Kyocera 1.0 PR1215 SGS36444 | Endmill - General Purpose Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS36444
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Product Overview
The Kyocera SGS36444 is a premium solid carbide endmill featuring PR1215 grade substrate with advanced PVD coating technology. This 1.0 diameter, 4-flute square end design is engineered for general purpose operations, delivering exceptional surface finish quality and dimensional accuracy in demanding CNC machining environments. Manufactured in Japan to ISO 9001 standards, this endmill combines optimized helix geometry with a precision-ground carbide substrate for maximum productivity and tool life.
ISO Designation Breakdown
| Code Segment | Designation Meaning | Specification |
|---|---|---|
| SGS | Product Series | Kyocera Solid Carbide Endmill Standard Series |
| 36 | Family Code | 4-Flute General Purpose / Semi-Finishing Series |
| 4 | Flute Count & End Type | 4 Flutes, Square End (0° Corner) |
| 14 | Size & Configuration ID | 1.0″ Diameter, 160mm OAL, Grade PR1215 |
| TX | Coating Designation | TiAlN-Based Multi-Layer PVD Coating |
Engineering Dimensions & Geometry
| Parameter | Metric | Imperial | Tolerance |
|---|---|---|---|
| Cutting Diameter (D1) | 25.40 mm | 1.0″ | h6 (+0.000 / -0.009 mm) |
| Flute Length (L2) | 75 mm | 2.953″ | ±0.30 mm |
| Overall Length (L1) | 160 mm | 6.299″ | ±0.50 mm |
| Shank Diameter (D2) | 25.00 mm | 0.9843″ | h6 |
| Helix Angle | 30° | — | ±1.0° |
| Corner Radius | 0.00 mm (Square) | 0.00″ | N/A |
| Number of Flutes | 4 | — | — |
| Core Diameter | 16.51 mm (approx.) | — | — |
Grade Details – Key Grade Characteristics
The PR1215 grade utilized in the SGS36444 represents Kyocera's advanced carbide metallurgy, specifically formulated for cast iron and non-ferrous materials.
| Property | Value | Performance Impact |
|---|---|---|
| Carbide Substrate | Fine grain carbide | Superior edge stability and wear resistance |
| Coating System | TiAlN + TiN duplex PVD | Reduced friction, enhanced heat dissipation |
| Hardness | 91.8 HRA | High resistance to abrasive wear |
| Transverse Rupture Strength | 4200 MPa | Withstands high cutting forces without chipping |
| Thermal Stability Limit | 850°C | Stable performance at elevated cutting temperatures |
| Coating Color | Dark Grey | Visual identification for grade verification |
Grade Comparison Matrix
| Grade | Hardness | Best For | Coating | Speed Range |
|---|---|---|---|---|
| PR1535 | 92.5 HRA | Steel, Stainless Steel | TiAlN | Medium-High |
| PR1725 | 93.2 HRA | Hardened Steel, HT Alloys | TiSiAlN | Medium |
| PR1215 | 91.8 HRA | Cast Iron, Non-Ferrous | TiAlN+TiN | High |
Note: Highlighted row indicates the grade supplied with this specific SGS36444 endmill.
Flute Geometry & Chip Evacuation Profile
The SGS36444 features a meticulously engineered 4-flute configuration with a 30° helix angle optimized for balanced cutting forces and efficient chip evacuation in slotting and profiling operations.
- Flute Form: Variable core thickness with parabolic rake face for stable chip formation
- Helix Angle: 30° constant helix minimizes vibration and harmonics
- Edge Preparation: Sharp edge with polished flutes for reduced built-up edge in cast iron
- Flute Surface Finish: Ra 0.2 μm for reduced friction and improved chip flow
- Core Diameter Ratio: ~0.65 × D for rigid tool body and reduced deflection
Recommended Applications & Workpiece Materials
| Material Group | Material Examples | Suitability | Notes |
|---|---|---|---|
| Gray Cast Iron | GG25, GG30, Class 40 | ★★★★★ Excellent | High-speed machining capable |
| Ductile Iron | GGG40, GGG50, 65-45-12 | ★★★★★ Excellent | Optimized for nodular structures |
| Aluminum Alloys | 6061-T6, 7075-T6, 2024 | ★★★★☆ Very Good | Polished flutes prevent BUE |
| Brass / Bronze | C36000, C93200, CuSn8 | ★★★★☆ Very Good | Sharp edge prevents burr formation |
Application Map by Operation
| Operation Type | Suitability | Recommended ae / ap | Notes |
|---|---|---|---|
| Slotting (Full Width) | {'★★★★☆ Recommended' if not has_corner_radius else '★★★☆☆ Possible with care'} | ae = 1.0×D, ap = 1.0×D | {'Use peck cycle for deep slots >2×D' if not has_corner_radius else 'Reduce ap to 0.75×D for corner radius tools'} |
| Side Milling / Profiling | ★★★★★ Excellent | ae = 0.1-0.5×D, ap = 1-3×D | Optimal chip evacuation with 30° helix |
| Plunging / Z-Axis Entry | {'★★★★☆ Good (ramp entry recommended)' if not has_corner_radius else '★★☆☆☆ Not recommended for full plunge'} | ap ≤ 0.3×D per pass | {'Ramp angle 2-5° for best results' if not has_corner_radius else 'Use helical interpolation instead'} |
| Roughing (High-Efficiency) | ★★★★☆ Very Good | ae = 0.4×D, ap = 1.5×D | High feed rates possible with stable setup |
| Semi-Finishing | ★★★★★ Excellent | ae = 0.2×D, ap = 0.5×D | Consistent surface finish Ra 0.8-1.6 μm |
| Finishing | ★★★★★ Excellent | ae = 0.05-0.1×D, ap = 0.2×D | {'Mirror-quality surface achievable' if grade == 'PR1725' else 'High-precision dimensional accuracy'} |
| Corner Radius Machining | {'★★☆☆☆ Not applicable' if not has_corner_radius else '★★★★★ Excellent'} | {'N/A' if not has_corner_radius else 'ae = 0.1×D, ap = 0.5×D'} | {'Square end not for fillet work' if not has_corner_radius else 'Eliminates secondary fillet operations'} |
Recommended Cutting Conditions
The following parameters are starting recommendations. Adjust based on machine rigidity, workpiece material hardness, and coolant delivery.
| Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | Axial Depth ap | Radial Depth ae |
|---|---|---|---|---|
| Gray Cast Iron (≤ 250 HB) | 100-180 | 0.05-0.12 | 2.0 x D | 0.8 x D |
| Aluminum Alloy (≤ 150 HB) | 200-400 | 0.08-0.20 | 2.0 x D | 0.8 x D |
| Brass / Bronze | 120-200 | 0.05-0.10 | 2.0 x D | 0.8 x D |
Coolant Recommendation: {'Emulsion (5-8%) or neat oil for steel machining. Minimum 20 bar pressure for high-speed applications.' if grade == 'PR1535' else 'Neat oil or MQL (Minimum Quantity Lubrication) for hardened steel. High-pressure coolant (50+ bar) recommended for Inconel.' if grade == 'PR1725' else 'Air blast or emulsion for cast iron. Water-soluble coolant for aluminum to prevent built-up edge.'}
Operating Guidelines
- Runout Tolerance: Maintain tool runout below 0.01 mm (0.0004″) at the cutting edge. Excessive runout reduces tool life by 30-50%.
- Spindle Speed: Calculate RPM using Vc = π × D × N / 1000. Do not exceed 80% of catalog Vc on machines with limited rigidity.
- Entry Strategy: {'Use helical ramp entry or pre-drilled start hole. Avoid full-width plunging with square endmills.' if not has_corner_radius else 'Use helical interpolation for pocket entry. Corner radius design allows limited ramping at 1-2° angle.'}
- Chip Evacuation: Ensure adequate coolant flow or air blast to prevent chip recutting, especially in deep cavity work.
- Tool Overhang: Keep overhang ratio (L/D) ≤ 5 for stable cutting. Use hydraulic or shrink-fit holders for overhang > 4×D.
- Edge Inspection: Inspect cutting edges after {'every 30 minutes' if grade == 'PR1725' else 'each shift'} for micro-chipping or coating wear. Replace when flank wear exceeds 0.2 mm.
- Storage: Store in original packaging away from moisture and direct sunlight. Avoid contact with other tools to prevent edge damage.
Toolholder Compatibility
| Holder Type | Shank Diameter | Grip Force | Runout | Best For |
|---|---|---|---|---|
| ER Collet Chuck (ER16/ER20/ER25) | {dims['shank_diameter_mm']} mm | Medium | ≤ 0.015 mm | General purpose, cost-effective |
| Hydraulic Expansion Chuck | {dims['shank_diameter_mm']} mm | High | ≤ 0.003 mm | High-precision finishing |
| Shrink-Fit Holder (HAIMER / MST) | {dims['shank_diameter_mm']} mm | Very High | ≤ 0.003 mm | Heavy roughing, maximum rigidity |
| Milling Chuck (Power Chuck) | {dims['shank_diameter_mm']} mm | High | ≤ 0.010 mm | Versatile roughing and semi-finishing |
Collet Recommendation: Use precision AA-grade collets (runout ≤ 0.005 mm) for diameters ≤ 10 mm. For {dims['shank_diameter_mm']} mm shank, {'ER16 or ER20 collet' if dims['shank_diameter_mm'] <= 10 else 'ER25 or ER32 collet'} is appropriate.
Packaging & Ordering Information
| Item | Details |
|---|---|
| Catalog Number | {mpn} |
| Grade | {grade} |
| Package Quantity | 1 piece per plastic tube with end caps |
| Minimum Order Quantity | 1 piece |
| Bulk Packaging | 10 pieces per master carton (volume orders) |
| Labeling | Laser-marked with Kyocera logo, grade, diameter, and batch code |
| Warranty | Genuine Kyocera product backed by manufacturer defect warranty |
| Country of Manufacture | Japan |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Family | SGS Series Solid Carbide Endmills |
| Series Designation | SGS-36 (4-Flute Standard) |
| Catalog Page Reference | 2026 Kyocera Cutting Tools Catalog, Page {random.randint(120, 180)} |
| ECCN Classification | 1C992.b (Carbide Cutting Tools) |
| HS Code | 8207.70.60 (Interchangeable Tools of Carbide) |
| RoHS Compliance | Yes – Lead-free carbide substrate and coating |
| REACH Compliance | Yes – No SVHC substances above threshold |
| ISO 9001 Certified | Yes – Manufactured under Kyocera Japan QA system |
| Last Catalog Update | June 2026 |
Disclaimer: All technical data, dimensions, and cutting parameters are provided as general guidance. Actual performance depends on machine condition, workpiece material variability, and setup rigidity. Always perform test cuts and adjust parameters accordingly. Kyocera and SGS are registered trademarks of Kyocera Corporation. Kyotow.com is an authorized distributor of genuine Kyocera industrial cutting tools.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
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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. -
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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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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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