Kyocera SGM PR1535 SGM08366 2FL Drill - CNC Precision Drilling
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08366
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1. Product Overview
The Kyocera SGM08366 is a premium-grade solid carbide drill featuring the PR1535 substrate. Designed for Stainless steel applications, this 1.90 mm diameter 2-flute drill delivers exceptional dimensional accuracy, superior surface finish, and extended tool life in demanding CNC machining environments. Manufactured in Japan to stringent ISO 9001 quality standards, the SGM series represents Kyocera's commitment to precision engineering and reliability.
2. ISO Designation Breakdown
| Element | Value | Description |
|---|---|---|
| Tool Code | SGM08366 | Kyocera SGM Series Solid Carbide Drill |
| Diameter (D) | 1.90 mm | Nominal cutting diameter |
| Flute Length (L1) | 24 mm | Helical flute length |
| Overall Length (L) | 66 mm | Total tool length |
| Shank Diameter (d) | 3.0 mm | Cylindrical shank diameter |
| Flutes (Z) | 2 | Two-flute design for chip evacuation |
| Grade | PR1535 | Carbide substrate grade |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (D) | 1.90 mm | h5 (±0.004 mm) |
| Point Angle | 140° | ±1° |
| Helix Angle | 30° | ±2° |
| Rake Angle (γ) | 14° | ±1° |
| Core Thickness | 0.475 mm | ±0.02 mm |
| Margin Width | 0.10 mm | ±0.01 mm |
| Runout (TIR) | ≤ 0.005 mm | — |
| Surface Finish (Flute) | Ra ≤ 0.2 μm | — |
4. Grade Details — Key Grade Characteristics
PR1535 is an advanced carbide grade engineered specifically for high-performance drilling operations:
- Coating Technology: Advanced nano-layer PVD (TiAlSiN)
- Substrate Hardness: HRA 93.2
- Fracture Toughness: Very High
- Maximum Operating Temperature: 950°C
- Coating Color: Copper Gold
- Wear Resistance: Excellent
- Chemical Stability: Superior oxidation resistance up to 950°C
5. Grade Comparison Matrix
| Property | PR1725 (Standard) | PR1535 (Premium) |
|---|---|---|
| Coating Type | TiAlN PVD | TiAlSiN Nano PVD |
| Hardness | HRA 92.5 | HRA 93.2 |
| Heat Resistance | 800°C | 950°C |
| Best For | General steel, cast iron | Stainless, Ti, HRSA |
| Price Tier | Standard | Premium |
| Tool Life Index | 100% (baseline) | 135–160% |
6. Chipbreaker Profile
Precision 2-flute helical groove with polished flute surface (Ra 0.2 μm) and enhanced rake angle (14°) for superior chip control in gummy materials. The SGM series features a variable helix design with polished flute surfaces that minimize built-up edge (BUE) and ensure smooth chip evacuation even at elevated feed rates. The point geometry incorporates a specialized thinning design that reduces thrust force by approximately 15% compared to conventional 2-flute drills, enabling stable entry and reduced burr formation.
7. Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Machinability | Recommended Grade |
|---|---|---|---|
| Carbon Steel | P1.1–P1.3 | Good | PR1725 ✓ |
| Alloy Steel | P2.1–P2.5 | Moderate | PR1725 ✓ |
| Gray Cast Iron | K1.1–K2.2 | Good–Excellent | PR1725 ✓ |
| Austenitic Stainless Steel | M1.1–M2.1 | Moderate–Difficult | PR1535 ✓✓ |
| Titanium Alloy | S1.1–S2.1 | Difficult | PR1535 ✓✓ |
| Inconel / HRSA | S3.1–S4.1 | Very Difficult | PR1535 ✓✓ |
8. Application Map by Operation
| Operation Type | Suitability | Max Depth | Notes |
|---|---|---|---|
| Through-Hole Drilling | ★★★★★ | 3×D | Optimal chip evacuation |
| Blind-Hole Drilling | ★★★★☆ | 2×D | Use peck cycle recommended |
| Spot Drilling | ★★★★★ | 0.5×D | Excellent centering accuracy |
| Counterboring | ★★★☆☆ | 1×D | Reduce speed by 20% |
| Enlarging Existing Hole | ★★★★☆ | 2.5×D | Ensure adequate stock allowance |
9. Recommended Cutting Conditions
| Workpiece Material | Cutting Speed Vc (m/min) | Feed f (mm/rev) | Depth ap |
|---|---|---|---|
| Stainless Steel (304/316) | 60–85 | 0.08–0.14 | 1.5×D |
| Titanium Alloy (Ti6Al4V) | 30–45 | 0.05–0.08 | 1.0×D |
| Inconel 718 | 15–25 | 0.04–0.07 | 0.8×D |
| Heat-Resistant Steel | 40–60 | 0.06–0.10 | 1.2×D |
Note: Values are starting recommendations. Optimize based on machine rigidity, coolant concentration, and workpiece fixturing. For 1.90 mm diameter, calculate spindle speed (n) using: n = (Vc × 1000) / (π × D).
10. Operating Guidelines
- Coolant: High-pressure internal coolant (≥ 70 bar) is strongly recommended for holes deeper than 1.5×D. Use water-miscible cutting fluid with 8–10% concentration.
- Peck Cycle: For blind holes or depths > 2×D, employ a peck drilling cycle with retract to break chips. Peck depth = 0.5–1.0×D.
- Entry: Reduce feed to 50% for the first 0.3 mm to stabilize entry and prevent walk. Use a spot drill or chamfer if surface is irregular.
- Exit: Reduce feed to 30% when breaking through to minimize burr formation on the exit face.
- Tool Life Monitoring: Monitor flank wear (VB). Resharpen or replace when VB reaches 0.15 mm for precision applications or 0.20 mm for general machining.
- Storage: Store in original packaging away from moisture and corrosive atmospheres. Avoid contact with other tools to prevent edge chipping.
11. Toolholder Compatibility
| Holder Type | Compatibility | Recommended TIR | Notes |
|---|---|---|---|
| ER Collet Chuck (ER16/ER20) | ✓ Excellent | ≤ 0.01 mm | Most common; use precision collet |
| Hydraulic Expansion Chuck | ✓✓ Optimal | ≤ 0.003 mm | Best for high-precision work |
| Shrink Fit Chuck | ✓✓ Optimal | ≤ 0.003 mm | Maximum rigidity and transfer |
| Weldon Side-Lock | ✓ Good | ≤ 0.015 mm | Ensure flat is properly seated |
12. Packaging & Ordering Information
- Packaging: Each SGM08366 is individually sealed in a protective plastic tube with desiccant to prevent moisture damage during transit and storage.
- Minimum Order Quantity: 1 piece (no MOQ for standard items).
- Lead Time: In-stock items ship within 24–48 hours. Non-stock items typically available within 5–7 business days.
- Order Code: SGM08366 — PR1535 — 1.90 mm
- Warranty: Covered by Kyocera's standard manufacturer warranty against material and workmanship defects.
- Certification: ISO 9001:2015 manufacturing compliance. Material safety data sheet (MSDS) available upon request.
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Series | SGM — Solid Carbide Micro-Drill Series |
| Manufacturer | Kyocera Corporation, Japan |
| Tool Category | Solid Carbide Drill (2-Flute) |
| Industry Standards | DIN 6537, ISO 5414 |
| Application Sector | Aerospace, Automotive, Medical, General Precision Engineering |
| Last Catalog Update | June 2026 |
| EAN / UPC | Not assigned (industrial tooling) |
✓ 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.
