Kyocera SGM04142 PR1535 SGM04142 ENDMILL 3FL SQ - Micro Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM04142
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1. Product Overview
The Kyocera SGM04142 is a precision-engineered solid carbide ENDMILL 3FL SQ with a cutting diameter of 0.0360" (0.914 mm). Manufactured in Japan to stringent OEM standards, this micro endmill is optimized for high-speed CNC milling operations requiring exceptional surface finish and dimensional accuracy. The PR1535 substrate combined with MEGACOAT PVD Multi-Layer coating ensures extended tool life and stable performance across a wide range of workpiece materials.
2. ISO Designation Breakdown
| ISO Element | Code | Meaning |
|---|---|---|
| ISO Designation | 3F-SQ-00360-K45 | Standard identifier |
| Flutes (Z) | 3 | 3-flute design for balanced chip evacuation |
| Cutting Edge Shape | SQ | Square (90°) corner profile |
| Nominal Diameter | 0.0360" | Cutting diameter in inches |
| Helix Angle | 45° | Optimized for shearing action |
| Carbide Grade | PR1535 | Ultra-fine grain substrate |
3. Engineering Dimensions & Geometry
| Parameter | Value | Unit | Tolerance |
|---|---|---|---|
| Cutting Diameter (DC) | 0.0360 | inch | +0.0000 / -0.0002 |
| Cutting Diameter (DC) | 0.9144 | mm | +0.000 / -0.005 |
| Flute Length (APMX) | 2.74 | mm | ±0.50 |
| Overall Length (OAL) | 39.8 | mm | ±1.00 |
| Shank Diameter (DCON) | 3.175 | mm | h6 |
| Corner Radius (RE) | 0.0 | mm | ±0.005 |
| Helix Angle | 45 | degrees | ±2 |
| Rake Angle | +8 | degrees | ±2 |
| Core Thickness Ratio | 65 | % | — |
4. Grade Details – Key Grade Characteristics
Grade PR1535 is an ultra-fine grain carbide substrate with a MEGACOAT PVD Multi-Layer coating specifically developed for precision micro-milling applications.
| Property | Value / Rating |
|---|---|
| Substrate Grain Size | 0.4 µm (Ultra-Fine) |
| Coating Type | PVD Multi-Layer (TiAlN-based) |
| Coating Hardness (HV) | 3,300 |
| Oxidation Temperature | 1,100 °C |
| Coating Thickness | 2–4 µm |
| Color | Dark Copper / Bronze |
| Friction Coefficient | 0.35 (vs. steel) |
| Primary Advantage | High wear resistance + thermal stability |
5. Grade Comparison Matrix
| Grade | Coating | Best For | Speed Capability | Wear Resistance |
|---|---|---|---|---|
| PR1535 (This Tool) | MEGACOAT PVD | Precision finishing, stainless steel, Ti alloys | Very High | Excellent |
| CA0835 | CVD (TiN+TiCN+Al₂O₃) | General steel, cast iron, medium speed | High | Very Good |
| PR0735 | PVD (TiN base) | Stainless steel, heat-resistant alloys | Medium-High | Good |
| TB2100 | PVD Nano-layer | Hardened steel (>50 HRC) | High | Excellent |
6. Chipbreaker Profile
As a solid carbide endmill, the SGM04142 utilizes a variable flute geometry rather than a traditional indexable insert chipbreaker. The flute design features:
- Flute Form: Parabolic gash with polished rake face for low cutting forces
- Chip Pocket Volume: Optimized for 0.0360" diameter to prevent chip clogging in deep pockets
- Edge Preparation: Micro-honed edge (0.01–0.02 mm) for burr suppression
- Surface Finish: Mirror-polished flute walls (Ra < 0.2 µm) to reduce built-up edge
- Chip Thinning Geometry: High helix (45°) promotes axial chip thinning for improved finish
7. Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability | Recommended Use |
|---|---|---|---|
| Carbon Steel | 1045, 4140, A36 | ★★★★★ | Slotting, profiling, finishing |
| Stainless Steel | 304, 316, 17-4PH | ★★★★☆ | Precision finishing, light slotting |
| Tool Steel | A2, D2, H13 (pre-hardened) | ★★★★☆ | Semi-finishing, contouring |
| Titanium Alloys | Ti-6Al-4V, Ti-5Al-2.5Sn | ★★★☆☆ | Finishing only; reduce speeds |
| Aluminum Alloys | 6061-T6, 7075-T6 | ★★★★★ | High-speed finishing, mirror surfaces |
| Copper / Brass | C110, C360 | ★★★★★ | Micro-machining, engraving |
8. Application Map by Operation
| Operation | Suitability | Max Ae (Radial DOC) | Max Ap (Axial DOC) |
|---|---|---|---|
| Slotting | ★★★★☆ Excellent | 1.0 × DC | 1.5 × DC |
| Profiling / Side Milling | ★★★★★ Ideal | 0.5 × DC | 3.0 × DC |
| Plunge Milling | ★★★☆☆ Limited | — | 0.3 × DC |
| High-Feed Milling | ★★★★☆ Excellent | 0.2 × DC | 2.0 × DC |
| Micro-Finishing | ★★★★★ Ideal | 0.05 × DC | 0.5 × DC |
9. Recommended Cutting Conditions
| Workpiece Material | Vc (m/min) | Feed per Tooth (mm) | RPM (approx.) | Coolant |
|---|---|---|---|---|
| Carbon Steel (< 30 HRC) | 80–120 | 0.005–0.015 | 2,222,222–3,333,333 | External / MQL |
| Alloy Steel (30–45 HRC) | 60–90 | 0.004–0.012 | 1,666,666–2,500,000 | External / MQL |
| Stainless Steel (304/316) | 50–80 | 0.004–0.010 | 1,388,888–2,222,222 | External / MQL |
| Titanium Alloy | 30–50 | 0.003–0.008 | 833,333–1,388,888 | Flood / High-pressure |
| Aluminum Alloy | 150–250 | 0.010–0.025 | 4,166,666–6,944,444 | Air blast / MQL |
Note: Values are starting recommendations. Adjust based on machine rigidity, workpiece fixturing, and surface finish requirements. Reduce speeds by 20% for depths of cut exceeding 2×DC.
10. Operating Guidelines
- Run-out Check: Ensure tool run-out is < 0.005 mm (0.0002") at the tool tip to prevent uneven wear.
- Collet Selection: Use precision ER11 or ER16 collets with > 75% grip length on the shank.
- Speed Ramp: When starting a new tool, run at 70% of recommended Vc for the first 5 minutes to break in the cutting edge.
- Chip Evacuation: For slotting deeper than 2×DC, use through-spindle coolant or compressed air to clear chips.
- Tool Life Indicator: Replace tool when flank wear (VB) exceeds 0.05 mm or when surface finish degrades by > 20%.
- Storage: Store in original packaging away from humidity and direct sunlight to prevent coating degradation.
11. Toolholder Compatibility
| Holder Type | Specification | Compatibility |
|---|---|---|
| ER Collet Chuck | ER11, ER16, ER20 (precision class) | ★★★★★ Direct fit |
| Weldon Endmill Holder | Side-lock for 3.175 mm shank | ★★★★☆ Compatible |
| Shrink Fit Holder | H4 or better run-out class | ★★★★★ Ideal for high speeds |
| Milling Chuck (Hydraulic) | Standard bore matching shank | ★★★★☆ Compatible |
| Automatic Lathe Block | VDI or BMT interface | ★★★☆☆ Check bore size |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGM04142 |
| Brand | Kyocera Corporation (Japan) |
| Packaging Type | Individual plastic tube with protective wax tip |
| Quantity per Pack | 1 piece |
| Minimum Order Quantity | 1 piece |
| Country of Origin | Japan |
| HS Code | 8207.70.40 |
| Lead Time | Stock item – ships within 24 hours |
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | SGM – Solid Carbide Micro Endmill |
| Product Family Code | SGM-3FL-SQ |
| Tool Category | Solid Endmill / Micro Machining |
| Coating Generation | MEGACOAT (Latest PVD) |
| Grain Size Class | Ultra-Fine (< 0.5 µm) |
| Application Class | Precision Finishing to Light Roughing |
| Industry Sectors | Aerospace, Medical, Mold & Die, Electronics |
| RoHS Compliance | Yes – Lead-free substrate and coating |
| REACH Status | Compliant |
Why Buy from Kyotow.com? Genuine OEM Kyocera cutting tools, full manufacturer warranty, expert CNC application support, and fast worldwide tracked delivery. Bulk pricing available for production quantities.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
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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Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect Supply Chain Transparency サプライチェーンの透明性
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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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
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