Kyocera #15 PR SGS56015 Drill - Precision Holemaking
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS56015
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Product Overview
The Kyocera #15 2FL 3XD PR SGS56015 is a premium solid carbide drill engineered for demanding CNC machining environments. This 2fl-flute design with 3XD length-to-diameter ratio delivers exceptional hole quality, dimensional accuracy, and extended tool life across a broad spectrum of workpiece materials. Manufactured in Japan to exacting tolerances, this drill combines an optimized substrate with an advanced PVD coating to withstand high cutting temperatures and maintain edge integrity under aggressive cutting parameters.
Whether you are drilling through-holes in structural steel or precision blind holes in stainless steel components, the PR grade substrate and specialized point geometry ensure consistent chip formation, minimal burr, and superior surface finish. The tool is designed for modern machining centers with through-spindle coolant capability, maximizing productivity in unattended operations.
ISO Designation Breakdown
| Element | Code | Description |
|---|---|---|
| Tool Type | D | Solid carbide drill |
| Nominal Diameter | 4.572 mm (0.1800") | Precision ground to h5 tolerance |
| Flute Count | 2FL | Two-flute for maximum chip space and point strength |
| Carbide Grade | PR | Fine grain carbide (1.2 μm) with TiAlN+TiN duplex PVD |
| L:D Ratio | 3XD | 3×D for general-purpose drilling |
| Coolant Strategy | External / Through-Tool Ready | Compatible with external coolant and through-tool systems |
| Manufacturer P/N | SGS56015 | Kyocera genuine OEM catalog number |
Engineering Dimensions & Geometry
| Parameter | Metric | Imperial | Tolerance |
|---|---|---|---|
| Cutting Diameter (D) | 4.572 mm | 0.1800 in | h5 (0 to -0.023 mm) |
| Overall Length (L) | 64.5 mm | 2.540 in | ±0.50 mm |
| Flute Length (l) | 13.7 mm | 0.540 in | ±0.30 mm |
| Shank Diameter (d) | 4.572 mm | 0.1800 in | h6 |
| Point Angle | 118° | — | ±1° |
| Helix Angle | 30° | — | ±1° |
| Length-to-Diameter Ratio | 3:1 | — | — |
| Core Thickness | ~1.60 mm | — | — |
| Web Thickness | ~1.01 mm | — | — |
Note: All dimensions are nominal. Refer to Kyocera official catalog drawing for exact manufacturing tolerances and detailed geometry.
Grade Details — Key Grade Characteristics
The PR grade is a Kyocera proprietary carbide substrate developed specifically for solid round tools. It represents the culmination of advanced powder metallurgy and coating technology to deliver a tool that excels in both productivity and reliability.
| Characteristic | Specification |
|---|---|
| Carbide Substrate | Fine grain carbide (1.2 μm) |
| Surface Coating | TiAlN+TiN duplex PVD |
| Coating Hardness | HRA 91.8 |
| Transverse Rupture Strength | 3,800 MPa |
| Coating Color | Dark Bronze |
| Max Operating Temperature | 850°C |
| Primary Applications | General purpose steel, mild steel, aluminum alloys |
Balanced toughness and wear resistance. Ideal for universal drilling applications with excellent cost-performance ratio.
Grade Comparison Matrix
| Grade | Substrate | Coating | Hardness | Best For |
|---|---|---|---|---|
| PR | Fine WC | TiAlN+TiN | HRA 91.8 | General Purpose |
| TM | Ultra-fine WC | TiAlN PVD | HRA 92.5 | Steel / SS |
| CA | Sub-micron WC | AlCrN | HRA 93.1 | Hardened Steel |
Chipbreaker Profile
The flute profile of the #15 PR has been engineered with a classic two-flute design maximizing chip pocket volume for reliable evacuation in blind-hole and through-hole applications. The flute geometry features a polished surface finish (Ra < 0.4 μm) to prevent built-up edge and ensure smooth chip flow. The robust web design provides the rigidity needed for accurate hole positioning and minimal deflection, even in less rigid setups.
| Feature | Specification |
|---|---|
| Flute Surface Finish | Ra < 0.4 μm (polished) |
| Chipbreaker Type | Open helical groove with optimized chip curl radius |
| Chip Control | Two-point chip formation with wide curl radius |
| Suitable Chip Forms | 6, 7, 8 (ISO 3685) — short to medium spiral chips |
Recommended Applications & Workpiece Materials
| Workpiece Material | Suitability | Notes |
|---|---|---|
| Mild Steel (C15-C25) | Excellent | High productivity with excellent surface finish |
| Carbon Steel (C35-C45) | Very Good | Balanced performance for general machining |
| Aluminum Alloy (6061, 7075) | Good | Use air blast or MQL for best chip evacuation |
| Brass / Copper | Good | Sharp edge reduces burr formation |
| Plastic / Composite | Fair | Reduce speed to prevent melting |
Application Map by Operation
| Operation Type | Suitability | Guidance |
|---|---|---|
| Through-hole Drilling | Primary | Standard point geometry for general use |
| Blind-hole Drilling | Very Good | Effective chip evacuation with peck cycle |
| Spot Drilling | Excellent | Rigid design ensures accurate positioning |
| Enlarging / Reaming | Good | Stable wall finish when used as pre-drill |
Recommended Cutting Conditions
The following parameters are starting recommendations. Adjust based on machine rigidity, workpiece material condition, and coolant delivery efficiency. All values assume stable fixturing and proper toolholder condition.
| Workpiece Material | Cutting Speed (Vc) m/min | Spindle Speed (RPM) | Feed Rate (mm/rev) |
|---|---|---|---|
| Carbon / Alloy Steel | 79.1 | 5,510 | 0.0549 |
| Stainless Steel (Austenitic) | 54.6 | 3,799 | 0.0494 |
| Gray / Ductile Cast Iron | 89.6 | 6,236 | 0.0604 |
Important: For 3XD drilling, reduce cutting speed by 15–20% and use peck drilling cycle (Q ≤ 8 mm) if coolant pressure is below 70 bar (1,000 psi).
Operating Guidelines
- Runout Control: Maintain total indicator runout (TIR) below 0.01 mm at the tool point. Excessive runout accelerates edge chipping and reduces hole quality.
- Coolant Delivery: Apply external coolant generously (flow rate ≥ 8 L/min) or use through-tool coolant adapters for best results. Maintain coolant concentration at 8–10%.
- Peck Cycle: For depths exceeding 3×D, implement a peck cycle with retract to clear chips. Peck depth should not exceed 60% of flute length.
- Entry Angle: When drilling into angled surfaces, use a spot drill or center drill to create a 90° entry surface. Alternatively, reduce feed to 50% for the first 1×D.
- Exit Strategy: Reduce feed by 30% in the last 2 mm before breakthrough to minimize burr formation and exit chipping.
- Tool Life Monitoring: Monitor flank wear (VB). Recommended regrind limit is VB = 0.3 mm. Do not exceed this to prevent catastrophic failure.
- Storage: Store in original packaging in a dry environment. Avoid contact between cutting edges to prevent micro-chipping.
Toolholder Compatibility
| Toolholder Type | Recommendation | Comments |
|---|---|---|
| Collet Chuck (ER20/ER25) | Best | Optimal for small diameter drills |
| Hydraulic Chuck (H) | Excellent | Superior damping for deep holes |
| Shrink Fit Chuck (S) | Very Good | High precision and rigidity |
| Drill Chuck (Keyless) | Good | General purpose with adequate clamping |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGS56015 |
| Quantity per Package | 1 piece (individually packaged) |
| Packaging Type | Protective plastic tube with foam insert and anti-corrosion VCI paper |
| Barcode / UPC | Kyocera OEM catalog reference — contact support for bulk UPC data |
| Minimum Order Quantity | 1 piece (no MOQ for standard catalog items) |
| Lead Time | In stock — ships within 24 hours for orders placed before 2:00 PM local time |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Family | Kyocera Solid Carbide Drills — SGS Series |
| Series Designation | SGS56xxx (2FL General Purpose Series) |
| Tool Category | Rotating Tool — Solid Carbide Drill |
| Industry Standards | ISO 5419, DIN 6537, JIS B 4434 |
| Country of Manufacture | Japan |
| Catalog Page Reference | Kyocera Cutting Tools General Catalog 2024–2025, Section D-18 |
| Last Catalog Update | March 2025 |
| Regulatory Compliance | RoHS compliant, REACH compliant, Conflict-free smelter certified |
Need application support? Our technical team can assist with cutting parameter optimization, tool selection, and custom quoting for production volumes. Contact Kyotow.com support for personalized assistance.
✓ 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
-
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.
