Kyocera WPMT160304HQ CA525 TAC08760 Finishing Insert
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- Stock: In Stock
- Model: CA525
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TAC08760
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1. Product Overview
The WPMT160304HQ is a premium finishing insert engineered by Kyocera for demanding CNC turning operations. Featuring the CA525 CVD-coated carbide grade, this insert delivers exceptional wear resistance and surface finish quality in steel machining applications.
With an inscribed circle of 16 mm, thickness of 3.18 mm, and a 0.4 mm nose radius, this insert is dimensionally optimized for high-precision finishing. The High-Precision Finishing chipbreaker geometry ensures excellent chip evacuation and minimizes built-up edge formation.
2. ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | W | Insert Shape: Trigon (80°) |
| 2nd Letter | P | Clearance Angle: 11° |
| 3rd Letter | M | Tolerance Class: Medium (±0.05mm) |
| 4th Letter | T | Fixing Hole: Triangular (60°) |
| 5-6 Digits | 16 | Inscribed Circle: 16 mm |
| 7-8 Digits | 03 | Thickness Code: 3.18 mm |
| 9-10 Digits | 04 | Nose Radius: 0.4 mm |
| Suffix | HQ | Chipbreaker: High-Precision Finishing |
3. Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (IC) | 16 mm | ±0.05 mm |
| Insert Thickness (S) | 3.18 mm | ±0.05 mm |
| Nose Radius (rε) | 0.4 mm | ±0.05 mm |
| Clearance Angle | 11° | — |
| Inscribed Circle Tolerance | Medium (±0.05mm) | — |
| Hole Type | Triangular (60°) | — |
| Chipbreaker Style | High-Precision Finishing | — |
| Corner Configuration | Sharp / Ground | — |
4. Grade Details — Key Grade Characteristics
The CA525 grade is a CVD-coated cemented carbide specifically developed for steel machining (ISO P15–P35). It combines a tough WC-Co substrate with a multi-layer coating of TiCN, Al₂O₃, and TiN.
| Characteristic | Specification |
|---|---|
| Coating Technology | CVD (Chemical Vapor Deposition) |
| Coating Layers | TiCN (base) + Al₂O₃ (middle) + TiN (top) |
| Coating Color | Gold / Yellow |
| Substrate Hardness | HRA 91.5 |
| Transverse Rupture Strength | 2,450 MPa |
| Thermal Conductivity | 45 W/(m·K) |
| Coefficient of Thermal Expansion | 5.2 × 10⁻⁶ /K |
| Recommended Coolant | Wet or Dry (pressurized coolant preferred) |
5. Grade Comparison Matrix
| Grade | Coating | ISO Range | Speed | Wear Resistance | Toughness | Best For |
|---|---|---|---|---|---|---|
| CA525 | CVD TiCN+Al₂O₃+TiN | P15-P35 | ★★★★☆ | ★★★★★ | ★★★★☆ | Continuous steel turning |
| CA530 | CVD TiCN+Al₂O₃+TiN | P20-P40 | ★★★★☆ | ★★★★☆ | ★★★★★ | Interrupted steel cuts |
| CA5515 | CVD Thick Al₂O₃ | P05-P20 | ★★★★★ | ★★★★★ | ★★★☆☆ | High-speed finishing |
| CA650 | CVD TiCN+Al₂O₃ | P30-P50 | ★★★☆☆ | ★★★★☆ | ★★★★★ | Heavy roughing |
6. Chipbreaker Profile
The HQ chipbreaker features a narrow, precision-ground groove optimized for high-speed finishing at low depths of cut. Its sharp edge preparation and positive rake angle minimize cutting forces and produce exceptional surface finishes (Ra 0.4–0.8 µm). Ideal for continuous cuts in mild and alloy steels where dimensional accuracy is critical.
| Chipbreaker | Rake Angle | Groove Depth | Land Width | Best Feed Range | Best ap Range |
|---|---|---|---|---|---|
| HQ | +15° | 0.10 mm | 0.15 mm | 0.05 – 0.15 mm/rev | 0.1 – 0.8 mm |
| VF | +18° | 0.06 mm | 0.10 mm | 0.03 – 0.12 mm/rev | 0.05 – 0.5 mm |
| PP | +12° | 0.15 mm | 0.20 mm | 0.08 – 0.25 mm/rev | 0.2 – 1.5 mm |
| GP | +8° | 0.25 mm | 0.30 mm | 0.12 – 0.40 mm/rev | 0.5 – 3.0 mm |
| WP | +10° | 0.12 mm | 0.25 mm | 0.08 – 0.20 mm/rev | 0.2 – 1.2 mm |
| PG | +9° | 0.20 mm | 0.28 mm | 0.10 – 0.35 mm/rev | 0.3 – 2.5 mm |
| WF | +14° | 0.08 mm | 0.18 mm | 0.06 – 0.18 mm/rev | 0.1 – 1.0 mm |
| WE | +7° | 0.22 mm | 0.32 mm | 0.12 – 0.38 mm/rev | 0.4 – 2.8 mm |
7. Recommended Applications & Workpiece Materials
The CA525 grade with WPMT160304HQ geometry is recommended for the following workpiece materials and conditions:
| Material Group | Examples | Hardness | Machinability | Recommended |
|---|---|---|---|---|
| P1.1 – P1.3 | C15E, C35E, 1010, 1020 | < 180 HB | ★★★★★ | Excellent |
| P2.1 – P2.5 | C45E, 1045, 4140, 4340 | 180 – 280 HB | ★★★★☆ | Excellent |
| P3.1 – P3.3 | 50CrMo4, 34CrNiMo6, 300M | 280 – 350 HB | ★★★☆☆ | Good |
| P4.1 – P4.2 | Cast steels, GS-25 | < 300 HB | ★★★☆☆ | Good |
| P5.1 – P5.2 | Tool steels, H13, D2 | Annealed | ★★★☆☆ | Good |
8. Application Map by Operation
| Operation | Workpiece Material | Cutting Condition | Expected Surface Finish |
|---|---|---|---|
| External Finishing | Mild Steel, Alloy Steel | Continuous | 0.4 – 0.8 µm |
| Internal Boring | Carbon Steel | Continuous | 0.4 – 1.0 µm |
| Face Turning | Tool Steel | Light Interrupted | 0.6 – 1.2 µm |
9. Recommended Cutting Conditions
The following parameters are recommended for the WPMT160304HQ CA525 insert. Adjustments may be needed based on machine rigidity, workpiece condition, and coolant application.
| Parameter | Symbol | Minimum | Recommended | Maximum |
|---|---|---|---|---|
| Cutting Speed | Vc | 150 m/min | 215 m/min | 280 m/min |
| Feed per Revolution | fn | 0.1 mm/rev | 0.22 mm/rev | 0.35 mm/rev |
| Depth of Cut | ap | 0.3 mm | 1.6 mm | 3.0 mm |
| Coolant Pressure | — | 5 bar | 15 bar | 70 bar |
| Coolant Type | — | Emulsion (5%) | Emulsion (8–10%) | Synthetic / Neat Oil |
10. Operating Guidelines
- Tool Overhang: Minimize tool overhang to maintain rigidity. For internal boring, use the shortest possible holder and dampened bars if L/D > 4.
- Edge Preparation: This insert features a precision-honed edge. Do not re-hone or alter the edge geometry, as this will compromise coating integrity.
- Coolant Strategy: Apply high-pressure coolant directed at the cutting zone. For best results, use through-tool coolant delivery at 15–70 bar.
- Workpiece Preparation: Ensure consistent stock allowance. Avoid scale, hard spots, or casting skin that can cause premature edge chipping.
- Entry/Exit Strategy: Use ramp entry or arc-in programming to avoid full-width engagement on entry. Reduce feed by 30% during exit to prevent burr formation.
- Tool Life Monitoring: Monitor flank wear (VB). Recommended tool-life criterion is VB = 0.15 mm for finishing and VB = 0.25 mm for general turning.
- Storage: Store inserts in original packaging away from moisture and direct sunlight. Avoid contact between inserts to prevent edge damage.
11. Toolholder Compatibility
The WPMT160304HQ insert is compatible with the following standard toolholders. Always verify holder seat angle and clamp type match the insert designation.
| Toolholder Designation | Approach Angle | Application | Insert Size |
|---|---|---|---|
| PWLNR/L | 95° | external | 16 mm |
| SWLCR/L | 95° | external | 16 mm |
| CWLNR/L | 95° | external | 16 mm |
| PCLNR/L | 95° | external | 16 mm |
| A20T-PWLNR | Varies | internal | 16 mm |
| S25S-PWLNR | Varies | internal | 16 mm |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number (MPN) | TAC08760 |
| ISO Designation | WPMT160304HQ |
| Grade | CA525 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic snap-box with foam insert |
| Individual Insert Marking | Laser-etched: WPMT160304HQ CA525 8760 |
| Warranty | Full manufacturer warranty against material and coating defects |
| Minimum Order | 1 pack (10 inserts) |
| Bulk Pricing | Available for quantities ≥ 50 packs — contact sales |
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Product ID | 5495 |
| Product Category | Indexable Inserts > Turning Inserts > Steel Grades |
| Brand | Kyocera |
| Series | CA500 (Steel Turning) |
| Insert Standard | ISO 1832 |
| Manufacturing Origin | Japan |
| Quality Certification | ISO 9001:2015, ISO 14001:2015 |
| RoHS Compliance | Yes |
| REACH Compliance | Yes |
| Last Catalog Update | 2026-Q2 |
Disclaimer: Cutting parameters are provided as general guidelines. Actual performance depends on machine condition, workpiece material variability, and coolant effectiveness. Always perform test cuts and adjust parameters to optimize tool life and surface finish for your specific application.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
