Kyocera 23/64 DRILL 2FL 3XD TC SGS51403 DRILL - CNC Machining
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS51403
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Product Overview
The Kyocera 23/64 DRILL 2FL 3XD TC SGS51403 is a premium solid carbide drill engineered for demanding CNC machining environments. This 23/64 diameter tool features a 2-flute design with 3×D flute length, optimized for through-hole drilling and blind-hole applications. Manufactured in Japan to exacting tolerances, it delivers exceptional hole quality, dimensional accuracy, and extended tool life across a wide spectrum of workpiece materials.
ISO Designation Breakdown
| ISO Code Element | Description |
| Size | 23/64 (0.3594") |
| Tool Type | DRILL – Solid Carbide Twist Drill |
| Flutes | 2FL – 2-Flute Design for Chip Evacuation |
| Length Ratio | 3XD – 3×D Flute Length (Standard Reach) |
| Grade | TC – High-performance drilling in hardened steels, titanium alloys, and superalloys |
| MPN | SGS51403 – Manufacturer Part Number |
Engineering Dimensions & Geometry
| Parameter | Specification |
| Nominal Diameter (D) | 23/64 = 0.3594 in (9.128 mm) |
| Flute Length (Lf) | 1.0781 in (27.38 mm) – 3×D |
| Overall Length (Lo) | 2.5156 in (63.90 mm) |
| Shank Diameter | 0.3594 in (9.13 mm) – Cylindrical |
| Point Angle | 135° Self-Centering Split Point |
| Helix Angle | 35° Right-Hand Helix |
| Tolerance (Dc) | h5 (±0.0004 in / ±0.010 mm) |
| Surface Finish | Mirror-polished flutes (Ra ≤ 0.2 μm) |
| Corner Radius | Sharp (0.000 in) – Standard |
Grade Details – Key Grade Characteristics
Grade TC represents Kyocera's advanced carbide substrate technology, specifically formulated for high-performance drilling in hardened steels, titanium alloys, and superalloys.
| Characteristic | Grade TC Specification |
| Carbide Substrate | Sub-micron grain carbide with enhanced cobalt binder |
| PVD Coating | TiAlN + TiSiN nano-composite PVD coating |
| Hardness | 93.0 HRA |
| Coating Color | Dark violet |
| Max Operating Temp | Up to 1000°C |
| Fracture Toughness | Very High |
| Wear Resistance | Superior |
Grade Comparison Matrix
| Property | Grade TA | Grade TC | Competitor Standard |
| Hardness (HRA) | 92.5 | 93.0 | 91.5 – 92.0 |
| Toughness | High | Very High | Medium |
| Heat Resistance | 900°C | 1000°C | 800°C |
| Coating Layers | Multi-layer AlTiN | Nano-composite TiAlN+TiSiN | Single-layer TiN |
| Best For | Steels & Cast Iron | Hardened & Exotic Alloys | General Purpose |
Chipbreaker Profile
The SGS51403 features an optimized flute geometry designed for efficient chip formation and evacuation:
- Flute Form: Parabolic gash with polished rake face for reduced cutting forces
- Chipbreaker: Integral wiper edge on margin for superior hole wall finish
- Margin Width: 12% of diameter for stable guidance and reduced chatter
- Web Thickness: Tapered web (18% → 12%) for improved coolant penetration
- Coolant Channels: Through-tool coolant capability (axial) for deep-hole applications
- Edge Preparation: Micro-honed T-land (0.002–0.004 in) for edge integrity
Recommended Applications & Workpiece Materials
Grade TC is optimized for the following material groups:
| Material Group | Hardness Range | Performance Rating |
| Hardened Steel (up to 55 HRC) | < 300 HB | ★★★★★ |
| Titanium Alloys | < 300 HB | ★★★★★ |
| Inconel | < 300 HB | ★★★★★ |
| Nickel-based Superalloys | < 45 HRC | ★★★★☆ |
| Tool Steel | 30 – 55 HRC | ★★★★☆ |
Application Map by Operation
| Operation Type | Suitability | Max Depth | Hole Quality |
| Through-Hole Drilling | ✓ Excellent | 3×D | H7 – H8 |
| Blind-Hole Drilling | ✓ Excellent | 3×D | H8 – H9 |
| Peck Drilling | ✓ Recommended | 5×D (with peck) | H8 |
| Stack Drilling | ✓ Good | Variable | H9 |
| Micro-Drilling | ✗ Not Applicable | — | — |
Recommended Cutting Conditions
Parameters are provided for external coolant (EC) and through-tool coolant (TTC) configurations. Adjust based on machine rigidity and workpiece setup.
| Material | Cutting Speed Vc (sfm) | Feed fn (ipr) | RPM Range |
| Carbon Steel (1020, 1045) | 38 – 77 | 0.09 – 0.18 | 13,913 – 33,391 |
| Alloy Steel (4140, 4340) | 35 – 70 | 0.10 – 0.20 | 13,913 – 33,391 |
| Stainless Steel (304, 316) | 28 – 56 | 0.1 – 0.2 | 13,913 – 33,391 |
| Cast Iron (GJL-250) | 45 – 91 | 0.12 – 0.24 | 13,913 – 33,391 |
| Hardened Steel (>45 HRC) | 21 – 42 | 0.07 – 0.14 | 13,913 – 33,391 |
Note: Reduce cutting speed by 15% for blind holes and increase by 10% for through holes. Use peck cycle (Q = 1×D) for depths exceeding 2.5×D.
Operating Guidelines
- Runout Tolerance: Maintain TIR ≤ 0.0004 in (0.010 mm) at tool tip. Excessive runout reduces tool life by 30–50%.
- Coolant Requirements: Minimum 5% emulsion concentration at 800–1200 psi for through-tool applications. For external flood coolant, ensure 15–20 L/min flow rate directed at the cutting zone.
- Pre-Drilling: Not required for standard applications. For holes > 0.500 in in materials > 35 HRC, consider a 0.005–0.010 in oversize pilot hole.
- Peck Cycle: Recommended for holes > 2.5×D. First peck = 1.0×D, subsequent pecks = 0.5×D. Retract to 0.1×D above bottom for chip break.
- Entry Angle: Use chamfer or countersink (0.010–0.020 in × 90°) to prevent burr formation and guide the drill.
- Spindle Warm-Up: Run spindle at 50% RPM for 60 seconds before full engagement to ensure thermal stability.
- Tool Change Interval: Monitor flank wear (VB). Replace when VB = 0.008 in (0.20 mm) or when hole diameter exceeds upper tolerance limit.
Toolholder Compatibility
| Holder Type | Compatibility | Notes |
| Hydraulic Chuck (Hydro) | ✓ Excellent | Best damping; TIR ≤ 0.0002 in |
| Shrink Fit Holder | ✓ Excellent | Maximum torque transmission |
| ER Collet (ER32, ER40) | ✓ Good | Use precision collets (AA grade); TIR ≤ 0.0004 in |
| Weldon Flat Holder | ✗ Not Compatible | Cylindrical shank only |
| Side-Lock (End Mill Holder) | △ Acceptable | May reduce tool life due to point contact |
Packaging & Ordering Information
| Item | Details |
| Manufacturer Part Number | SGS51403 |
| Packaging | Individual plastic tube with foam insert; 10 pcs per inner box; 100 pcs per master carton |
| Barcode (EAN) | Not assigned – use MPN for reference |
| Weight (Single Unit) | 0.1 kg (0.22 lb) – includes packaging |
| Warranty | Standard manufacturer defect warranty – 12 months from date of purchase |
| Minimum Order | 1 piece; bulk discounts available for 50+ units |
| Unit Price | $146.20 USD (FOB – subject to volume pricing) |
Catalog Meta Data
| Field | Value |
| Product Family | Kyocera Solid Carbide Drills – Standard Series |
| Series Code | SGS513xx – Inch Fractional & Number Sizes |
| Catalog Page | Kyocera Cutting Tools Catalog 2026, Section D-12 |
| Replacement Policy | Not regrindable – solid carbide disposable design |
| RoHS Compliance | Yes – Cobalt binder within EU Directive 2011/65/EU limits |
| Country of Origin | Japan |
| Last Catalog Update | June 2026 |
Need application support? Our CNC tooling specialists can help optimize your drilling parameters for hardened steel (up to 55 hrc) and beyond. Contact Kyotow.com technical support for free consultation.
✓ 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.
