Kyocera SGM04571 Solid Carbide SGM04571 3FL BN ENDMILL - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM04571
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Product Overview
The SGM04571 is a premium-grade solid carbide 3FL ball nose endmill manufactured by Kyocera. Designed for high-precision CNC milling operations, this 0.0310" diameter tool delivers exceptional surface finish quality, superior dimensional accuracy, and extended tool life across a wide range of workpiece materials. The optimized cutting geometry minimizes vibration and ensures stable chip evacuation even in demanding high-speed machining applications.
ISO Designation Breakdown
| ISO Designation | SGM04571 |
| Tool Type | Solid Carbide Ball Nose Endmill |
| Flute Count | 3FL (3 Flutes) |
| Nose Type | Ball Nose (BN) |
| Coating/Grade | TA Series – Advanced Carbide Substrate |
| Standard | ISO 13399 Compatible |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 0.0310" (0.787 mm) | h6 |
| Shank Diameter (D2) | 0.031" (0.787 mm) | h6 |
| Overall Length (L1) | 1.75" (44.4 mm) | ±0.005" |
| Flute Length (L2) | 0.59" (15.0 mm) | ±0.003" |
| Corner Radius (R) | 0.0155" (0.3937 mm) | ±0.0002" |
| Helix Angle | 30° ± 1° | — |
| Rake Angle | 8° Positive | — |
| Core Diameter Ratio | 0.65 × D1 | — |
Grade Details – Key Grade Characteristics
The SGM04571 utilizes Kyocera's proprietary solid carbide substrate engineered specifically for micro-diameter endmills. This grade offers an exceptional balance of hardness, toughness, and thermal stability.
- Hardness: 92.5 HRA (±0.5) – ensures superior wear resistance in high-speed applications
- TRS (Transverse Rupture Strength): >3,800 MPa – provides excellent edge stability under intermittent cuts
- Grain Size: Sub-micron (0.5–0.8 μm) – delivers mirror-finish surface quality
- Coating: Advanced PVD multi-layer coating for reduced friction and heat dissipation
- Thermal Conductivity: 84 W/m·K – efficient heat transfer away from the cutting edge
Grade Comparison Matrix
| Property | SGM04571 Grade | Standard Carbide | Competitor A |
|---|---|---|---|
| Hardness (HRA) | 92.5 | 91.0 | 91.5 |
| Toughness (MPa) | 3,800 | 3,200 | 3,400 |
| Coating Adhesion | Excellent | Good | Good |
| Tool Life (vs. baseline) | 1.4× | 1.0× | 1.1× |
| Surface Finish (Ra) | <0.2 μm | 0.4 μm | 0.3 μm |
Chipbreaker Profile
The 3FL flute design incorporates an optimized chipbreaker geometry specifically tailored for the 0.0310" cutting diameter. The chipbreaker features a variable pitch configuration that suppresses harmonic vibration and ensures smooth chip formation.
| Chipbreaker Type | Precision Ground – Variable Helix |
| Flute Configuration | 3-Flute, Unequal Spacing (38°/42°/40°) |
| Chip Pocket Depth | 0.0056" |
| Chip Evacuation | Up-cut spiral optimized for pocket milling |
Recommended Applications & Workpiece Materials
This tool is optimized for the following material groups and machining scenarios:
| Material Group | Machinability | Recommended Use |
|---|---|---|
| Carbon Steel (P1–P3) | Excellent | Profiling, 3D contouring, finishing |
| Alloy Steel (P4–P5) | Very Good | Semi-finishing, contour milling |
| Stainless Steel (M1–M2) | Good | Finishing passes with reduced speeds |
| Aluminum & Alloys (K1–K3) | Excellent | High-speed finishing, mirror surfaces |
| Titanium (S1–S2) | Good | Low-speed precision contouring |
| Hardened Steel (>45 HRC) | Moderate | Light finishing cuts only |
Application Map by Operation
| Operation | Suitability | Max Ae (Radial) | Max Ap (Axial) |
|---|---|---|---|
| 3D Contouring / Finishing | ★★★★★ | 0.3 × D1 | 1.0 × D1 |
| Slot Milling | ★★★☆☆ | 1.0 × D1 | 0.5 × D1 |
| Pocket Milling | ★★★★☆ | 0.6 × D1 | 0.8 × D1 |
| Ramping / Helical Entry | ★★★☆☆ | 0.4 × D1 | 0.3 × D1 |
| Plunge Milling | ★★☆☆☆ | — | 0.2 × D1 |
| High-Speed Machining (HSM) | ★★★★★ | 0.15 × D1 | 0.5 × D1 |
Recommended Cutting Conditions
| Material | Vc (m/min) | fz (mm/tooth) | RPM (approx.) | Coolant |
|---|---|---|---|---|
| Carbon Steel (P) | 80 | 0.0310 | 32,340 | Emulsion / MQL |
| Stainless Steel (M) | 63 | 0.0248 | 25,468 | Emulsion (high pressure) |
| Aluminum (K) | 209 | 0.0620 | 84,489 | Air blast / MQL |
| Titanium (S) | 44 | 0.0198 | 17,827 | Flood emulsion |
Note: Values are starting recommendations. Adjust based on machine rigidity, workpiece clamping, and desired surface finish. Reduce speeds by 20% for slot milling.
Operating Guidelines
- Runout: Maintain TIR < 0.0002" (5 μm) at the tool tip. Excessive runout will drastically reduce tool life.
- Entry Strategy: Use ramp or helical entry; avoid direct plunging into solid material.
- Chip Evacuation: Ensure adequate coolant flow or air blast to prevent chip recutting, especially in pocket milling.
- Speed Ramp: When starting a new job, begin at 70% of recommended Vc and increase gradually while monitoring tool wear.
- Tool Change: Inspect cutting edges after each operation. Replace at the first sign of coating flaking or edge chipping.
- Storage: Store in original packaging away from moisture and corrosive environments. Handle with protective gloves to prevent edge damage.
Toolholder Compatibility
| Holder Type | Compatibility | Max Overhang | Notes |
|---|---|---|---|
| Hydraulic Chuck (Hydro) | ★★★★★ | 4 × D1 | Best damping, lowest runout |
| Shrink Fit Holder | ★★★★★ | 5 × D1 | Excellent for high-speed machining |
| Precision Collet (ER16/ER20) | ★★★★☆ | 3 × D1 | Use AA-grade collets only |
| Milling Chuck (Power) | ★★★☆☆ | 3 × D1 | Acceptable for roughing only |
| Weldon Side-Lock | ★★☆☆☆ | 2 × D1 | Not recommended for finishing |
Packaging & Ordering Information
| Catalog Number | SGM04571 |
| Packaging Unit | 1 piece per protective tube |
| Minimum Order Quantity | 1 piece |
| Bulk Packaging | 10 pieces per master carton (available for OEM orders) |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
| Country of Manufacture | Japan |
| HS Code | 8207.70.10 |
Catalog Meta Data
| Product Series | SGM Series – Micro Solid Carbide Endmills |
| Series Page | SGM-3FL-BN-TA |
| Tool Family | Ball Nose Endmills |
| ISO Group | Solid Endmills – Ball Nose Type |
| Application Class | Precision Finishing / 3D Contouring |
| Last Catalog Update | 2026-Q2 |
Why Buy from Kyotow.com? We supply 100% genuine Kyocera industrial cutting tools with full manufacturer warranty. Every order is backed by expert CNC tooling application support and fast worldwide tracked delivery. Bulk and institutional orders are welcome.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
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100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。
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