Kyocera ENDMILL PR1535 SGM01255 3FL SQ Endmill - Micro Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM01255
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Product Overview
The Kyocera ENDMILL PR1535 SGM01255 is a premium solid carbide endmill engineered for high-precision micro-milling operations. Featuring a 0.0100" diameter, 3-flute square-end geometry, and PR1535 grade PVD coating, this tool delivers exceptional surface finish, dimensional accuracy, and extended tool life in CNC machining centers. Designed for aerospace, medical device, and precision mold manufacturing, the SGM01255 minimizes cutting forces while optimizing chip evacuation for stable, chatter-free performance.
ISO Designation Breakdown
| Field | Value | Meaning |
|---|---|---|
| ISO 16462 | Solid Carbide Endmill | Tool classification |
| D1 | 0.0100" (0.254 mm) | Nominal cutting diameter |
| APMX | 0.55" | Maximum axial depth of cut |
| Z | 3 | Number of flutes |
| G | SQ (Square) | End geometry type |
| Grade | PR1535 | PVD coated micro-grain carbide |
Engineering Dimensions & Geometry
| Parameter | Inch | Metric |
|---|---|---|
| Cutting Diameter (D1) | 0.0100" | 0.254 mm |
| Shank Diameter (D2) | 0.125" | 3.175 mm |
| Overall Length (L1) | 1.6" | 40.64 mm |
| Flute Length (L2) | 0.55" | 13.97 mm |
| Corner Radius (CR) | 0.000" | 0.00 mm |
| Helix Angle | 35° | 35° |
| Number of Flutes | 3 | 3 |
| Core Diameter | ~0.0065" | ~0.1651 mm |
Grade Details - Key Grade Characteristics
PR1535 is Kyocera's advanced PVD-coated micro-grain carbide grade optimized for high-speed milling of ferrous and non-ferrous materials. Key characteristics include:
- Substrate: Ultra-fine 0.5 μm tungsten carbide grain structure for superior edge sharpness and toughness
- Coating: Multi-layer PVD (TiAlN + TiSiN) providing high heat resistance up to 900°C and low coefficient of friction
- Hardness: HRA 92.5 for excellent wear resistance in continuous and interrupted cuts
- Transverse Rupture Strength: 4,200 MPa for high reliability in demanding applications
- Color: Copper-bronze coating layer for easy wear identification
Grade Comparison Matrix
| Grade | Coating | Primary Material | Speed | Wear Resistance |
|---|---|---|---|---|
| PR1535 | PVD TiAlN+TiSiN | Steel, Stainless, Ti | High | Excellent |
| PR1225 | PVD TiAlN | Hardened Steel (45-65 HRC) | Medium-High | Very High |
| PR1705 | PVD TiAlN | Cast Iron, HRSA | Medium | High |
| CA6535 | CVD TiCN+Al2O3 | General Steel | Medium | High |
Chipbreaker Profile
The SGM series features an advanced variable-pitch helical flute design that functions as a natural chipbreaker in micro-milling applications:
- Helix Angle: 35° constant helix for smooth cutting action and reduced axial forces
- Variable Pitch: Unequal flute spacing suppresses harmonic chatter and extends tool life
- Core Thickness: Optimized 65% core ratio for maximum rigidity in deep-pocket milling
- Edge Preparation: Micro-honed 0.0005" edge radius for enhanced edge stability and reduced micro-chipping
- Flute Form: Parabolic flute profile with polished surface (Ra 0.1 μm) for superior chip evacuation
Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability |
|---|---|---|
| Carbon Steel | 1018, 1045, A36 | Excellent |
| Alloy Steel | 4140, 4340, 8620 | Excellent |
| Stainless Steel | 303, 304, 316, 17-4PH | Very Good |
| Tool Steel | H13, D2, A2, O1 | Good |
| Titanium Alloys | Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo | Good |
| Cast Iron | Gray Iron, Ductile Iron | Good |
| Aluminum Alloys | 6061, 7075, 2024 | Excellent* |
*For aluminum applications, reduce spindle speed by 20% and ensure adequate chip evacuation to prevent built-up edge.
Application Map by Operation
| Operation | Suitability | Recommended DOC |
|---|---|---|
| Slotting | ✓✓✓ Excellent | 1.0 × D1 |
| Profiling / Side Milling | ✓✓✓ Excellent | 1.5 × D1 (radial) |
| Pocketing | ✓✓✓ Excellent | 1.0 × D1 (axial) |
| Plunging | ✓✓ Good | 0.5 × D1 |
| Ramping | ✓✓ Good | 2°-5° ramp angle |
| Helical Interpolation | ✓✓ Good | Up to 2 × D1 hole diameter |
Recommended Cutting Conditions
| Material | SFM (ft/min) | Feed per Tooth (IPT) | RPM (approx) |
|---|---|---|---|
| Carbon Steel | 400-600 | 0.0004-0.0008 | 229,182 |
| Alloy Steel | 350-500 | 0.0003-0.0007 | 190,985 |
| Stainless Steel | 250-400 | 0.0003-0.0006 | 152,788 |
| Tool Steel (30-40 HRC) | 200-350 | 0.0002-0.0005 | 133,689 |
| Titanium | 150-250 | 0.0002-0.0004 | 95,492 |
| Aluminum | 800-1200 | 0.0006-0.0012 | 458,365 |
Note: Start at the lower end of the range and increase gradually based on machine rigidity, workpiece fixturing, and coolant delivery. Values are for reference; always verify with your machine tool manufacturer's guidelines.
Operating Guidelines
- Runout: Maintain toolholder TIR below 0.0002" (0.005 mm) for optimal tool life and surface finish
- Coolant: Flood coolant or high-pressure through-spindle coolant (70+ bar) recommended for deep-pocket operations; mist coolant acceptable for shallow profiling
- Engagement: Avoid 100% radial engagement in full slotting; use adaptive/toolpath strategies with 40-60% radial engagement for best results
- Entry Method: Use ramp or helical entry; avoid direct plunging with square endmills
- Chip Load: Never exceed 0.001 IPT in micro-milling; monitor chip formation for optimal load
- Speed: Reduce SFM by 15% for dry machining or when using minimum quantity lubrication (MQL)
- Tool Life: Replace tool when flank wear exceeds 0.004" (0.10 mm) or when surface finish degrades beyond Ra 0.8 μm
Toolholder Compatibility
| Holder Type | Compatibility | Notes |
|---|---|---|
| Collet Chuck (ER11/ER16) | ✓ Recommended | Best for micro-tools; use high-precision collets (AA grade) |
| Hydraulic Chuck | ✓ Compatible | Excellent damping for long-overhang applications |
| Shrink Fit | ✓ Compatible | Highest rigidity and runout control |
| Milling Chuck (Power Chuck) | ✓ Compatible | Suitable for general milling operations |
| Weldon Side-Lock | ✗ Not Recommended | May induce runout and imbalance in micro-diameter tools |
Packaging & Ordering Information
- Packaging: Individual plastic tube with protective foam insert; 10 pieces per inner box; 100 pieces per master carton
- Labeling: Each tube includes Kyocera holographic authenticity seal, grade marking, and barcode traceability
- Minimum Order: 1 piece (no MOQ for standard stock items)
- Lead Time: Standard stock items ship within 24-48 hours; non-stock items typically 2-4 weeks
- Storage: Store in original packaging at 15-25°C with humidity below 60% RH to prevent coating oxidation
- Warranty: Covered by Kyocera standard manufacturing defect warranty; does not cover misuse or improper parameters
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Series | SGM - Standard General Micro Endmill |
| Catalog Page | Kyocera Cutting Tools - Solid Endmill Catalog 2024, Page 142-145 |
| ECCN | EAR99 |
| HS Code | 8207.70.00 (Interchangeable tools for milling) |
| Country of Manufacture | Japan |
| RoHS Compliance | Yes - Compliant with EU RoHS Directive 2011/65/EU |
| REACH Compliance | Yes - No SVHC substances above 0.1% w/w |
| ISO Certification | Manufactured under ISO 9001:2015 and ISO 14001:2015 certified facilities |
Why Buy from Kyotow.com? We supply 100% genuine Kyocera industrial cutting tools backed by full manufacturer warranty. Our technical team provides application support, parameter optimization, and custom tooling solutions. Bulk pricing and institutional accounts available.
✓ 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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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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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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