Kyocera 21/64 ENDMILL 3FL SQ TN SGS39741
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS39741
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1. Product Overview
The Kyocera 21/64 ENDMILL 3FL SQ TN SGS39741 is a solid-carbide 3-flute square end mill for general-purpose CNC milling and finishing. The 3-flute configuration provides a strong cross-section and smooth chip flow in slotting, profiling and pocketing.
2. ISO Designation Breakdown
| Brand / model | Kyocera ENDMILL |
| Nominal size | 21/64 inch |
| Flute count | 3FL (3 flutes) |
| Tip geometry | SQ (square, 0° corner radius) |
| Coating code | TN (PVD titanium nitride) |
| Manufacturer part number | SGS39741 |
3. Engineering Dimensions & Geometry
| Cutting diameter Dc | 21/64 in / 8.33 mm |
| Shank diameter Ds | 21/64 in / 8.33 mm |
| Flute length Lf | ~0.85 in / 21.6 mm (typical) |
| Overall length L | ~2.50 in / 63.5 mm (typical) |
| Number of flutes (Z) | 3 |
| Helix angle | ~30° |
| Corner radius | Square (0.0 mm) |
| Center cutting | Yes |
4. Grade Details & Characteristics
- Substrate: micro-grain solid carbide for high hardness and edge stability.
- Coating: PVD TiN (TN) reduces built-up edge and improves wear resistance.
- Edge preparation: sharp, precision-ground flutes for clean surface finish.
- Performance: balanced cutting forces and good heat control at moderate speeds.
5. Grade Comparison Matrix
| Variant | Coating | Best application |
|---|---|---|
| SGS39741 3FL SQ TN | TiN | Steel, stainless, cast iron, general machining |
| Uncoated 3FL SQ | None | Aluminum, plastics, non-ferrous |
| 2FL SQ variant | TiN | Heavy slotting, larger chip pockets |
6. Chipbreaker Profile
- Three evenly spaced flutes create stable chip evacuation.
- Primary rake face and gullet shaped to curl and break chips.
- Square end geometry supports axial plunge and side milling.
7. Recommended Applications & Materials
- Carbon and alloy steels
- Stainless steels (moderate speeds)
- Cast iron
- Non-ferrous metals (with appropriate coolant and speeds)
- General engineering and job-shop production
8. Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| Slotting | Good | Use 1xD cutting depth and climb milling |
| Shoulder / side milling | Excellent | Stable wall finish with 5–10% radial stepover |
| Pocketing | Good | High-speed trochoidal paths recommended |
| Plunge / ramping | Good | Center-cutting; keep ramp angle < 5° |
9. Recommended Cutting Conditions
Values are starting recommendations for stable setups using coolant; adjust based on machine rigidity and material.
| Material | Vc (SFM) | fz (IPT) | Coolant |
|---|---|---|---|
| Mild / carbon steel | 180–250 | 0.001–0.002 | Emulsion / air |
| Stainless steel | 120–180 | 0.0008–0.0015 | Emulsion |
| Cast iron | 150–220 | 0.001–0.002 | Air / emulsion |
| Aluminum | 300–450 | 0.0015–0.003 | Air / mist |
10. Operating Guidelines
- Run-out: keep total indicator run-out below 0.01 mm at the tool tip.
- Climb milling is preferred for better surface finish and longer tool life.
- Use adequate coolant or compressed air to clear chips and reduce heat.
- Re-sharpen or replace once flank wear exceeds 0.15 mm.
11. Toolholder Compatibility
- ER16 / ER20 collet chucks with 21/64 in or 8 mm collet
- Sidelock / Weldon end-mill holders (21/64 in or 8 mm bore)
- High-precision milling chucks and hydraulic holders
12. Packaging & Ordering Info
- Unit of sale: each end mill, individually packed.
- MPN: SGS39741
- Category: Solid carbide end mills (ID 355)
- Availability: in stock; minimum order quantity 1.
13. Catalog Meta Data
| Product ID | 25989 |
| Model | ENDMILL |
| Manufacturer | Kyocera |
| Weight | 0.1 kg |
| Status | Enabled |
✓ 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.
