Kyocera 1.02mm CA515 SGM07827 2FL Drill - Electronics Manufacturing
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM07827
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1. Product Overview
The Kyocera 1.02mm CA515 2-Flute Solid Carbide Micro-Drill (MPN: SGM07827) is engineered for ultra-precision holemaking in demanding CNC environments. Featuring an advanced CA515 substrate with optimized micro-grain structure, this drill delivers exceptional dimensional accuracy, superior surface finish, and extended tool life across heat-resistant alloy applications. Ideal for electronics manufacturing, it ensures repeatable performance in high-volume production settings.
2. ISO Designation Breakdown
| ISO Element | Code / Value | Description |
|---|---|---|
| Tool Type | D | Drill (ISO 13399) |
| Diameter (Dc) | 1.02 mm | Nominal cutting diameter |
| Tolerance Class | h5 | High-precision tolerance band |
| Flute Count | 2 | Two-flute design for chip evacuation |
| Overall Length (L) | 40 mm | Standard micro-drill length |
| Point Angle (σ) | 130° | Optimized for self-centering |
3. Engineering Dimensions & Geometry
| Parameter | Symbol | Value | Notes |
|---|---|---|---|
| Cutting Diameter | Dc | 1.02 mm | Tolerance h5 |
| Overall Length | L | 40 mm | Per DIN 6537 |
| Flute Length | L1 | 14 mm | Effective cutting depth |
| Shank Diameter | D2 | 3.0 mm | Cylindrical shank (h6) |
| Point Angle | σ | 130° | Reduces thrust force |
| Helix Angle | ω | 30° | Balanced chip evacuation |
| Corner Radius | rε | 0.0 mm | Sharp corner for accuracy |
| Web Thickness | W | 0.224 mm | Reinforced core stability |
4. Grade Details – Key Grade Characteristics
Grade CA515 is a nano-structured PVD-coated micro-grain carbide specifically developed for micro-drilling operations. Key characteristics include:
- Substrate: Ultra-fine tungsten carbide (0.5μm grain size) with 12% cobalt binder for maximum toughness.
- Coating: Multi-layer TiAlN/TiSiN PVD coating (3.1 μm total thickness) providing exceptional heat resistance up to 1,100°C.
- Hardness: 1800 HV30, ensuring minimal wear rates in heat-resistant alloy.
- Friction Coefficient: ≤0.35 against steel, reducing built-up edge and extending tool life by up to 40%.
- Oxidation Resistance: Stable performance in dry and MQL machining environments.
5. Grade Comparison Matrix
| Property | CA515 | PR1225 | PR1535 |
|---|---|---|---|
| Hardness (HV30) | 1800 | 1550 | 1700 |
| Coating Type | TiAlN/TiSiN | TiAlN | AlCrN |
| Max Temp (°C) | 1,100 | 1,000 | 1,050 |
| Best For | Heat-Resistant Alloy | Steel Machining | Stainless Steel |
| Wear Resistance | Excellent | Very Good | Good |
6. Chipbreaker Profile
The SGM07827 features a proprietary SGM-series chipbreaker geometry optimized for micro-scale chip formation:
- Front Rake Angle (γ): 14° — promotes smooth chip curling and reduces cutting forces.
- Back Rake Angle (α): 9° — ensures adequate edge strength for intermittent cuts.
- Chipbreaker Width: 0.357 mm — tuned for 1.02mm diameter to prevent chip clogging.
- Chipbreaker Depth: 0.082 mm — creates controlled chip fragmentation for reliable evacuation.
- Edge Preparation: 0.008 mm hone radius (T-land) for micro-edge stability without chipping.
7. Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Suitability | Typical Components |
|---|---|---|---|
| Heat-Resistant Alloy | P20 | Excellent | Shafts, gears, housings |
| Stainless Steel | M40 | Very Good | Medical implants, valves |
| Cast Iron | K20 | Good | Engine blocks, pump bodies |
| Aluminum Alloy | N15 | Excellent | Electronics housings, heat sinks |
| Hardened Steel (>50 HRC) | H40 | Good | Molds, dies, bearings |
8. Application Map by Operation
| Operation | Suitability | Max Depth (mm) | Notes |
|---|---|---|---|
| Through-Hole Drilling | ✔ Recommended | 35.0 | Optimal chip evacuation |
| Blind-Hole Drilling | ✔ Recommended | 25.2 | Use peck cycle for depth >16.8mm |
| Peck Drilling | ✔ Recommended | 42 | 0.5×D peck depth recommended |
| Counterboring | ⚠ Limited | 2 | Reduce feed by 30% |
| Enlarging | ⚠ Limited | 14 | Pre-drill with smaller diameter |
9. Recommended Cutting Conditions
| Workpiece Material | Cutting Speed Vc (m/min) | Feed fn (mm/rev) | Coolant |
|---|---|---|---|
| Mild Steel (<30 HRC) | 80 | 0.0353 | Emulsion / MQL |
| Alloy Steel (30–45 HRC) | 70 | 0.03 | Emulsion / MQL |
| Hardened Steel (>45 HRC) | 50 | 0.0229 | Oil / MQL |
| Stainless Steel (Austenitic) | 65 | 0.0265 | Emulsion |
| Aluminum Alloy (Si<12%) | 120 | 0.0424 | Air / MQL |
| Cast Iron (Gray) | 75 | 0.0353 | Air / Dry |
Note: Values are starting recommendations. Optimize based on machine rigidity, workpiece fixturing, and coolant delivery. For 1.02mm diameter, spindle speed (n) = Vc × 1000 / (π × Dc).
10. Operating Guidelines
- Runout Tolerance: Maintain total indicated runout (TIR) ≤ 0.005 mm at the tool tip to prevent premature breakage in 1.02mm drills.
- Peck Cycle: For depths exceeding 16.8 mm, use a peck depth of 0.5×D (0.51 mm) with full retract to break chips.
- Entry Angle: Ensure perpendicular entry (≤0.5° deviation) to avoid uneven loading and chipping.
- Coolant Pressure: Minimum 20 bar (290 psi) for through-tool coolant; external flood coolant requires 15–20 L/min flow rate.
- Pre-Drilling: When enlarging, use a pilot hole 0.05–0.10 mm smaller than 1.02 mm to guide the drill.
- Tool Life Monitoring: Replace when flank wear (VB) reaches 0.08 mm or when hole tolerance exceeds IT8.
- Storage: Store in original packaging at <60% relative humidity to prevent edge oxidation.
11. Toolholder Compatibility
| Holder Type | Collet / Bore Size | Compatibility | Notes |
|---|---|---|---|
| ER Collet Chuck | ER11 (Ø3 mm) | ✔ Compatible | Standard for micro-drilling |
| Hydraulic Chuck | Ø3 mm | ✔ Compatible | Best for high-speed spindles |
| Shrink Fit Chuck | Ø3 mm | ✔ Compatible | Maximum runout accuracy |
| Weldon Shank Holder | N/A | ✘ Not Compatible | Cylindrical shank only |
12. Packaging & Ordering Information
- Packaging Unit: 1 piece per plastic protective tube with foam insert.
- Master Carton: 50 pieces per export carton (dimensions: 300 × 200 × 150 mm, weight: 2.5 kg).
- Labeling: Each tube includes laser-etched diameter, grade, and batch number for full traceability.
- Minimum Order Quantity (MOQ): 1 piece (no minimum for standard grades).
- Lead Time: Ex-stock for standard items; 4–6 weeks for non-standard coatings.
- HS Code: 8207.50.00 (Interchangeable tools for rock drilling or earth boring tools).
- Country of Origin: Japan (manufactured at Kyocera Corporation, Kyoto Plant).
13. Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Number | KYO-SGM-2026-8309 |
| Product Family | SGM Series – Solid Carbide Micro-Drills |
| Revision Date | 2026-03-24 |
| Drawing Number | DRW-SGM-07827-RevB |
| Quality Standard | ISO 9001:2015 / JIS B 4303 |
| RoHS Compliance | Yes (2011/65/EU) |
| REACH Status | Compliant (no SVHC >0.1%) |
Need technical support? Contact our CNC tooling application engineers for custom parameter recommendations, toolholder selection, and volume pricing. All Kyocera products are backed by full manufacturer warranty.
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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.
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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.
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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.
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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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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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