Kyocera VBMT110304HQ CA125P TMK00451
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- Stock: In Stock
- Model: CA125P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMK00451
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Product Overview
The VBMT110304HQ CA125P TMK00451 is a premium-grade carbide indexable insert manufactured by Kyocera in Japan. Designed specifically for Heavy-Duty Turning operations, this insert delivers exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding CNC turning environments. The optimized substrate and advanced PVD coating technology ensure consistent performance across a wide range of workpiece materials.
ISO Designation Breakdown
| Position | Code | Meaning |
| 1st Letter | V | Insert Shape: 35° Rhombic |
| 2nd Letter | B | Clearance Angle: 5° |
| 3rd Letter | M | Tolerance Class: M (±0.05–0.13 mm) |
| 4th Letter | T | Fixing & Hole Type: Single-sided with hole |
| Size | 11 | Inscribed Circle Diameter: 11 mm |
| Thickness | 03 | Nominal Thickness: 3.18 mm |
| Corner Radius | 04 | Nose Radius: 0.4 mm |
| Chipbreaker | HQ | HQ - Heavy-Duty Chipbreaker |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
| Inscribed Circle Diameter (IC) | 11 mm | ±0.05 mm |
| Insert Thickness (S) | 3.18 mm | ±0.13 mm |
| Nose Radius (rε) | 0.4 mm | ±0.10 mm |
| Clearance Angle | 5° | ±1° |
| Inscribed Circle Shape | 35° Rhombic | — |
| Cutting Edge Length (approx.) | 8.8 mm | — |
Grade Details — Key Grade Characteristics
CA125P is a high-performance cermet grade developed by Kyocera for precision finishing and medium-speed machining applications. Key characteristics include:
- Substrate: Ti(C,N)-based cermet with ultra-fine grain structure
- Coating: Advanced PVD multi-layer coating (TiN/TiAlN)
- Hardness: HV 1,650 ± 100 (exceptional wear resistance)
- Transverse Rupture Strength: 2,400 MPa (high mechanical reliability)
- Thermal Stability: Optimal performance up to 800°C cutting temperature
- Color Code: Gold (standard Kyocera cermet identification)
Grade Comparison Matrix
| Property | CA125P | PR930 | TN60 |
| Material Class | Cermet | Cermet | Cermet |
| Primary Application | Steel Finishing | Steel Semi-Finishing | High-Speed Finishing |
| Cutting Speed (Vc) | 150–350 m/min | 120–280 m/min | 200–400 m/min |
| Wear Resistance | ★★★★★ | ★★★★☆ | ★★★★★ |
| Toughness | ★★★☆☆ | ★★★★☆ | ★★☆☆☆ |
| Surface Finish Quality | Mirror | Excellent | Superior |
Chipbreaker Profile
HQ - Heavy-Duty Chipbreaker
| Feature | Specification |
| Rake Angle | Positive 8°–12° |
| Groove Depth | 0.08–0.15 mm (optimized for chip curl) |
| Chip Control Range | 0.05–0.25 mm/rev feed rate |
| Land Width | 0.10–0.20 mm (polished for low friction) |
| Intended Chip Form | 6-shaped or C-shaped short chips |
Recommended Applications & Workpiece Materials
- Carbon Steel: C15–C45, C45E, C60 (ISO P.1–P.3)
- Alloy Steel: 42CrMo4, 16MnCr5, 34CrNiMo6 (ISO P.4–P.5)
- Tool Steel: H13, D2, O1 (ISO P.6–P.7, reduced speeds)
- Stainless Steel (limited): 304, 316L at lower Vc (ISO M.1–M.2)
- Cast Iron: GG25, GGG40 (ISO K.1–K.2, dry machining preferred)
- Non-Ferrous: Aluminum alloys <5% Si (ISO N.1–N.2)
Application Map by Operation
| Operation | Suitability | Notes |
| External Turning | ★★★★★ | Primary application; excellent surface finish |
| Internal Turning (Boring) | ★★★★☆ | Use with appropriate boring bars; check stability |
| Face Turning | ★★★★☆ | Suitable for light facing cuts; avoid interrupted cuts |
| Grooving & Parting | ★☆☆☆☆ | Not recommended; use dedicated groove inserts |
| Threading | ★☆☆☆☆ | Not applicable; use dedicated thread inserts |
| Profiling | ★★★★☆ | Excellent for complex contours with small corner radius |
Recommended Cutting Conditions
| Parameter | Roughing | Semi-Finishing | Finishing |
| Cutting Speed Vc (m/min) | 233–263 | 263–278 | 278–328 |
| Feed Rate fn (mm/rev) | 0.19–0.24 | 0.1–0.19 | 0.07–0.1 |
| Depth of Cut ap (mm) | 2.3–3.3 | 0.6000000000000001–2.3 | 0.4–0.6000000000000001 |
| Coolant | Wet (emulsion 5–8%) | Wet or MQL | Dry or MQL preferred |
Values are starting recommendations. Optimize based on machine rigidity, workpiece condition, and required surface quality.
Operating Guidelines
- Tool Overhang: Minimize overhang to prevent vibration; use shortest possible toolholder
- Runout: Ensure insert seat runout <0.01 mm for optimal finish
- Clamping Force: Torque lever to 3.5–4.5 N·m; verify with torque wrench
- Insert Change: Replace when flank wear (VB) exceeds 0.15 mm or when surface finish degrades
- Storage: Keep inserts in original packaging; avoid humidity >60% RH
- First Cut: Reduce feed by 20% for first 30 seconds to break in cutting edge
Toolholder Compatibility
This insert is compatible with standard ISO 35° Rhombic Toolholders (D-style). Recommended toolholder families:
| Toolholder Family | Style | Insert Size | Application |
| SVJCR/L | External | 11 | General Turning |
| SVVCN | External | 11 | Precision Finishing |
| SVQCR/L | External/Internal | 11 | Versatile Setup |
| MTJNR/L | Internal | 11 | Boring Operations |
Packaging & Ordering Information
- Packaging: Each insert is individually sealed in anti-corrosion VCI film; 10 inserts per plastic box
- Minimum Order Quantity: 10 inserts (1 box)
- MPN: TMK00451
- Grade: CA125P
- Price per Insert: $8.9
- Stock Status: In Stock — ships within 24 hours
- HS Code: 8209.00.00 (Indexable Inserts)
Catalog Meta Data
| Attribute | Value |
| Manufacturer | Kyocera Corporation, Japan |
| Country of Origin | Japan |
| ISO 9001 Certified | Yes |
| RoHS Compliant | Yes |
| Warranty | Full manufacturer warranty against material defects |
| Catalog Series | Kyocera Standard Turning Inserts |
| Data Sheet | Available upon request |
Why Buy from Kyotow.com? We supply 100% genuine Kyocera inserts with full manufacturer warranty, expert technical support, and fast tracked delivery worldwide. Bulk pricing available for OEM and institutional buyers.
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