Kyocera GVR300C KW10 TWE01950 Grooving Insert - External Grooving
- Stock: In Stock
- Model: Grooving Inserts
- Weight: 0.09kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TWE01950
Kyocera GVR300C KW10 Grade Uncoated Carbide, Indexable Grooving Insert
Product Overview
The Kyocera GVR300C KW10 Grade Uncoated Carbide Grooving Insert (Manufacturer Part Number: TWE01950) is a precision-engineered indexable insert designed for internal grooving, small parts machining. Manufactured in Japan from premium sub-micron carbide with a 3.00 mm groove specification, this right-hand insert delivers exceptional dimensional accuracy and surface finish quality. The KW10 grade provides a sharp, uncoated cutting edge ideal for mirror-finish machining of aluminum, copper, cast iron, and titanium alloys.
ISO Designation Breakdown
The ISO designation system provides complete identification of insert geometry, tolerance, and application class:
| ISO Designation Analysis | |
|---|---|
| ISO Code | GVR300-020C |
| ANSI Code | GVR300CKW10 |
| G | Series: Grooving Insert |
| V | Style: V-Insert Groove |
| R/L | Hand: Right-Hand |
| Grade | KW10 (ISO K10 Equivalent) |
Engineering Dimensions & Geometry
| Geometry, Cutting Angles & Dimensions | |
|---|---|
| Groove Width | 3.000 mm |
| Insert Thickness | 0.256" |
| Corner Radius | 0.008" |
| Cutting Edges | 2 |
| Hand | Right-Hand |
Grade Details - Key Grade Characteristics
KW10 is a premium uncoated fine-grain carbide grade engineered for high-precision machining of non-ferrous and cast iron materials:
| KW10 Grade Characteristics | |
|---|---|
| ISO Application Group | K10 (K01-K20 range) |
| Carbide Structure | Sub-micron tungsten carbide (WC) |
| Cobalt Binder Content | 6% Co |
| Hardness (HRA) | 92.0 ± 0.5 |
| Transverse Rupture Strength | ≥ 2,200 MPa |
| Coating | Uncoated (Bare Carbide) |
| Edge Preparation | Sharp ( honed 0.01-0.02 mm) |
| Color Code | Gray (Uncoated) |
Grade Comparison Matrix
KW10 positioned within the Kyocera carbide grade portfolio for non-ferrous and cast iron machining:
| Grade | ISO Class | Coating | Primary Use |
|---|---|---|---|
| KW10 | K10 | Uncoated | Aluminum, Copper, Cast Iron, Titanium |
| KW20 | K20 | Uncoated | General Cast Iron, Interrupted Cuts |
| PR930 | P10 | PVD TiAlN | Steel, Stainless Steel |
| CA310 | P20 | CVD TiC-TiN | General Steel Machining |
| TB660 | S10 | PVD | Superalloys, Titanium |
Chipbreaker Profile
The C-type chipbreaker is designed with a deep, aggressive groove geometry for heavy-duty grooving and roughing applications. The pronounced chip deflector ensures tight chip curling even at high feed rates, while the reinforced edge land provides maximum protection against chipping in demanding cast iron machining.
Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability |
|---|---|---|
| Aluminum & Alloys | 6061-T6, 7075-T6, 2024, A356 | Excellent - Mirror Finish |
| Copper & Alloys | C11000, C36000, Beryllium Copper | Excellent - High Precision |
| Cast Iron | GG25, GGG40, FC250, FCD400 | Good - Stable Cutting |
| Titanium Alloys | Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo | Good - Low Speed Recommended |
| Plastics & Composites | POM, PTFE, GFRP, CFRP | Excellent - Clean Cut |
| Non-Metallic | Graphite, Ceramics, Wood | Good - Dust Control Required |
Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| External Grooving | ★★★★★ | Primary application |
| Internal Grooving | ★★★★☆ | With minimum bore diameter check |
| Face Grooving | ★★★☆☆ | Limited by holder access |
| Cut-Off | ★☆☆☆☆ | Not recommended |
| Profiling | ★★★☆☆ | Possible with shallow depths |
Recommended Cutting Conditions
Starting parameters for KW10 grade. Adjust based on machine rigidity, workpiece condition, and required surface finish:
| Material | Vc (m/min) | fn (mm/rev) | DOC (mm) |
|---|---|---|---|
| Aluminum | 200 - 400 | 0.05 - 0.15 | Up to groove width |
| Copper | 150 - 300 | 0.05 - 0.12 | Up to groove width |
| Cast Iron | 80 - 150 | 0.08 - 0.20 | Up to groove width |
| Titanium | 30 - 60 | 0.05 - 0.10 | Up to 0.5 × width |
Operating Guidelines
- Coolant: Flood coolant recommended for aluminum and copper to prevent built-up edge. Dry cutting acceptable for cast iron. Use high-pressure coolant for titanium alloys.
- Toolholder: Ensure holder pocket is clean and undamaged. Use correct torque when clamping (typically 2.5 - 3.5 N·m for M2.5 screws).
- Runout: Maintain radial runout below 0.01 mm at the cutting edge for optimal surface finish and tool life.
- Entry: Use ramp or helical entry for grooving and drilling operations. Avoid plunging directly into solid material at full depth.
- Edge Inspection: Inspect inserts after 30 minutes of cutting for wear patterns. Replace when flank wear exceeds 0.15 mm or when chipping is observed.
- Storage: Store inserts in original packaging away from moisture and direct sunlight. Handle with gloves to prevent corrosion from skin oils.
Toolholder Compatibility
Compatible Kyocera toolholder series for this insert:
| Holder Series | Description | Clamp Type |
|---|---|---|
| KGD / KGM | External Grooving Holders | Top Clamp |
| KGB | Back-Turning Grooving | Top Clamp |
Packaging & Ordering Information
| Order & Packaging Details | |
|---|---|
| Manufacturer Part Number | TWE01950 |
| ISO Designation | GVR300-020C |
| ANSI Designation | GVR300CKW10 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic insert box with foam padding |
| Labeling | Individual laser-marked insert identification |
| Country of Origin | Japan |
| Warranty | Full manufacturer defect warranty |
Catalog Meta Data
| Catalog & Classification Data | |
|---|---|
| Product Family | GVR |
| Tool Category | Grooving Insert |
| Grade Family | KW Series (Uncoated K-Grade) |
| ISO Color Code | Red (K-Grade) |
| E-Commerce Category | Indexable Inserts > Carbide > Uncoated |
| UNSPSC Code | 23151501 (Indexable Inserts) |
| Harmonized Code | 8209.00.00 (Carbide Tools) |
| Last Catalog Update | 2026-Q2 |
