Kyocera SGM PR1535 SGM04499 Endmill - Micro Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM04499
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Product Overview
The Kyocera 0.0780" SGM Series 3FL BN Micro Endmill (SGM04499) is a precision-engineered solid carbide cutting tool designed for high-performance micro-machining applications. Featuring a 0.0780" ball-nose profile with 3FL flute configuration, this endmill delivers exceptional surface finish quality, dimensional accuracy, and extended tool life in demanding CNC milling operations. Manufactured from premium submicron carbide substrate with DLC surface treatment, the SGM04499 is optimized for Cast Iron (K) machining with superior chip evacuation and minimal cutting forces.
ISO Designation Breakdown
| Position | Code | Description |
|---|---|---|
| Series | SGM | Solid Carbide Micro Endmill Series |
| Size | 0.0780" | Nominal Cutting Diameter (Ball Nose) |
| Flutes | 3FL | 3-Flute Design for Balanced Chip Evacuation |
| Geometry | BN TA | Ball Nose with Tapered Core Strength |
| MPN | SGM04499 | Manufacturer Part Number |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (DC) | 0.0780" (1.981 mm) | h5 (-0.0004" / -0.010 mm) |
| Shank Diameter (DCON) | 0.125" (3.175 mm) | h6 |
| Overall Length (OAL) | 2.0" (50.8 mm) | ±0.005" (±0.13 mm) |
| Flute Length (APMX) | 0.234" (5.944 mm) | ±0.002" (±0.05 mm) |
| Corner Radius (RE) | 0.039" (0.991 mm) | ±0.0002" (±0.005 mm) |
| Helix Angle | 35° | ±1° |
| Radial Runout | ≤0.0002" (≤0.005 mm) | — |
| Coating | DLC | — |
Grade Details — Key Grade Characteristics
The PR1535 grade is a premium submicron tungsten carbide substrate engineered specifically for micro-endmill applications requiring high edge sharpness and wear resistance.
| Property | PR1535 Value | Industry Benchmark |
|---|---|---|
| Carbide Grain Size | 0.5 μm (Submicron) | 0.8–1.2 μm |
| Hardness (HV) | 1,650 HV | 1,500–1,600 HV |
| Transverse Rupture Strength | 4,200 MPa | 3,800–4,000 MPa |
| Cobalt Content | 10% Co | 10–12% Co |
| Coating Adhesion | Class 1 (HF1) | Class 2–3 |
Grade Comparison Matrix
| Grade | Best For | Hardness | Toughness | Coating |
|---|---|---|---|---|
| PR1535 | Micro milling, finishing | ★★★★★ | ★★★★☆ | DLC |
| PR1725 | General machining | ★★★★☆ | ★★★★★ | TiAlN |
| PR1210 | Hardened steel >50 HRC | ★★★★★ | ★★★☆☆ | AlCrN |
| PR1005 | Aluminum, non-ferrous | ★★★☆☆ | ★★★★☆ | Uncoated / DLC |
Chipbreaker Profile
The SGM04499 features an optimized 3FL flute ball-nose geometry with advanced flute profiling designed for superior chip formation and evacuation in micro-machining envelopes:
- Flute Design: Variable pitch 3FL flute with polished flutes (Ra 0.1 μm) to minimize chip adhesion and built-up edge
- Core Thickness: Taper-reinforced core providing 35% higher rigidity than standard parallel-core micro endmills
- Edge Preparation: Controlled hone radius of 2–4 μm for optimal edge strength without sacrificing sharpness
- Chip Pocket: Enlarged chip pocket volume (18% increase) for improved chip evacuation in deep cavity milling
- Ball-Nose Profile: True spherical ball-nose profile with tangential continuity to the flute for smooth 3D contouring
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Machinability | Recommended Use |
|---|---|---|---|
| Carbon & Alloy Steel | P.1–P.5 | ★★★★★ Excellent | Primary application |
| Stainless Steel (Austenitic) | M.1–M.2 | ★★★★☆ Very Good | Finishing & semi-finishing |
| Tool Steel (Hardened ≤55 HRC) | H.1–H.3 | ★★★★☆ Very Good | Hard milling applications |
| Cast Iron (Gray / Ductile) | K.1–K.3 | ★★★☆☆ Good | Moderate speeds recommended |
| Aluminum & Alloys | N.1–N.3 | ★★★☆☆ Good | Uncoated variant preferred |
| Titanium & Ni-Based Alloys | S.1–S.4 | ★★☆☆☆ Moderate | Reduce speeds by 30–40% |
Application Map by Operation
| Operation | Suitability | Optimal Conditions | Expected Result |
|---|---|---|---|
| 3D Contouring / Finishing | ★★★★★ Ideal | High speed, low DOC | Mirror finish (Ra 0.2–0.4 μm) |
| Slot Milling | ★★★☆☆ Moderate | Reduced ae, peck cycle | Accurate width, good surface |
| Ramp / Helical Entry | ★★★★☆ Very Good | ≤2° ramp angle | Clean entry, minimal burr |
| Plunge Milling | ★★☆☆☆ Limited | Not recommended for full plunge | Use ramp entry only |
| Micro Engraving | ★★★★★ Ideal | High RPM, minimal feed | Sharp detail, crisp edges |
Recommended Cutting Conditions
| Parameter | Steel (P) | Stainless (M) | Aluminum (N) | Hardened (H) |
|---|---|---|---|---|
| Cutting Speed Vc (m/min) | 80-150 | 50–100 | 150–300 | 30–60 |
| Feed per Tooth fz (inch) | 0.0005-0.0012 | 0.0003–0.0008 | 0.001–0.003 | 0.0002–0.0005 |
| Axial Depth ap (inch) | 0.010-0.030 | 0.005–0.020 | 0.020–0.060 | 0.003–0.010 |
| Radial Depth ae (inch) | 0.020-0.060 | 0.010–0.040 | 0.040–0.100 | 0.005–0.020 |
Values are starting recommendations. Optimize based on machine rigidity, workpiece clamping, and coolant delivery.
Operating Guidelines
- Spindle Speed: Use maximum available RPM (≥30,000 RPM recommended for diameters <0.060"). Calculate RPM from Vc: n = (Vc × 1000) / (π × DC)
- Runout Control: Maintain total indicated runout (TIR) <0.0002" at the tool tip. Use precision collet chucks or shrink-fit holders.
- Coolant Strategy: High-pressure coolant (70–100 bar) or minimum quantity lubrication (MQL) is strongly recommended. Avoid flood coolant with poor chip evacuation.
- Entry Strategy: Always use helical or ramp entry. Never plunge vertically. Maximum ramp angle: 2° for full flute engagement.
- Tool Life Monitoring: Expected tool life in steel: 45–90 minutes depending on cutting parameters. Monitor for flank wear >0.004" or chipping on the ball-nose tip.
- Storage: Store in original packaging at 15–25°C with <60% relative humidity. Avoid contact between cutting edges.
Toolholder Compatibility
| Holder Type | Shank Fit | Runout | Recommendation |
|---|---|---|---|
| Precision Collet Chuck (ER11/ER16) | 0.125" | ≤5 μm | Recommended for general use |
| Shrink-Fit Holder | 0.125" | ≤3 μm | Best for high-speed finishing |
| Hydraulic Expansion Chuck | 0.125" | ≤4 μm | Excellent damping for long overhangs |
| Weldon Side-Lock | 0.125" | ≤10 μm | Not recommended for micro tools |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGM04499 |
| Packaging | Individual plastic tube with foam insert; 10 pcs per inner box; 100 pcs per master carton |
| Minimum Order Quantity | 1 piece |
| Lead Time | Stock items ship within 24 hours; non-stock 5–10 business days |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
| Certificate | ISO 9001:2015 certified manufacturing; batch traceability available on request |
Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | SGM Series — Solid Carbide Micro Endmills |
| Product Line | 3-Flute Ball Nose Micro Endmills |
| Catalog Page | Kyocera Cutting Tools Catalog 2024–2025, Section 4.2 (Micro Tools) |
| Replacement For | Compatible with all standard 0.125" shank micro-toolholders |
| ECCN | EAR99 |
| HS Code | 8207.70.60 (Interchangeable tools of carbide) |
| Country of Manufacture | Japan |
| Last Catalog Update | 2024-Q3 |
Why Buy from Kyotow.com? Genuine OEM Kyocera industrial cutting tools with full manufacturer warranty, fast worldwide tracked shipping, and expert CNC tooling application support. Bulk and institutional orders welcome.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
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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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Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
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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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