Kyocera 0.48 2FL TA SGM07423 Drill - CNC Machining
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM07423
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Product Overview
The Kyocera 0.48mm 2FL TA SGM07423 is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. Manufactured in Japan to exacting OEM standards, this 0.48mm diameter drill features an optimized 2-flute geometry and TA-grade substrate, delivering exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding production environments. Ideal for micro-hole drilling in steel, stainless steel, and alloy materials where precision and reliability are critical.
ISO Designation Breakdown
| ISO Code Element | Description |
| D 0.48mm | Nominal cutting diameter in millimeters |
| 2FL | Two-flute design for balanced chip evacuation and rigidity |
| TA | Ultra-fine grain carbide grade with high wear resistance |
| SGM Series | Kyocera micro-drill standard geometry series |
| SGM07423 | Manufacturer Part Number (MPN) for catalog reference |
Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
| Cutting Diameter (D1) | 0.48 mm | h5 (-0.004 / -0.008) |
| Flute Length (L2) | 3.1 mm | ±0.10 mm |
| Overall Length (L1) | 38 mm | ±0.20 mm |
| Shank Diameter (D2) | 3.0 mm | h6 |
| Point Angle | 140° | ±1° |
| Helix Angle | 30° | ±2° |
| Web Thickness | 0.086 mm | ±0.01 mm |
| Corner Radius | 0.01 mm | ±0.005 mm |
Grade Details – Key Grade Characteristics
The TA Grade is Kyocera's ultra-fine grain carbide substrate specifically developed for micro-drilling applications requiring maximum edge stability and wear resistance.
| Property | Value | Performance Impact |
| Carbide Grain Size | 0.5 μm (ultra-fine) | Superior edge sharpness and strength |
| Cobalt Content | 6.4% | Optimized toughness for intermittent cuts |
| Hardness (HV) | 92.1 HV | Exceptional abrasion resistance |
| Transverse Rupture Strength | 3,800 MPa | High resistance to chipping and breakage |
| Coating | Uncoated (bare substrate) | Optimal for precision steel machining |
| Thermal Conductivity | 84 W/m·K | Efficient heat dissipation from cutting edge |
Grade Comparison Matrix
| Grade | Grain Size | Hardness | Best Application |
| TA (This Tool) | 0.5 μm | 92.1 HV | Micro-drilling, high-precision steel |
| TB | 0.8 μm | 91.5 HV | General-purpose drilling, cast iron |
| TC | 1.2 μm | 90.2 HV | Heavy-duty drilling, roughing |
| TD | 0.4 μm | 93.0 HV | Hardened steel >50 HRC |
| PR1535 | PVD Coated | 92.5 HV | Stainless steel, high-speed apps |
Chipbreaker Profile
While solid carbide drills do not feature indexable chipbreaker inserts, the SGM series flute geometry functions as an integrated chipbreaker system, engineered to control chip formation and evacuation in micro-drilling operations.
| Flute Parameter | Specification | Function |
| Flute Form | Parabolic gullet, polished | Maximizes chip curl and evacuation |
| Rake Angle | 12° positive | Reduces cutting forces, minimizes heat |
| Flute Surface Finish | Ra 0.2 μm | Prevents chip welding, reduces friction |
| Margin Width | 0.08 mm | Stabilizes drill in hole, improves accuracy |
| Back Taper | 0.01 mm / 10 mm | Reduces friction, prevents binding |
Recommended Applications & Workpiece Materials
| Material Group | Material Examples | Hardness Range | Suitability |
| P – Steel | 1045, 4140, P20, 4340 | < 35 HRC | ★★★★★ Excellent |
| P – Steel | H13, D2, A2, M2 | 35–48 HRC | ★★★★☆ Very Good |
| M – Stainless | 304, 316, 17-4PH | < 30 HRC | ★★★★☆ Very Good |
| K – Cast Iron | GG25, GGG40, FC250 | < 250 HB | ★★★☆☆ Good |
| N – Non-Ferrous | Aluminum 6061, 7075 | N/A | ★★★★☆ Very Good |
| S – Superalloys | Inconel 718, Ti-6Al-4V | < 35 HRC | ★★★☆☆ Good |
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 recommended |
| Micro-Deep Hole | ★★★★☆ | 5×D | High-pressure coolant essential |
| Enlarging / Reaming | ★★★☆☆ | 1×D | Not recommended; use dedicated reamer |
| Spot Drilling | ★★★★★ | 0.5×D | Excellent self-centering |
Recommended Cutting Conditions
Values below are starting recommendations for carbon and alloy steels (P-group). Adjust based on machine rigidity, coolant delivery, and workpiece fixturing.
| Parameter | Value | Unit | Notes |
| Cutting Speed (Vc) | 81 | m/min | Reduce 20% for stainless steel |
| Spindle Speed (n) | 53,714 | RPM | Verify machine max RPM limit |
| Feed per Revolution (f) | 0.01 | mm/rev | Start conservative, increase 10% if stable |
| Feed per Tooth (fz) | 0.005 | mm/tooth | 2-flute geometry |
| Depth of Cut (ap) | 0.48 | mm | Full diameter engagement |
| Peck Increment (Q) | 0.72 | mm | For holes >2×D depth |
Operating Guidelines
- Coolant: High-pressure soluble oil or synthetic coolant (5–8% concentration) at minimum 20 bar pressure is mandatory for holes exceeding 2×D. For through-holes, aim coolant directly at the drill point.
- Peck Drilling: Always employ peck cycles for depths >1.5×D. Initial peck = 1×D, subsequent pecks = 0.5×D. Full retract to clear chips every 3 pecks.
- Entry Surface: Ensure perpendicular entry or use a spot drill (90°–120°) to prevent walk. Avoid drilling into inclined surfaces without pilot hole.
- Exit Strategy: Reduce feed by 50% when drill approaches breakthrough to prevent burr formation and exit chipping.
- Speed Ramp: For the first 1 mm of engagement, reduce Vc by 30% and gradually ramp to full speed to protect the delicate point geometry.
- Chip Inspection: Ideal chips are small, tightly curled C-shapes or short spirals. Long stringy chips indicate insufficient feed or coolant; fragmented dust indicates excessive speed.
- Tool Life Benchmark: Expect 800–1,200 holes in 1045 steel at recommended parameters before diameter tolerance exceeds h7 limits.
Toolholder Compatibility
| Holder Type | Shank Fit | Runout Tolerance | Recommendation |
| Precision Collet Chuck (ER11/ER16) | 3.0 mm | ≤0.005 mm | Recommended |
| Hydraulic Expansion Chuck | 3.0 mm | ≤0.003 mm | Best for high-speed |
| Shrink Fit Holder | 3.0 mm | ≤0.002 mm | Premium choice |
| Drill Chuck (Keyless) | Up to 6 mm | ≤0.015 mm | Not recommended |
| Milling Chuck (Power) | 3.0 mm | ≤0.008 mm | Acceptable |
Packaging & Ordering Information
| Item | Details |
| Packaging Unit | 1 piece per plastic tube with rubber end caps |
| Master Carton | 50 tubes per export carton (MOQ for OEM pricing) |
| Labeling | Laser-etched diameter, MPN, and lot code on shank |
| Certificate | Material and dimensional compliance certificate available on request |
| Warranty | Standard Kyocera manufacturer warranty against material defects |
| Lead Time | Ex-stock for standard quantities; 4–6 weeks for bulk OEM orders |
Catalog Meta Data
| Field | Value |
| Product ID | 7905 |
| Kyocera Catalog Series | SGM Micro-Drill Series |
| EAN / UPC | Not assigned (industrial catalog item) |
| UNSPSC Code | 23241500 (Drills and drill bits) |
| ECCN | EAR99 |
| Country of Manufacture | Japan |
| Harmonized Code | 8207.50.00 (Interchangeable tools for drilling) |
| RoHS Status | Compliant (no restricted substances) |
| REACH Status | Compliant |
✓ 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.
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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
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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。
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.
