Kyocera 12,0 TA SGS64195 Drill - Steel Machining
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS64195
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1. Product Overview
The Kyocera 12,0 DRILL 2FL 5XD TA SGS64195 is a premium solid carbide drill engineered for high-performance hole-making operations. Engineered to exacting OEM standards, this 12.0 mm diameter tool features a 2-flute design with 5×D flute length, optimized for through-hole drilling in carbon steel, alloy steel, and cast iron workpieces. The TA grade substrate combines micro-grain carbide with an advanced PVD coating to deliver exceptional wear resistance, thermal stability, and extended tool life under demanding CNC machining conditions.
2. ISO Designation Breakdown
| Designation Element | Value | Meaning |
|---|---|---|
| Manufacturer | Kyocera | Original Equipment Manufacturer (Japan) |
| Diameter (D) | 12.0 mm | Nominal cutting diameter per ISO 13399 |
| Tool Type | DRILL | Solid carbide twist drill |
| Flutes (Z) | 2FL | Two-flute configuration for chip evacuation |
| Length Ratio | 5XD | Flute length = 5 × diameter (medium reach) |
| Grade | TA | Micro-grain carbide + PVD multilayer coating |
| MPN | SGS64195 | Manufacturer Part Number (Kyocera catalog) |
3. Engineering Dimensions & Geometry
| Parameter | Symbol | Value | Tolerance |
|---|---|---|---|
| Nominal Diameter | D | 12.0 mm | h5 (ISO 286) |
| Overall Length | L1 | 90.0 mm | ±0.5 mm |
| Flute Length | L2 | 60.0 mm | ±0.3 mm |
| Shank Diameter | D2 | 12.0 mm (cylindrical) | h6 |
| Point Angle | σ | 140° | ±2° |
| Helix Angle | ω | 30° | ±1° |
| Core Thickness | dc | ≈0.25 × D | — |
| Web Thickness | w | Tapered (reduced toward point) | — |
| Corner Radius | rε | 0.02 mm (chamfered) | ±0.01 mm |
4. Grade Details — Key Grade Characteristics
Grade TA is Kyocera's benchmark micro-grain carbide substrate for solid drilling applications. The grade architecture combines:
- Substrate: 0.8 μm micro-grain tungsten carbide (WC) with 10% cobalt (Co) binder for high toughness and edge stability.
- Coating: Multi-layer PVD (TiAlN + TiSiN) coating with nanolayered architecture, providing hardness >3,300 HV and oxidation resistance up to 1,100°C.
- Surface Finish: Mirror-polished flute surfaces (Ra < 0.2 μm) to minimize friction and built-up edge formation.
- Edge Preparation: Controlled micro-honing (0.02–0.03 mm) balances sharpness with chipping resistance.
5. Grade Comparison Matrix
| Grade | Coating | Hardness (HV) | Oxidation Temp | Best For |
|---|---|---|---|---|
| TA (This Product) | TiAlN-TiSiN PVD | 3,300 | 1,100°C | Steel, stainless steel, cast iron |
| TB | AlCrN PVD | 3,200 | 1,050°C | Hardened steels (>45 HRC) |
| TC | TiAlN + MoS₂ | 3,100 | 980°C | Aluminum, non-ferrous |
| TD | Uncoated + Polished | 1,800 | 600°C | Special plastics, composites |
6. Chipbreaker Profile
The 2-flute geometry incorporates a variable helix chipbreaker designed for short-chipping materials common in steel machining:
- Primary Rake Angle (γ): 10°–12° for balanced cutting forces and chip control.
- Chipbreaker Width: 0.08–0.12 mm (proportional to diameter), creating controlled chip curl radius of 2–4 mm.
- Flute Form: Parabolic flute profile with polished surface (Ra < 0.2 μm) to prevent chip welding and ensure coolant flow.
- Edge Design: Sharp cutting edge with micro-land (0.05 mm at 15°) for edge strength without sacrificing penetration.
7. Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Machinability | Recommended? |
|---|---|---|---|
| Low-carbon steel (< 0.25% C) | P.1 | Good | ✓ Excellent |
| Medium-carbon steel (0.25–0.55% C) | P.2 | Good | ✓ Excellent |
| High-carbon steel (> 0.55% C) | P.3 | Moderate | ✓ Good (reduce vc 15%) |
| Alloy steel (Cr-Mo, Ni-Cr) | P.4–P.5 | Moderate | ✓ Good |
| Stainless steel (austenitic) | M.1 | Moderate | ✓ Good (use coolant) |
| Gray cast iron | K.1–K.2 | Good | ✓ Excellent |
| Ductile cast iron | K.3 | Moderate | ✓ Good |
| Aluminum alloys | N.1–N.3 | Excellent | △ Possible (polished flutes) |
8. Application Map by Operation
| Operation Type | Suitability | Max Depth | Notes |
|---|---|---|---|
| Through-hole drilling | ★★★★★ | 5×D (flute limit) | Primary application; best chip evacuation |
| Blind-hole drilling | ★★★★☆ | 4×D recommended | Use peck cycle for depths > 3×D |
| Stack drilling | ★★★☆☆ | 3×D per plate | Ensure clamping rigidity |
| Cross-hole drilling | ★★★☆☆ | 2×D | Reduce feed by 30% at intersection |
| Inclined entry (< 10°) | ★★★☆☆ | Full 5×D | Use reduced feed for first 1×D |
| Curved surface entry | ★★☆☆☆ | 2×D | Spot drill recommended first |
9. Recommended Cutting Conditions
Parameters are starting recommendations for stable CNC machining centers with internal coolant supply (minimum 20 bar, 6–8% oil emulsion or synthetic coolant).
| Material | Cutting Speed vc (m/min) | Feed fn (mm/rev) | RPM (n) approx. |
|---|---|---|---|
| Low-carbon steel (P.1) | 80–120 | 0.15–0.25 | 189–284 |
| Medium-carbon steel (P.2) | 70–100 | 0.12–0.20 | 165–236 |
| Alloy steel (P.4) | 50–80 | 0.10–0.18 | 118–189 |
| Stainless steel (M.1) | 40–70 | 0.10–0.16 | 94–165 |
| Gray cast iron (K.1) | 90–140 | 0.18–0.30 | 213–331 |
Note: RPM values are calculated for the 12.0 mm diameter. Always begin at the lower parameter range and increase based on machine rigidity, coolant pressure, and chip formation quality.
10. Operating Guidelines
- Coolant: Internal coolant is mandatory for depths > 2×D. Minimum pressure 20 bar (30 bar preferred for 5×D). Use water-miscible coolant with 6–10% concentration.
- Peck Drilling: For blind holes > 3×D, use peck cycle: 1×D peck depth with 0.5×D retract for chip breaking.
- Tool Overhang: Minimize overhang to 4×D or less. Use hydraulic or shrink-fit holders for best runout (< 0.01 mm TIR).
- Entry Surface: Ensure flat, perpendicular entry surface. For inclined or curved surfaces, reduce feed to 50% for the first 0.5×D.
- Exit Strategy: Reduce feed by 30% when breaking through to prevent burr and edge chipping.
- Tool Life Check: Monitor flank wear (VB). Resharpen or replace when VB = 0.3 mm or when surface finish degrades beyond Ra 1.6 μm.
11. Toolholder Compatibility
| Holder Type | Standard | Clamp Force | Runout | Suitable? |
|---|---|---|---|---|
| Hydraulic chuck (Hydro) | DIN 69871 / ISO 7388 | High | < 0.005 mm | ✓ Highly Recommended |
| Shrink-fit holder | DIN 69893 (HSK) | Very High | < 0.003 mm | ✓ Highly Recommended |
| Precision collet (ER25/ER32) | DIN 6499 | Medium | 0.01–0.02 mm | ✓ Acceptable |
| Side-lock (Weldon) | DIN 1835-B | Medium | 0.02–0.05 mm | △ Caution (check runout) |
| Drill chuck (keyless) | DIN 238 | Low | > 0.05 mm | ✗ Not Recommended |
12. Packaging & Ordering Information
- Packaging: Each unit is individually sealed in a nitrogen-purged anti-static pouch with VCI (volatile corrosion inhibitor) paper, then placed in a Kyocera-branded rigid plastic tube.
- Labeling: Tube label includes MPN (SGS64195), diameter (12.0 mm), grade (TA), batch number, and 2D data matrix for traceability.
- Minimum Order: 1 piece (no MOQ for standard catalog items).
- Quantity Discounts: Available for quantities of 10, 25, and 50+ pieces. Contact Kyotow.com sales for institutional pricing.
- Warranty: 12-month manufacturer defect warranty from date of purchase. Does not cover misuse, incorrect parameters, or improper handling.
- Storage: Store in original packaging at 15–25°C, relative humidity < 60%. Avoid direct sunlight and corrosive atmospheres.
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | SGS64186–SGS64205 (5×D Solid Carbide Drill Range) |
| Product Family | Kyocera Precision Solid Drills |
| Diameter Range | 11.2 mm – 16.5 mm (20 discrete sizes) |
| Coating Generation | 2nd Gen PVD (TiAlN-TiSiN) |
| Industry Standards | DIN 6537, ISO 5414, JIS B 4438 |
| ECCN | 1C999 (EAR99 eligible) |
| RoHS Status | Compliant (Directive 2011/65/EU) |
| REACH Status | Compliant (SVHC < 0.1% w/w) |
| Last Catalog Update | June 2026 |
Disclaimer: Cutting parameters and application data are provided as general guidance. Always consult Kyocera's official catalog or contact Kyotow.com technical support for application-specific recommendations. Actual performance depends on machine condition, workpiece material consistency, and coolant quality.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
