Kyocera TPMT110308XQ CA525 TAC06921 Turning Insert - Semi-Finishing
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- Stock: In Stock
- Model: CA525
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TAC06921
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Product Overview
The TPMT110308XQ CA525 (TAC06921) is a premium-grade indexable carbide insert manufactured by Kyocera in Japan. Designed for semi-finishing, this insert delivers exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding CNC environments.
Engineered with a Light to medium machining chipbreaker geometry and Micro-grain carbide with PVD coating, the TPMT110308XQ ensures stable chip evacuation and minimal cutting forces—ideal for high-volume production and tight-tolerance workpieces.
ISO Designation Breakdown
| ISO Code | TPMT110308XQ |
| Shape (1st Letter) | T — Triangle (60° included angle) |
| Clearance (2nd Letter) | P — Positive clearance (7° typical) |
| Tolerance (3rd Letter) | M — Precision class (±0.025 mm) |
| Fixing/Hole (4th Letter) | T — With cylindrical hole and chipbreaker |
| Size (Digits 1-2) | 11 — Inscribed circle ≈ 11.0 mm |
| Thickness (Digits 3-4) | 03 — 3.18 mm thickness |
| Corner Radius (Digits 5-6) | 08 — 0.8 mm nose radius |
| Chipbreaker (Suffix) | XQ — Light to medium machining |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (IC) | 11.0 mm | ±0.025 mm |
| Insert Thickness (S) | 3.18 mm | ±0.013 mm |
| Nose Radius (r) | 0.8 mm | ±0.05 mm |
| Mounting Hole Diameter | 4.4 mm | H7 |
| Seat Size | M3 | Standard |
| Overall Length (L) | 12.70 mm | ±0.05 mm |
| Insert Width (W) | 11.0 mm | ±0.025 mm |
Grade Details — CA525
Key Grade Characteristics
| Substrate | Micro-grain carbide with PVD coating |
| Coating | TiAlN-based multi-layer PVD |
| Hardness | HRA 92.5 |
| Transverse Rupture Strength | 3,800 MPa |
| Coating Color | Bronze/Copper |
| Max Operating Temperature | Up to 900°C |
Performance Features
- Excellent wear resistance
- High thermal stability
- Superior crater resistance
- Minimal built-up edge
Grade Comparison Matrix
| Grade | Coating | Primary Materials | Wear Resistance | Best Application |
|---|---|---|---|---|
| CA525 | PVD TiAlN | Steel/SS | High | Universal |
| CA530 | PVD TiAlN+ | Hardened Steel | Very High | Hard Materials |
| CA515 | CVD TiCN/Al2O3 | Cast Iron | Medium | Iron Machining |
| CA510 | PVD TiN | Aluminum | Low | Non-ferrous |
Chipbreaker Profile — XQ
The XQ chipbreaker on the TPMT110308XQ is engineered for light to medium machining.
| Profile Type | Light to medium machining |
| Typical Finish | Excellent surface finish |
| Chip Control | Excellent — curled chips, minimal bird-nesting |
| Recommended Materials | Steel, cast iron |
Recommended Applications & Workpiece Materials
The TPMT110308XQ CA525 excels in the following machining scenarios:
- Primary Operations: Semi-finishing, light roughing, facing
- Workpiece Materials: Carbon steel, alloy steel, cast iron
- Industry Sectors: Automotive, aerospace, energy, general manufacturing, mold & die
- Machine Types: CNC turning centers, CNC lathes, multi-tasking machines, Swiss-type lathes
Application Map by Operation
| Operation Type | Suitability | Remarks |
|---|---|---|
| External Turning | ★★★★★ Excellent | Primary application, stable performance |
| Internal Turning / Boring | ★★★★☆ Very Good | Use with appropriate boring bars |
| Facing | ★★★★★ Excellent | Smooth entry and exit, minimal chatter |
| Profiling / Contouring | ★★★★☆ Very Good | Small radius enables fine detail |
| Grooving / Parting | ★★☆☆☆ Limited | Not recommended—use dedicated grooving inserts |
| Threading | ★☆☆☆☆ Not Suitable | Use dedicated threading inserts |
Recommended Cutting Conditions
Parameters below are starting recommendations. Optimize based on machine rigidity, workpiece condition, and coolant application.
| Material Group | Cutting Speed Vc (m/min) | Feed f (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|
| Carbon Steel (C45, C50) | 120-220 | 0.08-0.25 | 0.3-2.5 |
| Alloy Steel (4140, 4340) | 102-209 | 0.08-0.25 | 0.3-2.5 |
| Stainless Steel (304, 316) | 84-187 | 0.06-0.25 | 0.2-2.5 |
| Cast Iron (GG25, GGG40) | 108-242 | 0.09-0.33 | 0.3-2.5 |
| Tool Steel (H13, D2) | 60-154 | 0.05-0.20 | 0.1-1.8 |
Operating Guidelines
- Coolant: Flood coolant recommended for steel and stainless steel; dry machining acceptable for cast iron with reduced speed.
- Tool Overhang: Minimize overhang to reduce vibration. Use dampened boring bars for internal operations > 4× diameter.
- Insert Seat: Ensure seat is clean and undamaged before insert change. Torque seat screw to manufacturer specification.
- Edge Preparation: Do not touch the cutting edge with bare hands. Use proper insert changing tools.
- Run-in: Reduce feed by 20% for first 2 minutes of cut to stabilize coating and substrate.
- Inspection: Check for flank wear (VB < 0.3 mm) and crater wear (KT < 0.2 mm) at regular intervals.
Toolholder Compatibility
| Compatible Holders | STFCR/L, STGCR/L, MTFNR/L, MTGNR/L (60° triangle) |
| Clamping Method | Top clamping with lever lock or screw clamp |
| Compatible Insert Shapes | TPMT, TPMH, TPGB |
| Holder Approach Angle | 60° for optimal performance |
Packaging & Ordering Information
| MPN (Manufacturer Part Number) | TAC06921 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic insert box with foam protection |
| Minimum Order | 1 pack (10 pieces) |
| Warranty | Full manufacturer warranty against defects |
| Bulk Pricing | Available for quantities ≥ 50 packs—contact sales |
Catalog Meta Data
| Product Series | TPMT Series — Triangle Inserts |
| Catalog Page Reference | Kyocera Turning Tools Catalog 2026, Section C-17 |
| ECCN Classification | 1A999 (General industrial cutting tools) |
| Country of Origin | Japan |
| RoHS Compliance | Yes — Lead-free, REACH compliant |
| Storage Conditions | Dry environment, 10-30°C, avoid direct sunlight |
Need application support? Our CNC tooling specialists can help you select the perfect grade and geometry for your material and operation. Contact Kyotow.com technical support for free consultation.
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