Kyocera SGM MEGACOAT NANO SGM00645 4F Square Endmill
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM00645
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1. Product Overview
The Kyocera SGM MEGACOAT NANO SGM00645 is a premium 4-flute square solid carbide endmill engineered for high-precision CNC milling operations. Manufactured in Japan using Kyocera's proprietary MEGACOAT NANO coating technology, this tool delivers exceptional wear resistance, thermal stability, and extended tool life across a broad spectrum of workpiece materials. The 0.040" cutting diameter is a small-diameter tool optimized for precision profiling, pocketing, and small-feature machining in medical device and electronics component manufacturing where dimensional accuracy and surface finish are critical.
2. ISO Designation Breakdown
| Code Segment | Meaning |
|---|---|
| SGM | Kyocera Solid Carbide General-Purpose Micro Endmill Series |
| 0.040 | Cutting Diameter (inch) |
| 4FL | Number of Flutes (4) |
| SQ | End Configuration (Square End, 90°) |
| MEGACOAT NANO | Coating Grade — Nano-layered TiAlN PVD coating |
3. Engineering Dimensions & Geometry
| Parameter | Specification |
|---|---|
| Cutting Diameter (Dc) | 0.040" (1.016 mm) |
| Length of Cut (Lc) | 0.120" (3.05 mm) |
| Overall Length (L) | 1-1/2" (38.1 mm) |
| Shank Diameter (Dcon) | 1/8" (3.175 mm) |
| Number of Flutes (Z) | 4 |
| Helix Angle | 38° |
| Rake Angle | Positive 6° |
| Core Diameter Ratio | 60% |
| End Configuration | Square End (90°) |
| Diameter Tolerance | +0.0000" / -0.0003" (+0.000 / -0.008 mm) |
| Shank Tolerance | h6 (ISO) |
| Runout | ≤ 5 μm (at 3×Dc from tip) |
4. Grade Details — Key Grade Characteristics
| Property | MEGACOAT NANO Specification |
|---|---|
| Coating Technology | Nano-layered TiAlN PVD coating |
| Coating Hardness (HV) | 3,500 HV |
| Oxidation Temperature | 1,150°C |
| Coating Thickness | 2–3 μm (nano-layered) |
| Friction Coefficient | 0.30 (dry) / 0.22 (wet) |
| Substrate Material | Ultra-Fine Grain Cemented Carbide (0.5 μm) |
| Substrate Hardness | 1,650 HV (92.5 HRA) |
| Transverse Rupture Strength | ≥ 4,200 MPa |
5. Grade Comparison Matrix
| Grade | Wear Resistance | Heat Resistance | Chipping Resistance | Best For |
|---|---|---|---|---|
| MEGACOAT | ★★★★☆ | ★★★★☆ | ★★★★★ | General steel, stainless, cast iron |
| MEGACOAT NANO | ★★★★★ | ★★★★★ | ★★★★☆ | Hardened steel, Inconel, titanium |
| MEGACOAT HARD | ★★★★★ | ★★★★★ | ★★★☆☆ | Hard materials > 50 HRC |
6. Chipbreaker Profile
Variable helix with sub-groove chipbreaker design engineered to reduce vibration and harmonics during high-speed machining. The 4-flute geometry features optimized flute spacing for superior chip evacuation in slotting and pocketing operations.
| Feature | Description |
|---|---|
| Flute Surface Finish | Mirror-polished (Ra ≤ 0.1 μm) to minimize chip adhesion |
| Gash Design | Optimized for 4-flute geometry with enhanced chip pocket volume |
| Edge Preparation | Micro-honed cutting edge (T-land: 0.02 mm × 20°) |
| Chip Control | Curled chip formation for safe evacuation in pocketing & slotting |
7. Recommended Applications & Workpiece Materials
Primary Applications: Slotting, Shouldering, Profiling, High-Feed Milling
Compatible Materials: Hardened Steel (up to 50 HRC), Stainless Steel, Inconel, Titanium, Die Steel
| Material Group | Machinability | Notes |
|---|---|---|
| Carbon Steel (≤ 30 HRC) | ★★★★★ | Excellent chip control and surface finish |
| Alloy Steel (30–45 HRC) | ★★★★★ | High-speed finishing with minimal burr |
| Stainless Steel (304/316) | ★★★★☆ | Use coolant for optimal tool life |
| Tool Steel / Die Steel | ★★★★☆ | Pre-hardened to 50 HRC supported |
| Titanium Alloys (Ti-6Al-4V) | ★★★☆☆ | Reduce speed 20–30%; flood coolant essential |
| Cast Iron (FC250, FCD700) | ★★★★★ | Dry or MQL cutting recommended |
8. Application Map by Operation
| Operation | Suitability | Recommended Parameters |
|---|---|---|
| Slotting (ap = 1×Dc) | ● Recommended | ae = 100% Dc, Vc = 80–150 m/min, fz = 0.02–0.05 mm/z |
| Shouldering (ap ≤ 0.5×Dc) | ● Recommended | ae = 50–75% Dc, Vc = 100–200 m/min, fz = 0.03–0.08 mm/z |
| Profiling / Contouring | ● Recommended | ae = 10–30% Dc, Vc = 120–250 m/min, fz = 0.02–0.06 mm/z |
| Plunge Milling | ○ Possible (reduce feed 50%) | Vf = 50–100 mm/min, peck depth = 0.3×Dc |
| High-Feed Milling | ● Recommended | ae = 5–15% Dc, Vc = 150–300 m/min, fz = 0.05–0.15 mm/z |
| Trochoidal Milling | ● Recommended | ae = 5–10% Dc, Vc = 100–180 m/min, fz = 0.03–0.07 mm/z |
9. Recommended Cutting Conditions
| Workpiece Material | Vc (m/min) | fz (mm/z) | ap (mm) | Coolant |
|---|---|---|---|---|
| Carbon Steel (≤ 200 HB) | 120–180 | 0.03–0.06 | 1.0×Dc | Air / MQL |
| Alloy Steel (200–300 HB) | 100–150 | 0.02–0.05 | 0.8×Dc | Water-soluble |
| Stainless Steel (304/316) | 80–120 | 0.02–0.04 | 0.6×Dc | Flood coolant |
| Tool Steel (30–50 HRC) | 60–100 | 0.015–0.03 | 0.5×Dc | Oil / MQL |
| Cast Iron (FC250) | 100–160 | 0.03–0.07 | 1.2×Dc | Dry / Air |
| Titanium Alloy (Ti-6Al-4V) | 40–70 | 0.015–0.025 | 0.4×Dc | Flood coolant |
10. Operating Guidelines
- Run-in Procedure: For first 5 minutes, reduce cutting speed by 20% and feed by 15% to allow coating stabilization.
- Tool Overhang: Keep tool overhang ≤ 4×Dc for optimal rigidity. Use hydraulic or shrink-fit holders for best results.
- Coolant Strategy: High-pressure coolant (70+ bar) is recommended for deep pocketing. For titanium, use 8–12% emulsion concentration.
- Chip Evacuation: Ensure adequate air blast or coolant flow to prevent chip recutting, especially in slotting operations.
- Tool Inspection: Check for coating wear (bronze discoloration) and flank wear (VB max = 0.15 mm) after each shift.
- Storage: Store in original packaging at 15–25°C, humidity < 60% RH. Avoid contact with corrosive agents.
11. Toolholder Compatibility
| Holder Type | Compatibility | Recommendation |
|---|---|---|
| Hydraulic Chuck (HDC) | ● Excellent | Best damping; ideal for finishing & semi-finishing |
| Shrink-Fit Holder | ● Excellent | Maximum runout control (< 3 μm); recommended for micro-milling |
| Collet Chuck (ER16/ER20) | ● Good | Suitable for general milling; ensure collet is in good condition |
| Weldon Side-Lock | ○ Acceptable | Use only for roughing; may induce runout on small diameters |
| Milling Chuck | ● Good | High clamping force; suitable for heavy-duty slotting |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGM00645 |
| Quantity per Pack | 1 piece (individually packaged) |
| Packaging Type | Protective plastic tube with foam insert & anti-corrosion VCI film |
| Minimum Order | 1 piece |
| Bulk Pricing | Available for orders of 10+ pieces — contact sales@kyotow.com |
| Warranty | Full manufacturer warranty against material and workmanship defects |
| Country of Origin | Japan |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | Kyocera SGM Solid Carbide Micro Endmill Series |
| Series Designation | SGM-4FL-SQ |
| ISO Standard | ISO 13399 (Cutting Tool Data Representation) |
| DIN Standard | DIN 6527 (Solid Carbide Endmills) |
| ANSI Standard | ANSI B94.19 (Milling Cutters) |
| Quality Certification | ISO 9001:2015 (Kyocera SGS Precision Tools) |
| Catalog Page Reference | Kyocera SGS Micro Tool Catalog — General Purpose End Mills Section |
| Last Catalog Update | 2025-Q4 |
Note: All technical data provided is based on Kyocera's internal testing under controlled laboratory conditions. Actual performance may vary depending on machine rigidity, workpiece material consistency, coolant type, and operator skill. For application-specific recommendations, contact Kyotow.com technical support.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
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-
Stock Enquiries (在庫確認):
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In-Stock Items (在庫あり):
Normally dispatched within 3 business days from the nearest regional warehouse. -
Factory Procurement (取寄せ):
Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
Authenticity Guarantee (本物保証):
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
-
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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Orders are shipped through our DHL Express corporate account from distribution facilities across Asia, Europe, and China for reliable international delivery.
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。
Domestic Sourced
Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
No Regional Markups
We bypass Western corporate sales teams and localized regional overhead costs entirely.
