Kyocera NDMT10T208ER-D KW10 TWE00856 Milling Insert - Facing
- Stock: In Stock
- Model: Milling Inserts
- Weight: 0.01kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TWE00856
Kyocera NDMT10T208ERD KW10 Grade Uncoated Carbide Indexable Milling Insert
Product Overview
The Kyocera NDMT10T208ER-D KW10 Grade Uncoated Carbide Indexable Milling Insert is a precision-engineered cutting tool manufactured by Kyocera in Japan. Designed for Facing|Shouldering|High-Feed Milling operations, this neutral insert delivers exceptional surface finish, tight dimensional accuracy, and extended tool life on CNC milling centers.
With ER-D-profile chipbreaker geometry and ultra-fine grain carbide substrate, the NDMT10T208ER-D minimizes cutting forces and enhances chip control, ensuring consistent and repeatable results across high-volume production runs. The uncoated KW10 grade is optimized for stable cutting of cast iron, non-ferrous materials, non-metals, and titanium alloys.
ISO Designation Breakdown
| ISO Symbol | NDMT10T208ER-D |
| S – Milling | Primary application group: Milling |
| Shape Letter | D = 90 Degree Square |
| Clearance Angle | M = 7° clearance |
| Size Code | 10T = Nominal dimension designation |
| Thickness | 1/8" |
| Chipbreaker | ER-D = ER-D profile |
Engineering Dimensions & Geometry
Complete engineering specifications, cutting geometry, and dimensional data:
| Geometry, Cutting Angles & Dimensions | |
|---|---|
| Radius Size | 1/32" |
| Thickness | 1/8" |
| Included Angle | 90 |
| Shape | 90 Degree Square |
| Inscribed Circle | 1/2" |
| Cutting Edges | 4 (indexable, multi-sided) |
| Hand | Neutral |
| Chipbreaker | ER-D |
Grade Details – Key Grade Characteristics
The KW10 grade is an uncoated ultra-fine grain tungsten carbide specifically developed for machining cast iron, non-ferrous metals, and non-metallic materials.
- Substrate: Ultra-fine grain uncoated tungsten carbide (K10 equivalent)
- Hardness: 92.0 HRA high hardness matrix
- Transverse Rupture Strength: 2,800 N/mm²
- Grain Size: Ultra-fine 0.5 μm WC-Co matrix
- Co Content: 6% cobalt binder
- Color Code: Gray (uncoated)
- ISO Application Group: K10-K20 (cast iron, non-ferrous, non-metals)
Grade Comparison Matrix
Select the optimal grade for your workpiece material and machining conditions:
| Grade | Coating | Hardness | Best For |
|---|---|---|---|
| KW10 | Uncoated | 92.0 HRA | Cast iron, non-ferrous, titanium |
| PR630 | PVD | 91.5 HRA | Steel, stainless steel |
| CA530 | CVD | 91.0 HRA | General steel machining |
Chipbreaker Profile
The ER-D chipbreaker delivers high-feed milling capability with optimized edge reinforcement. Features a dual-land geometry for exceptional stability at elevated feed rates.
- Rake Angle: Neutral
- Edge Preparation: Double hone (ER land)
- Recommended Feed: 0.20–0.50 mm/tooth
- Optimal for: High-feed facing, shouldering
Recommended Applications & Workpiece Materials
The KW10 grade with uncoated substrate is specifically engineered for stable machining of:
- Gray Cast Iron: Excellent wear resistance and thermal stability for continuous and interrupted cuts.
- Nodular Cast Iron: Handles abrasive carbide nodules with minimal edge chipping.
- Aluminum Alloys: Prevents built-up edge (BUE) due to low chemical affinity; delivers mirror surface finishes.
- Brass & Copper: High thermal conductivity prevents heat accumulation; sharp edge reduces burr formation.
- Titanium Alloys: Uncoated surface minimizes galling and adhesion common in Ti machining.
- Plastics & Composites: Clean shear action without delamination or fiber pull-out.
Application Map by Operation
Understand where the NDMT10T208ER-D performs best across common milling operations:
| Operation | Suitability | Notes |
|---|---|---|
| Face Milling | ✓ Excellent | Primary design intent |
| Shoulder Milling | ✓ Good | Use appropriate cutter body |
| Slotting | ○ Limited | Check cutter width vs slot requirement |
| Chamfering | ○ Limited | Requires chamfer cutter setup |
| High-Feed Milling | ✓ Good | ER-D geometry optimized |
Recommended Cutting Conditions
Starting parameters for the NDMT10T208ER-D with KW10 grade. Adjust based on machine rigidity and surface finish requirements:
| Workpiece Material | Cutting Speed Vc (m/min) | Feed fz (mm/tooth) | Depth of Cut ae (mm) |
|---|---|---|---|
| Gray Cast Iron (HB 180–220) | 60–150 | 0.20–0.50 | 1.5–5.0 |
| Nodular Cast Iron (HB 200–250) | 60–120 | 0.08–0.18 | 0.8–2.5 |
| Aluminum Alloy (Si<12%) | 200–400 | 0.10–0.30 | 1.0–5.0 |
| Titanium Alloy (Ti-6Al-4V) | 30–60 | 0.05–0.12 | 0.5–2.0 |
| Brass / Copper | 150–300 | 0.10–0.25 | 1.0–4.0 |
Note: Values are starting recommendations. Optimize based on machine rigidity, workpiece condition, and coolant application.
Operating Guidelines
Follow these best practices to maximize insert life and machining safety:
- Insert Inspection: Verify cutting edge integrity before mounting. Do not use chipped or cracked inserts.
- Torque Specification: Tighten clamping screw to 2.5–3.5 N·m; over-torque causes insert fracture.
- Coolant: Flood coolant recommended for titanium and aluminum; dry cutting acceptable for cast iron.
- Depth Limit: Do not exceed maximum radial engagement specified for cutter geometry.
- Edge Life: Monitor flank wear (VB max 0.3 mm). Replace insert when wear land reaches limit.
- Storage: Store in original packaging away from corrosive environments.
Toolholder Compatibility
The NDMT10T208ER-D is designed for use with Kyocera MND square shoulder cutters. Select the cutter body based on insert size and machining configuration:
- Compatible Cutter Series: MND square shoulder cutters
- Insert Size Match: Size 10T insert requires corresponding pocket size
- Hand Configuration: Neutral cutter body required
- Clamping System: Screw-clamp or wedge-clamp depending on cutter model
- Coolant Supply: Internal coolant channels recommended for high-speed milling
For optimal performance, verify pocket geometry and ensure proper insert seating before operation.
Packaging & Ordering Information
- Standard Packaging: Individual plastic insert box, 10 inserts per pack
- MPN: TWE00856
- Minimum Order Quantity: 1 pack (10 inserts)
- Lead Time: In-stock items ship within 1–2 business days
- Storage: Keep in original packaging at room temperature, avoid humidity
- Traceability: Each batch marked with production lot number for quality tracking
Catalog Meta Data
| Catalog Series | MND Milling System |
| Page Reference | Milling Inserts – 90 Degree Square Section |
| Revision Date | 2026 Edition |
| ISO Standard | ISO 1832:2012 |
| Quality Certification | ISO 9001:2015, JIS B 4104 |
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