Kyocera TPMT090202HQ CA525 TAC06850
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- Stock: In Stock
- Model: CA525
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TAC06850
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Product Overview
The Kyocera TPMT090202HQ CA525 TAC06850 is a premium-grade indexable carbide turning insert engineered for finish turning operations. This triangular 60° insert features an inscribed circle (IC) of 9.525 mm, thickness of 2.38 mm, and a corner radius of 0.2 mm, making it ideal for applications requiring high-precision finish performance.
Manufactured in Japan to ISO 1832 standards, this insert combines a robust carbide substrate with an advanced PVD coating to deliver exceptional wear resistance, thermal stability, and predictable tool life in continuous and interrupted cuts.
ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | T | Triangular insert shape (60° included angle) |
| 2nd Letter | P | Insert with cylindrical hole |
| 3rd Letter | M | Tolerance class (±0.08 mm on IC, ±0.13 mm on thickness) |
| 4th Letter | T | Insert type: Positive rake (7° clearance) |
| Size Code | 09 | Inscribed circle diameter: 9.525 mm |
| Thickness Code | 02 | Insert thickness: 2.38 mm |
| Radius Code | 02 | Corner radius: 0.2 mm |
| Suffix | HQ | High-Precision Finish |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (IC) | 9.525 mm | ±0.08 mm |
| Insert Thickness (S) | 2.38 mm | ±0.13 mm |
| Corner Radius (RE) | 0.2 mm | ±0.10 mm |
| Clearance Angle | 7° | — |
| Hole Diameter (d1) | 4.4 mm | +0.10 mm |
| Chipbreaker Type | High-Precision Finish | — |
Grade Details — Key Grade Characteristics
CA525 is a PVD-coated carbide grade optimized for steel and stainless steel machining. Features excellent wear resistance and thermal stability at high cutting speeds.
| Property | Specification |
|---|---|
| Coating Type | PVD Multi-Layer (TiAlN-based) |
| Substrate | Fine-grain cemented carbide (WC-Co) |
| Hardness (HV) | 1,550 ± 50 |
| Transverse Rupture Strength | ≥ 2,800 MPa |
| Thermal Conductivity | 45 W/m·K |
| Color Code | Copper-Bronze |
Grade Comparison Matrix
| Grade | Application | Speed | Wear Resistance | Toughness |
|---|---|---|---|---|
| CA525 | Steel, Stainless Steel | High | ★★★★☆ | ★★★★☆ |
| CA530 | Steel, General | Medium-High | ★★★☆☆ | ★★★★★ |
| CA515 | Stainless Steel, Finish | Very High | ★★★★★ | ★★★☆☆ |
Chipbreaker Profile
The TPMT090202HQ features a High-Precision Finish chipbreaker geometry specifically designed for finish turning.
| Feature | Specification |
|---|---|
| Chipbreaker Type | High-Precision Finish |
| Rake Angle | 7° (positive) |
| Chip Curl Radius | 2.5–4.0 mm |
| Chip Control | Excellent for fine feeds |
Recommended Applications & Workpiece Materials
This insert is optimized for the following material groups and application scenarios:
| Material Group | ISO Code | Condition | Suitability |
|---|---|---|---|
| Carbon Steel | P.1–P.3 | Unalloyed, Low-alloy | ★★★★★ |
| Alloy Steel | P.4–P.5 | Quenched & Tempered | ★★★★☆ |
| Stainless Steel | M.1–M.2 | Austenitic, Ferritic | ★★★★☆ |
| Cast Iron | K.1–K.2 | Gray, Ductile | ★★★☆☆ |
| Tool Steel | P.6 | Hardened ≤ 45 HRC | ★★★☆☆ |
Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| External Turning | ★★★★★ | Primary application; continuous and light interrupted cuts |
| Internal Turning (Boring) | ★★★★☆ | Use with appropriate boring bars; check overhang limits |
| Facing | ★★★★☆ | Excellent for face-turning operations on shaft workpieces |
| Profiling | ★★★★★ | Small radius ideal for intricate profiles |
| Grooving / Parting | ★☆☆☆☆ | Not recommended; use dedicated grooving inserts |
Recommended Cutting Conditions
Parameters below are starting recommendations for continuous turning of carbon steel (ISO P.1). Adjust based on machine rigidity, workpiece condition, and desired surface finish.
| Parameter | Min | Recommended | Max |
|---|---|---|---|
| Cutting Speed (Vc) | 180 m/min | 240 m/min | 300 m/min |
| Feed Rate (fn) | 0.05 mm/rev | 0.12 mm/rev | 0.2 mm/rev |
| Depth of Cut (ap) | 0.2 mm | 0.8 mm | 1.5 mm |
| Coolant | Wet / Dry | Wet (high-pressure preferred) | — |
Operating Guidelines
- Always verify toolholder clamping force before operation. Insufficient clamping leads to vibration and premature insert failure.
- Use high-pressure coolant (≥ 70 bar) for best chip evacuation and surface finish, especially in deep-hole boring applications.
- For finish turning, reduce feed rate to the lower end of the recommended range to achieve Ra 0.4–0.8 µm surface roughness.
- When machining stainless steel, reduce cutting speed by 15–20% compared to carbon steel to minimize built-up edge (BUE).
- Inspect the insert edge after every 30–45 minutes of cutting time; replace at the first sign of flank wear exceeding 0.3 mm.
- Store unused inserts in original packaging away from moisture and direct sunlight to preserve coating integrity.
Toolholder Compatibility
This insert is compatible with the following standard ISO toolholder families:
| Toolholder Family | Description | Approach Angle |
|---|---|---|
| STTCR/L | Positive rake toolholders with 7° clearance angle — Screw clamp | 93° |
| MTTNR/L | Positive rake toolholders with 7° clearance angle — Lever lock | 93° |
| PTTNR/L | Positive rake toolholders with 7° clearance angle — Pin lock | 75° |
Ensure the selected toolholder matches the insert thickness (2.38 mm) and hole diameter. Verify shim seat condition to prevent insert fracture.
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | TAC06850 |
| Quantity per Pack | 10 inserts |
| Packaging Type | Plastic snap-box with foam insert |
| Labeling | ISO designation, grade color code, batch number, barcode |
| Minimum Order Quantity | 1 pack (10 pieces) |
| Warranty | Full manufacturer warranty against material and coating defects |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | Kyocera Turning Inserts — Standard Range |
| Product Line | CA525 Coated Carbide Grade |
| ISO Standard | ISO 1832:2017 |
| Country of Manufacture | Japan |
| RoHS Compliance | Yes |
| REACH Compliance | Yes |
| Storage Temperature | 5°C – 35°C, dry environment |
| Shelf Life | 10 years (unopened, original packaging) |
Note: All technical data and recommendations are provided as general guidance. Actual performance depends on machine condition, workpiece material variability, and cutting environment. For application-specific support, contact our technical team.
Shipping & Stock Information │ 発送・在庫情報
We ship all products worldwide utilizing our strategic global network. To ensure the fastest dispatch times and optimal customs clearance, items are fulfilled and shipped directly from our primary corporate distribution facilities.
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To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.
🔹How to Proceed with Your Purchase:
- Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
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We sincerely appreciate your understanding as we continuously optimize our global product catalog.
Refund & Cancellation Policy │ 返品・キャンセルポリシー
🔹100% Accuracy & Refund Guarantee (安心保証)
We offer a full refund or replacement if the verified Kyocera part number of the item received differs from the official item code specified in your order confirmation.
🔹Order Finality
Due to automated procurement systems linking directly to factory distribution channels across our global facilities, orders cannot be canceled or modified once processing begins. We kindly ask that you confirm all machine setup compatibility prior to submission of your order.
🔹Need Assistance? (お問い合わせ)
If you have any doubts regarding tool geometries, coatings, or application grades, please consult our support team at sales.kyotow@gmail.com before finalizing your procurement.
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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。
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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
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Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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We bypass Western corporate sales teams and localized regional overhead costs entirely.