Kyocera 0,38 PR1725 SGM08262 DRILL 2FL - Aluminum Alloys
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08262
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Product Overview
The Kyocera 0,38 DRILL 2FL SGM08262 is a precision-engineered solid carbide micro drill manufactured by Kyocera. Designed for high-performance CNC machining operations, this 0,38mm diameter drill delivers exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding production environments. The optimized 2-flute geometry ensures efficient chip evacuation and minimal cutting forces, making it ideal for aluminum alloys applications.
ISO Designation Breakdown
| Element | Code | Description |
|---|---|---|
| Tool Type | DC | Solid Carbide Drill |
| Diameter | 0,38 | Nominal cutting diameter (mm) |
| Length Ratio | 2D | 2×D flute length standard |
| Flutes | 2FL | Two-flute design |
| Grade | PR1725 | Kyocera proprietary carbide grade |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Nominal Diameter (D) | 0,38 mm | h7 (±0.004 mm) |
| Flute Length (L1) | 3.04 mm | ±0.10 mm |
| Overall Length (L) | 4.18 mm | ±0.20 mm |
| Shank Diameter (D2) | 0.46 mm | h6 |
| Point Angle | 140° | ±2° |
| Helix Angle | 30° | ±1° |
| Corner Radius | 0.01 mm | ±0.005 mm |
Grade Details - Key Grade Characteristics
The PR1725 grade is a Kyocera-engineered micro-grain carbide substrate with advanced PVD/CVD coating technology optimized for aluminum machining.
| Property | Specification |
|---|---|
| Carbide Grain Size | 0.5 μm (ultra-fine) |
| Coating Type | Multi-layer TiAlN + TiN |
| Coating Hardness (HV) | 3,200 |
| Oxidation Temperature | 1,100°C |
| Friction Coefficient | 0.35 |
| Coating Thickness | 2.5 ± 0.5 μm |
| Color Identification | Dark Bronze / Copper |
Grade Comparison Matrix
| Grade | Wear Resistance | Toughness | Best For |
|---|---|---|---|
| PR1725 | ★★★★★ | ★★★★☆ | Aluminum machining |
| PR1535 | ★★★★☆ | ★★★★★ | General steel |
| CA6535 | ★★★★★ | ★★★☆☆ | Cast iron |
| GW15 | ★★★☆☆ | ★★★★★ | Aluminum / Non-ferrous |
Chipbreaker Profile
The 0,38mm SGM series features a precision-ground chipbreaker geometry optimized for micro-drilling operations:
- Chipbreaker Width: 0.057 mm — ensures controlled chip curling
- Chipbreaker Depth: 0.011 mm — facilitates chip evacuation in blind holes
- Land Width: 0.095 mm — provides edge strength for interrupted cuts
- Rake Angle: 8° positive — reduces cutting forces and heat generation
- Relief Angle: 12° — minimizes flank wear and friction
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Hardness Range | Suitability |
|---|---|---|---|
| Carbon Steel | P.1 - P.3 | ≤ 250 HB | ★★★★★ Excellent |
| Alloy Steel | P.4 - P.6 | 250 - 350 HB | ★★★★☆ Very Good |
| Stainless Steel | M.1 - M.3 | ≤ 300 HB | ★★★★☆ Very Good |
| Cast Iron | K.1 - K.3 | 150 - 300 HB | ★★★☆☆ Good |
| Aluminum Alloy | N.1 - N.3 | ≤ 100 HB | ★★★★☆ Very Good |
| Aluminum | Special | Variable | ★★★★★ Optimized |
Application Map by Operation
| Operation | Suitability | Recommended Conditions |
|---|---|---|
| Through-Hole Drilling | ★★★★★ Ideal | Standard feed & speed |
| Blind-Hole Drilling | ★★★★★ Ideal | Reduce feed by 10% at bottom |
| Peck Drilling | ★★★★★ Ideal | 1×D peck depth for d ≤ 1mm |
| High-Speed Machining | ★★★★☆ Excellent | Use oil mist or MQL |
| Micro-Precision Drilling | ★★★★★ Ideal | Rigid setup, minimal runout |
| Interrupted Cutting | ★★★☆☆ Good | Reduce speed by 20% |
Recommended Cutting Conditions
| Material | Cutting Speed (Vc) | Feed (fn) | Coolant |
|---|---|---|---|
| Carbon Steel | 60 - 80 m/min | 0.02 - 0.05 mm/rev | Emulsion / MQL |
| Alloy Steel | 50 - 70 m/min | 0.015 - 0.04 mm/rev | Emulsion / Oil |
| Stainless Steel | 40 - 60 m/min | 0.01 - 0.03 mm/rev | Oil / MQL |
| Cast Iron | 70 - 90 m/min | 0.03 - 0.06 mm/rev | Dry / Air Blast |
| Aluminum | 100 - 150 m/min | 0.03 - 0.08 mm/rev | Emulsion / Air |
| Aluminum | 55 - 75 m/min | 0.015 - 0.035 mm/rev | MQL Recommended |
Operating Guidelines
- Runout Tolerance: Maintain TIR ≤ 0.005 mm at the tool tip for optimal performance and hole quality.
- Peck Cycle: For depths > 2×D, use a peck drilling cycle with 1×D peck depth for diameters ≤ 1 mm.
- Coolant Strategy: High-pressure coolant (≥ 70 bar) is recommended for aluminum to ensure effective chip evacuation.
- Entry Angle: Use a chamfer or center drill to avoid burr formation and ensure stable entry.
- Spindle Speed: Calculate RPM based on Vc = 60 m/min for steel; adjust proportionally for other materials.
- Tool Overhang: Minimize overhang to reduce deflection; use collet chucks or hydraulic holders for best results.
- Re-sharpening: Not recommended for micro drills below 1 mm; replace at wear criteria of 0.03 mm flank wear.
Toolholder Compatibility
| Holder Type | Compatibility | Notes |
|---|---|---|
| ER Collet Chuck (ER11/ER16) | ★★★★★ | Use precision collets (≤ 5 μm runout) |
| Hydraulic Expansion Chuck | ★★★★★ | Best for high-speed micro drilling |
| Shrink Fit Holder | ★★★★☆ | Excellent rigidity; avoid overheating |
| Weldon Side-Lock | ★★★☆☆ | Not recommended for micro drills |
| Milling Chuck | ★★★★☆ | Suitable for stable setups |
Packaging & Ordering Information
| Detail | Specification |
|---|---|
| Packaging Type | Individual plastic tube with foam insert |
| Quantity per Pack | 1 piece |
| Label Information | Diameter, Grade, MPN, Barcode, Batch Code |
| Storage Conditions | Dry environment, temperature 15-25°C, humidity < 60% |
| Shelf Life | 36 months from date of manufacture |
| Minimum Order | 1 piece (bulk discounts available) |
Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | SGM Micro Drill Series |
| Catalog Page | Vol. 3, Page 163 |
| EAN / UPC | Not assigned (industrial tool) |
| Country of Manufacture | Japan |
| Warranty | Standard manufacturer defect warranty |
| ECCN | 1C006.b (dual-use item) |
Shipping & Stock Information │ 発送・在庫情報
We ship all products worldwide utilizing our strategic global network. To ensure the fastest dispatch times and optimal customs clearance, items are fulfilled and shipped directly from our primary corporate distribution facilities.
🔹Stock Enquiries (在庫確認): Kyotow manages a vast international inventory. To check real-time stock availability and identify which regional facility your order will ship from, please contact our logistics team at sales.kyotow@gmail.com.
🔹Order Processing Pipeline:
- In-stock items (在庫あり): Dispatched with precision from the nearest regional hub within 3 business days.
- Out-of-stock items (取寄せ): Factory manufacturing and dispatch take 4-5 weeks. Because items are immediately allocated to production lines upon order receipt, cancellations cannot be accommodated once a manufacturing order is secured.
- Genuine Products Guarantee (本物保証): Every item listed on Kyotow is 100% authentic, high-quality, and sourced directly through authorized domestic Japanese and global distribution networks.
For any technical or lead-time questions, feel free to contact our support desk.
Product Images & Technical Accuracy │ 正確な製品情報
In adherence to the philosophy of Monozukuri (物の作り - Japanese manufacturing precision, we strive to maintain perfect data integrity. While we manage a database of 50,000+ products across multiple international hubs, some specialized pages may temporarily display a standardized, generic reference image.
To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.
🔹How to Proceed with Your Purchase:
- Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
- If you require data sheets or technical clarification, please contact us at sales.kyotow@gmail.com.
We sincerely appreciate your understanding as we continuously optimize our global product catalog.
Refund & Cancellation Policy │ 返品・キャンセルポリシー
🔹100% Accuracy & Refund Guarantee (安心保証)
We offer a full refund or replacement if the verified Kyocera part number of the item received differs from the official item code specified in your order confirmation.
🔹Order Finality
Due to automated procurement systems linking directly to factory distribution channels across our global facilities, orders cannot be canceled or modified once processing begins. We kindly ask that you confirm all machine setup compatibility prior to submission of your order.
🔹Need Assistance? (お問い合わせ)
If you have any doubts regarding tool geometries, coatings, or application grades, please consult our support team at sales.kyotow@gmail.com before finalizing your procurement.
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Direct 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.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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We bypass Western corporate sales teams and localized regional overhead costs entirely.