Chuck (ER11/ER16) | 0.75 mm | Radial Clamping | Standard (< 0.01 mm) | General Milling |
| Hydraulic Expansion Chuck | 0.75 mm | Hydraulic Clamping | Precision (< 0.005 mm) | High-Speed Finishing |
| Shrink Fit Holder | 0.75 mm | Thermal Interference | Ultra-Precision (< 0.003 mm) | High-Speed / Hard Milling |
| Milling Chuck (Power Chuck) | 0.75 mm | Mechanical Wedge | Standard (&l
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