Kyocera 9/16" 4FL SQ TC SGS35512 | Endmill - Profiling Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS35512
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1. Product Overview
The Kyocera 9/16" 4FL SQ TC Solid Carbide Endmill (SGS35512) is a General-Purpose Endmill engineered for profiling, slotting, and shoulder milling in steels and stainless steels. Manufactured in Japan from Fine Grain Carbide (0.8 μm), this tool features a PVD TiAlN coating that delivers exceptional thermal stability and wear resistance. The Sharp 90° square corner for precise shoulder milling and profiling makes it ideal for precision CNC milling operations where surface finish and dimensional accuracy are critical.
2. ISO Designation Breakdown
| Position | Code | Description |
|---|---|---|
| Tool Category | EM | Solid Carbide Endmill |
| Nominal Diameter | 9/16" | Cutting Diameter = 0.5625" (14.29 mm) |
| Flute Count | 4FL | 4-Flute Design |
| Corner Geometry | SQ | Square ( 90° ) |
| Carbide Grade | TC | PVD TiAlN |
| Kyocera MPN | SGS35512 | Factory Order Reference |
3. Engineering Dimensions & Geometry
| Parameter | Value (Inch) | Value (Metric) |
|---|---|---|
| Cutting Diameter (D1) | 0.5625" | 14.29 mm |
| Shank Diameter (D2) | 0.5625" | 14.29 mm |
| Flute Length (L1) | 1.125" | 28.57 mm |
| Overall Length (L) | 2.531" | 64.29 mm |
| Corner Radius (R) | 0.0" | 0.0 mm |
| Helix Angle | — | 38° |
| Core Diameter Ratio | — | 0.63×D |
| Form Tolerance | — | ±0.010 mm |
4. Grade Details — Key Grade Characteristics
| Property | Specification |
|---|---|
| Grade Designation | TC |
| Coating System | PVD TiAlN |
| Carbide Substrate | Fine Grain Carbide (0.8 μm) |
| Hardness | 91.8 HRA |
| Coating Color | Dark Bronze |
| Max Operating Temp | Up to 800°C |
| Primary Materials | Steel, Alloy Steel, Hardened Steel up to 55 HRC |
| ISO Application Class | P20-P40, M25-M35 |
Key Features: High toughness with balanced wear resistance. Ideal for interrupted cuts and unstable setups.
5. Grade Comparison Matrix
| Grade | Coating | Grain Size | Hardness | Best Application |
|---|---|---|---|---|
| TX | PVD TiAlN+TiN | Ultra-Fine (0.5μm) | 92.5 HRA | Finishing to Medium Roughing |
| TC (This Grade) | PVD TiAlN | Fine (0.8μm) | 91.8 HRA | Medium to Heavy Roughing |
| PV90 | CVD Al₂O₃+TiCN | Medium (1.2μm) | 91.0 HRA | Heavy Roughing / Interrupted |
6. Flute Geometry & Edge Profile
Unlike indexable inserts, solid carbide endmills rely on integral flute geometry for chip control. The SGS35512 features:
- Helix Angle: 38° variable helix for vibration dampening and smooth cutting action.
- Flute Profile: Parabolic flute form with polished rake face to minimize built-up edge and friction.
- Edge Preparation: Micro-honed cutting edge (T-land + hone) for edge strength without sacrificing sharpness.
- Chip Control: Balanced chip formation with strong center core for stability
- Surface Finish: Mirror-polished flutes (Ra < 0.2 μm) ensure superior chip evacuation and reduced heat generation.
7. Recommended Applications & Workpiece Materials
| Material | Suitability | Vc (m/min) | fz (mm/tooth) |
|---|---|---|---|
| Carbon Steel (C≤0.5%) | Very Good | 100–150 m/min | 0.06–0.18 mm/tooth |
| Alloy Steel (30–45 HRC) | Very Good | 70–100 m/min | 0.05–0.14 mm/tooth |
| Stainless Steel (Austenitic) | Good | 50–80 m/min | 0.04–0.10 mm/tooth |
| Cast Iron (Gray / Ductile) | Good | 80–120 m/min | 0.06–0.16 mm/tooth |
| Hardened Steel (45–55 HRC) | Good | 35–60 m/min | 0.03–0.08 mm/tooth |
8. Application Map by Operation
| Operation | Recommended Use | Performance | Max Ae |
|---|---|---|---|
| Face Milling | General Purpose | Very Good | 0.3–0.6×D |
| Shoulder Milling | Profiling / Semi-Finishing | Very Good | 0.5–1.0×D |
| Profiling | General Purpose | Very Good | Full Depth |
| Slotting | Shallow Slotting | Good | 0.5–1.0×D |
9. Recommended Cutting Conditions
| Parameter | Value | Notes |
|---|---|---|
| Cutting Speed (Vc) | 100 m/min | Start at lower end for unstable setups |
| Spindle Speed (n) | 2227 RPM | Calculated for 9/16" diameter |
| Feed per Tooth (fz) | 0.022 mm | Reduce 20% for hardened steels |
| Feed Rate (Vf) | 195 mm/min | Based on 4 flutes at 2227 RPM |
| Radial Depth (ae) | 0.169" | For finishing; up to 1.0×D for roughing |
| Axial Depth (ap) | 0.281" | Do not exceed flute length |
10. Operating Guidelines
- Runout Check: Ensure toolholder TIR < 0.010 mm at the tool tip. Excessive runout reduces tool life by 30–50%.
- Coolant Recommendation: High-pressure coolant (70+ bar) through spindle is recommended for deep cavity work. For dry machining, reduce Vc by 15%.
- Ramp Entry: Use helical or ramp entry at 1–2° angle. Avoid direct plunging except with 2-flute ball-nose tools.
- Chip Evacuation: Maintain adequate air blast or coolant flow to prevent chip recutting, especially in deep pockets.
- Tool Life Indicator: Monitor spindle load. A 15% increase in load typically indicates wear land reaching 0.15 mm — time for replacement.
- Storage: Store in original packaging at 15–25°C with <60% humidity. Avoid contact with other tools to prevent edge damage.
11. Toolholder Compatibility
Recommended Holders: ER32 / ER40 collet chucks, hydraulic chucks, milling chucks (H4 tolerance recommended)
| Holder Type | Clamping Force | Runout (max) | Best For |
|---|---|---|---|
| ER Collet Chuck | Medium | 0.015 mm | General milling, roughing |
| Hydraulic Chuck | High | 0.008 mm | Finishing, high-speed |
| Shrink-Fit Holder | Very High | 0.005 mm | Precision finishing, HSM |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGS35512 |
| Packaging Unit | 1 piece per plastic tube, 10 tubes per inner box |
| Minimum Order Quantity | 1 piece |
| Warranty | 12 months against manufacturing defects |
| Country of Origin | Japan |
| HS Code | 8207.70.00 |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | SGS Solid Carbide Endmills |
| Product Family | Standard Length, General Purpose |
| Tool Category | Solid Carbide Endmill |
| Tool Material | Cemented Carbide (WC-Co) |
| Surface Treatment | PVD TiAlN |
| Applicable Standard | DIN 844, ANSI B94.19 |
| Last Catalog Update | 2026-Q2 |
| EAN / UPC | Not assigned (industrial SKU) |
Note: All technical data is compiled from Kyocera Precision Tools official catalogs and is provided for reference. Actual cutting parameters should be adjusted based on machine rigidity, workpiece material condition, and coolant delivery. For application-specific support, contact our technical team.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
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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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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。
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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
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Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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