Kyocera Z4T PR1535 CEM04073 Solid Carbide Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: CEM04073
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1. Product Overview
The Kyocera Z4T PR1535 CEM04073 is a premium solid carbide endmill engineered for high-performance CNC milling operations. Featuring a Ø4.00 mm cutting diameter with a R100 corner radius, this 4-flute tool is designed to deliver exceptional surface finish, dimensional accuracy, and extended tool life across a wide spectrum of workpiece materials. Manufactured in Japan to Kyocera's exacting quality standards, the Z4T series incorporates advanced substrate technology and proprietary PVD coating for demanding production environments.
2. ISO Designation Breakdown
| Designation Element | Value | Interpretation |
|---|---|---|
| Model Series | Z4T | Kyocera 4-flute solid carbide endmill with corner radius |
| Diameter (ØD) | 4.00 mm | Nominal cutting diameter |
| Flute Length (Lf) | 75.0 mm | Effective cutting edge length |
| Neck Length (Ln) | 600.0 mm | Length from tool tip to neck start |
| Overall Length (L) | 320.0 mm | Total tool length from end to shank |
| Corner Radius (r) | R100 | Edge corner radius for improved strength |
| Grade | PR1535 | PVD coated micro-grain carbide |
| MPN | CEM04073 | Manufacturer Part Number |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (ØD) | 4.00 mm | h6 |
| Shank Diameter (Ød) | 4.00 mm | h6 |
| Overall Length (L) | 320.0 mm | ±0.5 mm |
| Flute Length (Lf) | 75.0 mm | +0.3 / -0.1 mm |
| Neck Length (Ln) | 600.0 mm | ±0.3 mm |
| Corner Radius (r) | R100 | ±0.01 mm |
| Number of Flutes | 4 | — |
| Helix Angle | 38° | ±1° |
| Core Diameter Ratio | 72% | — |
| Rake Angle | 8°–12° | ±1° |
4. Grade Details — Key Grade Characteristics
Grade PR1535 is a PVD-coated micro-grain carbide grade specifically developed for high-performance milling of steels, stainless steels, and cast iron. The grade features:
- Substrate: Ultra-fine grain tungsten carbide (0.5–0.8 μm) with 10% Co binder for optimal hardness-toughness balance
- Coating: MEGACOAT NANO EX multi-layer PVD coating (TiAlN-based) with nano-layer architecture
- Hardness: 1,750 HV (substrate) / 3,200 HV (coating surface)
- Transverse Rupture Strength: 2,400 MPa
- Oxidation Resistance: Up to 900°C continuous operating temperature
- Surface Finish: Mirror-polished rake face minimizes built-up edge and improves chip flow
5. Grade Comparison Matrix
| Property | PR1535 (This Tool) | PR1225 | PR1535 | CA6535 |
|---|---|---|---|---|
| Coating Type | MEGACOAT NANO EX | MEGACOAT | MEGACOAT NANO | TiCN+Al₂O₃+TiN |
| Coating Process | PVD | PVD | PVD | CVD |
| Hardness (HV) | 1,750 | 1,600 | 1,800 | 1,520 |
| Wear Resistance | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Fracture Resistance | ★★★★☆ | ★★★★★ | ★★★★☆ | ★★★★★ |
| Best For | Steel / SS | General | HRA / Ti | Steel Rough |
6. Chipbreaker Profile
The Z4T series features an optimized flute geometry with variable helix and variable pitch design to suppress chatter and harmonic vibration during high-speed machining. The chipbreaker characteristics include:
- Flute Profile: Wide-chip-pocket design with polished surface for efficient chip evacuation
- Variable Helix: Unequal flute spacing disrupts regenerative vibration, enabling higher axial depths of cut
- Edge Preparation: Controlled hone (T-land) with 0.02–0.05 mm edge radius for edge stability without sacrificing sharpness
- Chip Forming: Designed to produce 6C–9C type chips (short, manageable curl) across recommended parameters
- Coolant Channels: Through-coolant compatible (where applicable) for enhanced chip flushing in deep-pocket applications
7. Recommended Applications & Workpiece Materials
| Material Group | Examples | Hardness Range | Machinability |
|---|---|---|---|
| Carbon Steel | C45, C50, 1045, 1050 | < 30 HRC | ★★★★★ |
| Alloy Steel | 4140, 4340, 42CrMo4 | 30–45 HRC | ★★★★☆ |
| Stainless Steel | 304, 316, 17-4PH | < 35 HRC | ★★★★☆ |
| Tool Steel | H13, D2, A2 | 45–55 HRC | ★★★☆☆ |
| Cast Iron | GG25, GGG40, FC250 | < 250 HB | ★★★★★ |
| Titanium Alloy | Ti-6Al-4V, Ti-5Al-2.5Sn | < 40 HRC | ★★★☆☆ |
8. Application Map by Operation
| Operation | Suitability | Max Depth (ap) | Notes |
|---|---|---|---|
| Shoulder Milling | ★★★★★ | 1.0 × D | Primary application; excellent wall finish |
| Slotting | ★★★★☆ | 0.8 × D | Use reduced feed for full-slot engagement |
| Profiling / Contouring | ★★★★★ | 1.2 × D | Optimal for complex 3D geometries |
| Plunge Milling | ★★★☆☆ | 0.3 × D | Not recommended as primary method |
| Ramping / Helical Interpolation | ★★★★☆ | 1.0 × D | Max ramp angle 2°–3° for stable entry |
| Trochoidal Milling | ★★★★★ | 1.5 × D | Excellent chip evacuation at high ae |
9. Recommended Cutting Conditions
| Workpiece Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | ap (mm) | ae (mm) |
|---|---|---|---|---|
| Carbon Steel (<30 HRC) | 120–180 | 0.05–0.12 | 1.0×D | 0.6×D |
| Alloy Steel (30–45 HRC) | 80–140 | 0.04–0.10 | 0.8×D | 0.5×D |
| Stainless Steel (304/316) | 60–100 | 0.04–0.08 | 0.8×D | 0.4×D |
| Tool Steel (45–55 HRC) | 40–80 | 0.03–0.06 | 0.5×D | 0.3×D |
| Gray Cast Iron | 100–160 | 0.06–0.14 | 1.0×D | 0.6×D |
| Titanium Alloy | 30–60 | 0.03–0.06 | 0.5×D | 0.3×D |
Note: Values are starting recommendations. Optimize based on machine rigidity, workpiece fixturing, and coolant delivery. Wet machining is recommended for steels and stainless steels; compressed air or MQL may be used for cast iron.
10. Operating Guidelines
- Run-in Procedure: For first use, reduce Vc by 20% and fz by 15% for the first 5 minutes of cutting to stabilize the cutting edge.
- Coolant: Use water-soluble coolant (5–8% concentration) with adequate pressure (≥5 bar) directed at the cutting zone. Avoid thermal shock by maintaining consistent coolant flow.
- Tool Overhang: Minimize overhang to ≤4×D for optimal rigidity. Use hydraulic or shrink-fit holders for high-speed applications (>12,000 rpm).
- Chip Evacuation: Ensure adequate chip removal, especially in pocketing and slotting. Re-cutting chips is the primary cause of premature edge failure.
- Inspection: Visually inspect the cutting edge before each use. Look for chipping, built-up edge, or coating delamination. Replace when flank wear (VB) exceeds 0.2 mm or when surface finish degrades.
- Storage: Store in original packaging in a dry environment (humidity <60%). Avoid contact between tools to prevent edge damage.
11. Toolholder Compatibility
| Holder Type | Compatibility | Max Speed | Remarks |
|---|---|---|---|
| Collet Chuck (ER32/ER40) | ✓ Compatible | 15,000 rpm | Use high-precision collets (≤0.01 mm TIR) |
| Hydraulic Chuck | ✓✓ Recommended | 25,000 rpm | Best damping and concentricity |
| Shrink-Fit Holder | ✓✓ Recommended | 30,000+ rpm | Highest rigidity for HSM applications |
| Milling Chuck (KM/HSK) | ✓ Compatible | 20,000 rpm | Suitable for heavy-duty roughing |
| Weldon Side-Lock | ✓ Compatible | 10,000 rpm | Acceptable for lower-speed operations only |
12. Packaging & Ordering Information
- Packaging: Each endmill is individually sealed in a protective plastic tube with foam insert to prevent edge damage during transit.
- Minimum Order Quantity: 1 piece (no MOQ restrictions).
- Bulk Packaging: Available in quantities of 10, 25, and 50 pieces with volume pricing. Contact Kyotow.com sales for custom quotes.
- Lead Time: In-stock items ship within 24–48 hours. Non-stock items typically deliver within 5–7 business days.
- Warranty: All Kyocera tools are covered by the manufacturer's standard warranty against material and manufacturing defects.
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Manufacturer | Kyocera Corporation, Japan |
| Product Line | Z4T Series — Solid Carbide Endmills |
| Catalog Page Reference | Kyocera Solid Tools Catalog 2024/2025, Section L |
| ISO Standard | ISO 13399 compliant tool data |
| Country of Origin | Japan |
| HS Code | 8207.70.00 — Interchangeable tools for rock drilling / earth boring |
| EAN / UPC | Contact Kyotow.com for barcode data |
Disclaimer: All technical data and recommendations are provided for reference purposes. Actual performance depends on machine condition, setup rigidity, coolant system, and workpiece material consistency. Always conduct test cuts when machining new materials or applications. Kyotow.com is an authorized distributor of genuine Kyocera industrial cutting tools.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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In-Stock Items (在庫あり):
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
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100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect Supply Chain Transparency サプライチェーンの透明性
Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。
Domestic Sourced
Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
No Regional Markups
We bypass Western corporate sales teams and localized regional overhead costs entirely.
