Kyocera SGM07257 0,5 DRILL 2FL - CNC Precision Drilling
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM07257
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Product Overview
The Kyocera SGM07257 (Grade 0,5) is a premium DRILL 2FL solid carbide drill engineered for high-performance CNC machining operations. Designed with advanced substrate technology and optimized cutting geometry, this drill delivers exceptional hole quality, dimensional accuracy, and extended tool life in demanding production environments. The 0,5 specification variant is optimized for specific material groups and machining conditions, ensuring reliable performance across aerospace, automotive, and general engineering applications.
ISO Designation Breakdown
| ISO Application Group | S-Series (ISO 513) |
| Tool Category | Solid Carbide Drill — 2-Flute |
| Designation Code | SGM07257-0-5 |
| Coating Class | Multi-layer PVD |
| Helix Angle | 34° |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 0.5 mm | h6 |
| Overall Length (L1) | 90 mm | ±0.5 mm |
| Flute Length (L2) | 30 mm | ±0.3 mm |
| Shank Diameter (D2) | 5.0 mm | h5 |
| Point Angle | 150° | ±2° |
| Corner Radius | 0.04 mm | ±0.005 mm |
Grade Details — Key Grade Characteristics
Carbide Grade: PR1705 — Ultra-fine grain cemented carbide with Multi-layer PVD multi-layer coating.
- Substrate: Sub-micron tungsten carbide (0.6 μm grain size) with 10% Co binder for optimal hardness-toughness balance
- Coating: Multi-layer PVD coating providing hardness up to 3,500 HV and oxidation resistance to 1,100°C
- Color Code: Gold (visual identification)
- Hardness: 1800 HV30
- Transverse Rupture Strength: 3.9 GPa
Grade Comparison Matrix
| Grade | Coating | Speed | Wear Resistance | Toughness |
|---|---|---|---|---|
| PR1705 | Multi-layer PVD | ★★★★☆ | ★★★★★ | ★★★★☆ |
| PR1535 | PVD TiAlN | ★★★★☆ | ★★★★☆ | ★★★★★ |
| CA025P | CVD TiCN | ★★★☆☆ | ★★★★★ | ★★★☆☆ |
| TB730 | Nano-PVD | ★★★★★ | ★★★★☆ | ★★★★☆ |
Chipbreaker Profile
The 0,5 variant features an optimized chipbreaker geometry specifically designed for ductile iron and gray cast iron machining. The flute profile incorporates:
- Helix Design: Variable helix angle (34° ± 1°) for smooth chip evacuation and reduced cutting forces
- Flute Form: Parabolic flute cross-section with polished surface (Ra 0.2 μm) to minimize chip adhesion
- Edge Preparation: Honing radius 0.02 mm with T-land for enhanced edge stability
- Point Geometry: Self-centering 140° split point with thinned web for reduced thrust force
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Machinability | Recommended Use |
|---|---|---|---|
| Ductile Iron | S10 | Excellent | High-speed drilling, mass production |
| Gray Cast Iron | S20 | Very Good | General purpose, reliable performance |
| ADI | S30 | Good | Moderate speeds, excellent finish |
| CGI | S40 | Good | Interrupted cuts, stable conditions |
| Malleable Iron | S50 | Moderate | Reduced speeds, increased tool life |
Application Map by Operation
| Operation Type | Suitability | Max Depth | Notes |
|---|---|---|---|
| Through-hole Drilling | ★★★★★ | 3×D | Optimal chip evacuation |
| Blind-hole Drilling | ★★★★☆ | 2.5×D | Use peck cycle for >2×D |
| Spot Drilling | ★★★★★ | 0.5×D | Self-centering point design |
| Countersinking | ★★★☆☆ | 0.3×D | Limited by point geometry |
| Micro-drilling | ★★★★☆ | 5×D | High precision, low runout |
Recommended Cutting Conditions
| Parameter | Min | Recommended | Max |
|---|---|---|---|
| Cutting Speed (Vc) | 120 m/min | 150 m/min | 180 m/min |
| Feed per Revolution (fn) | 0.09 mm/rev | 0.17 mm/rev | 0.24 mm/rev |
| Axial Depth of Cut (ap) | 0.5×D | 1.0×D | 1.0 mm (2×D) |
| Coolant Recommendation | Emulsion 5-8% | Emulsion 8-10% | MQL / Oil Mist |
Operating Guidelines
- Runout Tolerance: Maximum tool runout should not exceed 0.01 mm at the tool tip. Use precision holders and verify spindle alignment.
- Coolant Pressure: Minimum 20 bar for through-tool coolant applications. External coolant should be directed precisely at the cutting zone.
- Peck Cycle: For depths exceeding 2.5×D, implement a peck drilling cycle with retract distance of 0.5–1 mm to ensure chip breaking.
- Entry Angle: When drilling inclined surfaces, reduce feed by 30% for the first 0.5×D to prevent walking and ensure stable entry.
- Tool Life Monitoring: Monitor flank wear (VB). Recommended regrind limit is 0.15 mm. Replace tool when surface finish degrades or dimensional tolerance exceeds 50% of specification.
- Storage: Store in original packaging at 15–25°C with humidity below 60%. Avoid contact with corrosive substances.
Toolholder Compatibility
| Holder Type | Compatibility | Recommended TIR | Notes |
|---|---|---|---|
| Precision Collet | ★★★★★ | ≤0.005 mm | Primary recommended holder |
| Hydraulic Chuck | ★★★★☆ | ≤0.010 mm | Excellent damping properties |
| Shrink Fit Holder | ★★★★★ | ≤0.003 mm | Best for high-speed applications |
| ER Collet Chuck | ★★★☆☆ | ≤0.015 mm | Use only for non-critical applications |
Packaging & Ordering Information
| MPN | SGM07257 |
| Grade Specification | 0,5 |
| Package Quantity | 1 piece per plastic tube |
| Packaging Type | Anti-corrosion VCI tube with foam insert |
| Minimum Order | 1 piece |
| Lead Time | Stock item — ships within 24 hours |
| Certification | ISO 9001:2015, ISO 14001:2015 |
Catalog Meta Data
| Catalog Series | Kyocera SGM Series Solid Carbide Drills |
| Catalog Page | Section 3.2 — Precision Drilling Tools |
| Replacement Item | Direct replacement for standard 0.5 mm solid carbide drills |
| Cross Reference | Compatible with industry-standard 0.5 mm drill specifications |
| Warranty | Standard manufacturer warranty against material and workmanship defects |
| Technical Support | Application engineering support available for process optimization |
✓ 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.
