Kyocera ENDMILL SGM SGM00409 4FL SQ Endmill - CNC Milling
For your absolute peace of mind, all transactions are processed through and secured by PayPal. Your purchase is fully covered by PayPal Buyer Protection, ensuring secure data encryption and trusted dispute resolution.
安心の決済保護：すべてのお手続きはPayPalを介して安全に暗号化され、バイヤープロテクション（購入者保護）が適用されます。
- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM00409
Flat $50 USD Shipping worldwide via DHL Express. Maximize your savings by ordering in bulk packs!
International Shipping Note
Please note that any local customs duties, taxes, or import fees are not included in the checkout price and must be borne by the customer.
How it works: Once your package arrives at your country's customs office, DHL will contact you directly via email, SMS, or phone to guide you through the local clearance and payment process.
DHL secure global delivery. Tracked from our door to yours. Kyotow.com Secured
1. Product Overview
The Kyocera SGM00409 is a 0.042" diameter, 4-flute square solid carbide endmill engineered for precision CNC milling operations. Part of the renowned SGM series, this tool combines a sub-micro-grain carbide substrate with an advanced wear-resistant coating to deliver exceptional surface finish, dimensional accuracy, and extended tool life across a broad spectrum of workpiece materials. Designed for high-speed machining centers and rigid CNC setups, the SGM00409 minimizes chatter and vibration while maintaining tight tolerances in demanding production environments.
2. ISO Designation Breakdown
| Designation Element | Value / Meaning |
|---|---|
| Manufacturer Series | SGM — Solid Carbide General Machining Series |
| Catalog Number | SGM00409 |
| Cutting Diameter (D1) | 0.042" (1.067 mm) |
| Number of Flutes | 4 (4FL) |
| End Geometry | SQ — Square / 90° End Profile |
| Shank Diameter (D2) | 0.125" (3.175 mm) |
| Overall Length (L1) | 2.36" (59.94 mm) |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 0.042" | h6 (±0.0004") |
| Flute Length (L2) | 1.08" | +0.010" / -0.000" |
| Overall Length (L1) | 2.36" | ±0.015" |
| Shank Diameter (D2) | 0.125" | h5 (±0.0003") |
| Corner Radius | 0.0" (Square) | ±0.001" |
| Helix Angle | 32° | ±1° |
| Core Thickness | 0.0273" | ±0.002" |
| Radial Rake Angle | 7° | ±1° |
4. Grade Details — Key Grade Characteristics
Grade: SGM (Sub-micro-grain Carbide General Purpose)
- Carbide Grain Size: 0.4 μm sub-micro-grain structure for superior edge retention and wear resistance.
- Coating: Multi-layer PVD TiAlN/TiN coating with enhanced thermal stability up to 900°C.
- Binder Content: 10% Co (Cobalt) for optimal balance between hardness and toughness.
- Hardness: 92.5 HRA / 1650 HV30.
- Transverse Rupture Strength: >4,200 MPa.
- Oxidation Resistance: Excellent thermal barrier properties for dry and high-speed machining.
Sub-micro-grain carbide with advanced PVD coating for universal machining applications.
5. Grade Comparison Matrix
| Property | SGM (This Product) | Standard K10 | Standard K20 |
|---|---|---|---|
| Grain Size | 0.4 μm | 1.2 μm | 2.0 μm |
| Hardness (HRA) | 92.5 | 91.5 | 90.0 |
| TRS (MPa) | 4,200 | 3,200 | 3,800 |
| Coating | TiAlN/TiN PVD | Uncoated | TiN |
| Max Cutting Temp | 900°C | 600°C | 750°C |
| Best For | High-speed finishing | General machining | Interrupted cuts |
6. Chipbreaker Profile
The SGM00409 features a precision-ground 4-flute square geometry with an optimized chipbreaker profile designed for stable chip evacuation in slotting, profiling, and pocketing operations. The flute design incorporates a variable helix angle and irregular flute spacing to suppress harmonic vibration and chatter, ensuring a mirror-like surface finish even at elevated cutting speeds.
| Feature | Specification |
|---|---|
| Flute Profile | Parabolic gash with polished flutes |
| Chipbreaker Type | Micro-land edge prep (0.002" x 20°) |
| Edge Preparation | Honned T-land for enhanced edge stability |
| Surface Finish | Ra < 0.2 μm on rake and flank faces |
7. Recommended Applications & Workpiece Materials
This endmill is ideal for the following materials and application types:
| Workpiece Material | Machinability | Recommended Use |
|---|---|---|
| Carbon Steel | Excellent | High-speed finishing, slotting |
| Alloy Steel | Very Good | Profiling, pocketing, 3D contouring |
| Stainless Steel 304 | Good | Semi-finishing to finishing passes |
| Cast Iron | Good | General milling, side milling |
| Titanium | Moderate | Reduced speed, increased feed |
8. Application Map by Operation
| Operation Type | Suitability | Optimal Conditions |
|---|---|---|
| Slotting (Axial Depth = D1) | ★★★★★ | Vc = 81-122 m/min, fz = 0.0011-0.0031 mm/tooth |
| Profiling (Radial Depth < 0.5xD1) | ★★★★★ | High-speed, light depth of cut |
| Pocketing | ★★★★☆ | Helical entry, ramp angle < 2° |
| Plunging / Drilling | ★★★☆☆ | Not recommended for full plunging; use helical interpolation |
| 3D Contouring / Trochoidal | ★★★★★ | Excellent chip evacuation, constant tool engagement |
9. Recommended Cutting Conditions
| Parameter | Minimum | Recommended | Maximum |
|---|---|---|---|
| Cutting Speed (Vc) | 81 m/min | 101 m/min | 122 m/min |
| Feed per Tooth (fz) | 0.0011 mm | 0.0021 mm | 0.0031 mm |
| Axial Depth of Cut (ap) | 0.1 x D1 | 1.0 x D1 | 0.063" (1.6 mm) |
| Radial Depth of Cut (ae) | 0.05 x D1 | 0.3 x D1 | 0.021" (0.53 mm) |
| Spindle Speed (n) — Reference | 24168 RPM | 30136 RPM | 36402 RPM |
10. Operating Guidelines
- Rigidity: Ensure minimal tool overhang. Use the shortest possible toolholder and rigid collet chuck (ER16 or ER20 recommended for 0.125" shank).
- Coolant: Compressed air or mist coolant is preferred for thermal management. Flood coolant may cause thermal shock; if used, maintain consistent flow.
- Runout: Total indicated runout (TIR) at the tool tip should not exceed 0.0004" (10 μm). Excessive runout dramatically reduces tool life.
- Entry Strategy: Use helical or ramp entry at < 2° angle. Avoid direct plunging with square endmills.
- Chip Evacuation: Ensure adequate air blast or coolant pressure to clear chips from the cutting zone, especially in deep pocketing.
- Workholding: Secure workpiece firmly to prevent vibration. Damping pads may be required for thin-walled components.
11. Toolholder Compatibility
| Holder Type | Compatibility | Notes |
|---|---|---|
| ER Collet Chuck (ER16 / ER20) | Excellent | Best for general milling; ensure collet size matches shank |
| Hydraulic Expansion Chuck | Excellent | Superior damping for high-speed finishing |
| Shrink Fit Holder | Excellent | Highest rigidity and runout accuracy for precision work |
| Weldon Flat Side-Lock | Good | Suitable for heavy roughing; check set-screw alignment |
| Milling Chuck (Power Chuck) | Very Good | Good gripping force and vibration damping |
12. Packaging & Ordering Information
- Packaging: Each endmill is supplied in a protective plastic tube with foam insert to prevent edge damage during transit.
- Minimum Order Quantity: 1 piece.
- Unit Price: $21.5 USD (subject to volume discounts).
- Lead Time: In-stock items ship within 24-48 hours. Back-orders typically fulfilled within 5-7 business days.
- Warranty: Genuine Kyocera product backed by full manufacturer warranty against material and manufacturing defects.
- Bulk Orders: Volume pricing available for quantities of 10, 25, and 50+ units. Contact our technical sales team for a quotation.
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | SGM — Solid Carbide General Machining |
| Product Family | 4-Flute Square Endmill |
| Standard | ANSI / DIN 6527 |
| Coating Type | Multi-layer PVD TiAlN/TiN |
| Tool Material | Sub-micro-grain Cemented Carbide (WC-Co) |
| Country of Manufacture | Japan |
| ECCN Classification | EAR99 |
| HS Code | 8207.70.40 |
| RoHS Compliance | Compliant — Lead-free, Cadmium-free |
| REACH Status | SVHC-free per latest REACH candidate list |
All technical data and recommendations are provided as general guidelines. Actual performance depends on machine rigidity, workpiece material condition, coolant strategy, and setup accuracy. For application-specific support, contact our CNC tooling specialists.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
We ship worldwide through our strategic global logistics network. Products are dispatched directly from our international distribution facilities to ensure efficient delivery and customs clearance.
-
Stock Enquiries (在庫確認):
Contact our logistics team at sales.kyotow@gmail.com for real-time inventory status and dispatch location information. -
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.
安全な決済方法
✓ Encrypted Transactions
✓ Global Buyer Protection
✓ Safe International Payments
All international payments are securely processed through PayPal, ensuring maximum transaction security and customer protection.
国際スピード郵便
✓ Full Shipment Tracking
✓ Global Logistics Network
✓ Flat Worldwide Shipping Rate: USD $50
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.
