Kyocera 1/4" 3FL 0.015R SGS35579 | Endmill - General Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS35579
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- Specification (ä»æ§)
- Ordering & Shipping Info (ã泚æãšé éã«é¢ããéèŠæ å ±)
- Why are our prices low?
1. Product Overview
The Kyocera 1/4" 3FL 0.015R Solid Carbide Endmill (SGS35579) is a High-Efficiency Endmill engineered for roughing and semi-finishing in steels, stainless steels, and non-ferrous alloys. Manufactured in Japan from Ultra-Fine Grain Carbide (0.5 ÎŒm), this tool features a PVD TiAlN + TiN Multi-Layer coating that delivers exceptional thermal stability and wear resistance. The 0.015R corner radius for enhanced edge strength and reduced chipping makes it ideal for precision CNC milling operations where surface finish and dimensional accuracy are critical.
2. ISO Designation Breakdown
| Position | Code | Description |
|---|---|---|
| Tool Category | EM | Solid Carbide Endmill |
| Nominal Diameter | 1/4" | Cutting Diameter = 0.25" (6.35 mm) |
| Flute Count | 3FL | 3-Flute Design |
| Corner Geometry | 0.015R | Corner Radius 0.015R |
| Carbide Grade | PVD TiAlN + TiN Multi-Layer | |
| Kyocera MPN | SGS35579 | Factory Order Reference |
3. Engineering Dimensions & Geometry
| Parameter | Value (Inch) | Value (Metric) |
|---|---|---|
| Cutting Diameter (D1) | 0.25" | 6.35 mm |
| Shank Diameter (D2) | 0.25" | 6.35 mm |
| Flute Length (L1) | 0.625" | 15.88 mm |
| Overall Length (L) | 1.25" | 31.75 mm |
| Corner Radius (R) | 0.0" | 0.0 mm |
| Helix Angle | â | 35° |
| Core Diameter Ratio | â | 0.61ÃD |
| Form Tolerance | â | ±0.010 mm |
4. Grade Details â Key Grade Characteristics
| Property | Specification |
|---|---|
| Grade Designation | TX |
| Coating System | PVD TiAlN + TiN Multi-Layer |
| Carbide Substrate | Ultra-Fine Grain Carbide (0.5 ÎŒm) |
| Hardness | 92.5 HRA |
| Coating Color | Copper-Bronze |
| Max Operating Temp | Up to 900°C |
| Primary Materials | Steel, Stainless Steel, Cast Iron |
| ISO Application Class | P15-P30, M20-M30, K20-K30 |
Key Features: Exceptional wear resistance, thermal stability, and edge strength. Optimized for dry and wet machining.
5. Grade Comparison Matrix
| Grade | Coating | Grain Size | Hardness | Best Application |
|---|---|---|---|---|
| TX | PVD TiAlN+TiN | Ultra-Fine (0.5ÎŒm) | 92.5 HRA | Finishing to Medium Roughing |
| TC (This Grade) | PVD TiAlN | Fine (0.8ÎŒm) | 91.8 HRA | Medium to Heavy Roughing |
| PV90 | CVD AlâOâ+TiCN | Medium (1.2ÎŒm) | 91.0 HRA | Heavy Roughing / Interrupted |
6. Flute Geometry & Edge Profile
Unlike indexable inserts, solid carbide endmills rely on integral flute geometry for chip control. The SGS35579 features:
- Helix Angle: 35° variable helix for vibration dampening and smooth cutting action.
- Flute Profile: Parabolic flute form with polished rake face to minimize built-up edge and friction.
- Edge Preparation: Micro-honed cutting edge (T-land + hone) for edge strength without sacrificing sharpness.
- Chip Control: Aggressive chip evacuation with large flute volume
- Surface Finish: Mirror-polished flutes (Ra < 0.2 ÎŒm) ensure superior chip evacuation and reduced heat generation.
7. Recommended Applications & Workpiece Materials
| Material | Suitability | Vc (m/min) | fz (mm/tooth) |
|---|---|---|---|
| Carbon Steel (Câ€0.5%) | Very Good | 100â150 m/min | 0.06â0.18 mm/tooth |
| Alloy Steel (30â45 HRC) | Very Good | 70â100 m/min | 0.05â0.14 mm/tooth |
| Stainless Steel (Austenitic) | Good | 50â80 m/min | 0.04â0.10 mm/tooth |
| Cast Iron (Gray / Ductile) | Good | 80â120 m/min | 0.06â0.16 mm/tooth |
| Hardened Steel (45â55 HRC) | Good | 35â60 m/min | 0.03â0.08 mm/tooth |
8. Application Map by Operation
| Operation | Recommended Use | Performance | Max Ae |
|---|---|---|---|
| Face Milling | Roughing / Semi-Finishing | Excellent | 0.5â1.0ÃD |
| Shoulder Milling | Roughing | Excellent | 1.0â2.0ÃD |
| Profiling | High-Efficiency Roughing | Excellent | Full Depth |
| Slotting | Deep Slotting | Very Good | 1.0â2.0ÃD |
9. Recommended Cutting Conditions
| Parameter | Value | Notes |
|---|---|---|
| Cutting Speed (Vc) | 100 m/min | Start at lower end for unstable setups |
| Spindle Speed (n) | 5012 RPM | Calculated for 1/4" diameter |
| Feed per Tooth (fz) | 0.022 mm | Reduce 20% for hardened steels |
| Feed Rate (Vf) | 330 mm/min | Based on 3 flutes at 5012 RPM |
| Radial Depth (ae) | 0.25" | For finishing; up to 1.0ÃD for roughing |
| Axial Depth (ap) | 0.125" | Do not exceed flute length |
10. Operating Guidelines
- Runout Check: Ensure toolholder TIR < 0.010 mm at the tool tip. Excessive runout reduces tool life by 30â50%.
- Coolant Recommendation: High-pressure coolant (70+ bar) through spindle is recommended for deep cavity work. For dry machining, reduce Vc by 15%.
- Ramp Entry: Use helical or ramp entry at 1â2° angle. Avoid direct plunging except with 2-flute ball-nose tools.
- Chip Evacuation: Maintain adequate air blast or coolant flow to prevent chip recutting, especially in deep pockets.
- Tool Life Indicator: Monitor spindle load. A 15% increase in load typically indicates wear land reaching 0.15 mm â time for replacement.
- Storage: Store in original packaging at 15â25°C with <60% humidity. Avoid contact with other tools to prevent edge damage.
11. Toolholder Compatibility
Recommended Holders: ER16 / ER20 collet chucks, shrink-fit holders (H4 tolerance recommended)
| Holder Type | Clamping Force | Runout (max) | Best For |
|---|---|---|---|
| ER Collet Chuck | Medium | 0.015 mm | General milling, roughing |
| Hydraulic Chuck | High | 0.008 mm | Finishing, high-speed |
| Shrink-Fit Holder | Very High | 0.005 mm | Precision finishing, HSM |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGS35579 |
| Packaging Unit | 3 pieces per plastic tube, 10 tubes per inner box |
| Minimum Order Quantity | 1 piece |
| Warranty | 12 months against manufacturing defects |
| Country of Origin | Japan |
| HS Code | 8207.70.00 |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | SGS Solid Carbide Endmills |
| Product Family | Standard Length, General Purpose |
| Tool Category | Solid Carbide Endmill |
| Tool Material | Cemented Carbide (WC-Co) |
| Surface Treatment | PVD TiAlN + TiN Multi-Layer |
| Applicable Standard | DIN 844, ANSI B94.19 |
| Last Catalog Update | 2026-Q2 |
| EAN / UPC | Not assigned (industrial SKU) |
Note: All technical data is compiled from Kyocera Precision Tools official catalogs and is provided for reference. Actual cutting parameters should be adjusted based on machine rigidity, workpiece material condition, and coolant delivery. For application-specific support, contact our technical team.
â Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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- 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.
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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? (äŸ¡æ Œãå®ãçç±): 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.
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