WNMG432AH KW10 Grade Uncoated Carbide, Indexable Turning Insert For Boring, External Turning, Facing, Internal Facing
- Stock: In Stock
- Model: WNMG
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TWE64432
WNMG432AH KW10 Grade Uncoated Carbide, Indexable Turning Insert For Boring, External Turning, Facing, Internal Facing
Product Overview
The Kyocera WNMG432AH KW10 Grade Uncoated Carbide Turning Insert (Manufacturer Part Number: TWE64432) is a precision-engineered indexable insert designed for boring etc.. Manufactured in Japan from premium sub-micron carbide, this 80° trigon turning insert offers six usable cutting edges for economical high-precision machining. 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 | WNMG080408AH |
| ANSI Code | WNMG432AHKW10 |
| W | Insert Shape: 80° Trigon |
| N | Clearance Angle: 0° (Neutral) |
| M | Tolerance Class: M (±0.05 mm) |
| G | Fixing Type: With hole, no chipbreaker |
| Grade | KW10 (ISO K10 Equivalent) |
Engineering Dimensions & Geometry
| Geometry, Cutting Angles & Dimensions | |
|---|---|
| Inscribed Circle (IC) | 1/2" |
| Insert Thickness | 3/16" |
| Corner Radius | 1/32" |
| Included Angle | 80° |
| Shape | 80° Trigon |
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 AH-type chipbreaker (Aluminum Sharp) is a sharp-edge, high-positive rake design with no distinct groove—instead featuring a precision-honed T-land. This profile minimizes cutting forces and built-up edge formation in soft non-ferrous metals. The polished rake and flank surfaces reduce material adhesion, delivering exceptional surface finish on aluminum and copper alloys.
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 Turning | ★★★★★ | Primary application |
| Facing | ★★★★★ | Excellent with 80° approach |
| Boring | ★★★★☆ | With 80° toolholder |
| Internal Facing | ★★★★☆ | Good clearance |
| Profiling | ★★★☆☆ | Limited by 80° angle |
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 | 250 - 500 | 0.10 - 0.30 | 0.5 - 3.0 |
| Copper | 200 - 400 | 0.10 - 0.25 | 0.5 - 2.5 |
| Cast Iron | 100 - 200 | 0.15 - 0.40 | 1.0 - 4.0 |
| Titanium | 40 - 80 | 0.10 - 0.20 | 0.5 - 2.0 |
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 |
|---|---|---|
| DWLNR / DWLNL | External Turning 95° | Lever Lock |
| PWLNR / PWLNL | External Turning 95° | Pin Lock |
| S20R-MWLNR | Boring Bar 95° | Lever Lock |
Packaging & Ordering Information
| Order & Packaging Details | |
|---|---|
| Manufacturer Part Number | TWE64432 |
| ISO Designation | WNMG080408AH |
| ANSI Designation | WNMG432AHKW10 |
| 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 | WNMG |
| Tool Category | Turning 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 |
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