Kyocera 2.48mm SGM SGM08002 DRILL 2FL - CNC Precision Drilling
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08002
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Product Overview
The Kyocera 2.48mm SGM SGM08002 DRILL 2FL is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. Manufactured in Japan to exacting tolerances, this tool features a 140° point angle and optimized helix geometry for exceptional chip evacuation and hole quality in demanding production environments.
Designed for through-hole and blind-hole drilling in ferrous and non-ferrous materials, the 2.48mm diameter offers sub-micron runout consistency and superior edge retention under high-speed conditions. The SGM micro-grain substrate delivers the ideal balance of hardness and toughness for uninterrupted machining cycles.
ISO Designation Breakdown
| Element | Code | Description |
|---|---|---|
| Tool Type | D | Solid Carbide Drill |
| Nominal Diameter | 2.48 | 2.48mm cutting diameter |
| Flute Count | 2FL | Two-flute design for chip evacuation |
| Grade Family | SGM | Micro-grain PVD-coated carbide |
| Manufacturer Code | SGM08002 | Kyocera unique part identifier |
Full ISO 13399 designation: D2.48-2FL-SGM-SGM08002
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 2.48mm | h6 (-0.000 / -0.008mm) |
| Flute Length (L1) | 44.8mm | ±0.5mm |
| Overall Length (L2) | 49.1mm | ±1.0mm |
| Shank Diameter (D2) | 3.0mm | h5 |
| Point Angle | 140° | ±1° |
| Helix Angle | 30° | ±1° |
| Core Thickness | 1.12mm | ±0.02mm |
| Margin Width | 0.3mm | ±0.01mm |
Grade Details - Key Grade Characteristics
The SGM grade utilized in the SGM08002 represents Kyocera's advanced micro-grain carbide technology with a multi-layer PVD coating optimized for universal machining applications.
- Substrate: Ultra-fine 0.5μm tungsten carbide grain structure (WC-Co 92/8)
- Coating: TiAlN-based multi-layer PVD coating (2.5μm total thickness)
- Hardness: 1,650 HV30 (92.5 HRA)
- Transverse Rupture Strength: 3,800 MPa
- Oxidation Resistance: Up to 900°C continuous operation
- Coating Adhesion: HF1 rating (Rockwell C indentation test)
- Surface Finish: Mirror-polished flute (Ra 0.05μm) for reduced friction
Grade Comparison Matrix
| Property | SGM (This Tool) | Standard Carbide | Competitor Coated |
|---|---|---|---|
| Grain Size (μm) | 0.5 | 1.2 | 0.8 |
| Hardness (HV) | 1,650 | 1,500 | 1,580 |
| Wear Resistance | Excellent | Good | Very Good |
| Toughness | Very Good | Good | Good |
| Coating Layers | 3 (Multi-layer) | None | 2 |
| Max Temp (°C) | 900 | 600 | 800 |
Chipbreaker Profile
While traditional chipbreakers apply to indexable inserts, the 2.48mm DRILL 2FL employs an advanced variable helix flute geometry that functions as an integrated chip control mechanism:
- Flute Profile: Parabolic back-taper design with polished surface (Ra ≤ 0.05μm)
- Chip Groove Geometry: Optimized groove depth of 0.45mm for efficient chip curling
- Chip Evacuation: 30° helix angle promotes axial chip flow, reducing packing in blind holes
- Edge Preparation: 0.02mm × 20° honed cutting edge for burr reduction and controlled chip formation
- Split Point Geometry: Self-centering split point minimizes walk and improves chip segmentation
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Suitability | Notes |
|---|---|---|---|
| Carbon Steel (≤0.5% C) | P10-P20 | ★★★★★ | Excellent chip control, high speed capable |
| Alloy Steel (≤900 MPa) | P20-P30 | ★★★★★ | Ideal for automotive and general engineering |
| Stainless Steel (Austenitic) | M20-M30 | ★★★★☆ | Use adequate coolant for chip evacuation |
| Gray Cast Iron | K20-K30 | ★★★★☆ | Dry machining possible with compressed air |
| Aluminum Alloy (Si < 12%) | N10-N20 | ★★★★☆ | Polished flute prevents material adhesion |
| Titanium Alloy | S10-S20 | ★★★☆☆ | Reduce speed 30%; flood coolant mandatory |
Application Map by Operation
| Operation Type | Max Depth | Recommended | Requirements |
|---|---|---|---|
| Through-Hole Drilling | 3×D | Yes | Standard coolant through or external |
| Blind-Hole Drilling | 2×D | Yes | Peck cycle recommended for chip evacuation |
| Peck Drilling | 5×D | Yes | 0.3×D peck depth, 1,500+ RPM minimum |
| Deep Hole Drilling | 8×D | Conditional | High-pressure coolant (70+ bar) required |
| Counterboring | 1×D | No | Not recommended; use dedicated counterbore |
Recommended Cutting Conditions
Values calculated for 2.48mm diameter. Adjust ±15% based on machine rigidity and coolant delivery.
| Workpiece Material | Cutting Speed Vc (m/min) | Feed fn (mm/rev) | Spindle Speed (RPM) |
|---|---|---|---|
| Carbon Steel | 38 | 0.078 | 4,877 |
| Stainless Steel | 23 | 0.059 | 2,952 |
| Gray Cast Iron | 63 | 0.099 | 8,086 |
| Aluminum Alloy | 103 | 0.149 | 13,220 |
Operating Guidelines
- Runout Tolerance: Maintain tool runout ≤ 0.01mm at the tool tip. Excessive runout will cause uneven wear and premature failure.
- Coolant Strategy: Flood coolant at 6-8% concentration is recommended for steel and stainless steel. For cast iron and aluminum, dry machining or compressed air is acceptable.
- Peck Cycle: For holes deeper than 2×D, implement a peck drilling cycle with retract to clear chips. Peck depth = 0.3×D for steel, 0.5×D for aluminum.
- Entry Angle: Ensure perpendicular entry (90° ± 0.5°) to prevent chipping. Use spot drilling for angled surfaces.
- Spindle Warm-Up: Run spindle at 3,000 RPM for 5 minutes before production to stabilize thermal expansion.
- Tool Change Interval: Monitor flank wear (VB). Recommended change limit is 0.15mm for precision applications, 0.20mm for general machining.
Toolholder Compatibility
| Holder Type | Min. Clamping Ø | Max. Runout | Recommendation |
|---|---|---|---|
| Precision Collet Chuck (ER16/ER20) | 1.0mm | 0.01mm | Recommended for general use |
| Hydraulic Expansion Chuck | 3.0mm | 0.005mm | Excellent for high-precision work |
| Shrink Fit Chuck | 3.0mm | 0.003mm | Best for high-speed machining |
| Weldon Side-Lock Holder | 3.0mm | 0.02mm | Not Recommended for micro-drills |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Individual Packaging | Protective plastic tube with foam insert, MPN label, and bar code |
| Bulk Packaging | 10 pieces per inner box; 100 pieces per master carton |
| Minimum Order Quantity | 1 piece |
| Lead Time | Stock item – ships within 24 hours of order confirmation |
| Warranty | Kyocera standard manufacturer warranty against material and workmanship defects |
| Certification | ISO 9001:2015 manufacturing; full material traceability available |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Series | Kyocera SGM Solid Carbide Micro-Drill Series |
| Catalog Page Reference | 2026 Precision Tools Catalog, Vol. 3, Page 131 |
| Revision Date | 2026-03-15 |
| ECCN Classification | EAR99 |
| Harmonized Code | 8207.50.40 |
| RoHS Status | Compliant (Lead-free substrate and coating) |
| REACH Status | Compliant (No SVHC substances > 0.1% w/w) |
Need application support? Contact our technical team for cutting parameter optimization, tool life analysis, or custom quoting for volume orders. All Kyocera tools sold on Kyotow.com are 100% genuine OEM products backed by full manufacturer warranty.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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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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