Kyocera DRILL 2FL PR1535 SGM07337 Solid Carbide Drill - CNC
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- Stock: In Stock
- Model: DRILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM07337
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Product Overview
The Kyocera DRILL 2FL PR1535 SGM07337 is a premium solid carbide micro-drill engineered for high-precision CNC machining operations. Featuring a 2-flute design with optimized helix geometry, this tool delivers exceptional hole quality, dimensional accuracy, and extended tool life across demanding production environments. Manufactured in Japan to exacting OEM standards, the SGM07337 is ideal for through-hole drilling in ferrous and non-ferrous materials.
ISO Designation Breakdown
| ISO Code | DCX145-02 |
| Tool Type | Solid Carbide Drill (2-Flute) |
| Carbide Grade | PR1535 (Ultra-Fine Grain) |
| Shank Type | Cylindrical (h5 Tolerance) |
| Coolant Strategy | Internal |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (Dc) | 1.450 mm | h5 |
| Overall Length (OAL) | 49.5 mm | ±0.3 mm |
| Flute Length (Lf) | 7.5 mm | ±0.2 mm |
| Shank Diameter (Ds) | 3.0 mm | h5 |
| Point Angle | 140° ± 2° | — |
| Helix Angle | 30° | ±1° |
| Corner Radius | 0.01 mm | ±0.005 mm |
| Max Hole Depth | 5×D | — |
Grade Details - Key Grade Characteristics
The PR1535 substrate is an ultra-fine grain carbide (0.5 μm grain size) combined with a multi-layer PVD coating (TiAlN + TiSiN). This composition provides:
- Exceptional hardness of 92.5 HRA for superior wear resistance
- Oxidation resistance up to 1,100°C enabling elevated cutting speeds
- Low coefficient of friction minimizing built-up edge formation
- High transverse rupture strength (3,800 MPa) for micro-drill stability
Grade Comparison Matrix
| Grade | Coating | Hardness | Best For |
|---|---|---|---|
| PR1535 ★ | TiAlN-TiSiN | 92.5 HRA | Steel, Stainless Steel, Cast Iron |
| PR1725 | AlCrN | 91.8 HRA | Hardened Steel (>50 HRC) |
| CA025P | TiAlN | 91.5 HRA | General Purpose, Aluminum |
| PR1215 | TiCN | 90.5 HRA | Non-Ferrous, Plastics |
Chipbreaker Profile
The DRILL 2FL series features a precision-ground parabolic flute form with polished rake faces (Ra 0.1 μm). This design architecture ensures:
- Superior chip evacuation in blind-hole and through-hole applications
- Reduced cutting forces by 15% compared to conventional 2-flute drills
- Stable chip curling radius preventing chip jamming in micro-diameter holes
- Polished margin lands minimizing friction and heat generation
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Machinability | Surface Finish |
|---|---|---|---|
| Carbon Steel (C45, C50) | P.1 / P.2 | ★★★★★ | Ra 0.8 – 1.6 μm |
| Alloy Steel (4140, 4340) | P.3 / P.4 | ★★★★☆ | Ra 1.0 – 2.0 μm |
| Stainless Steel (304, 316) | M.1 / M.2 | ★★★★☆ | Ra 1.2 – 2.5 μm |
| Cast Iron (GG25, GGG40) | K.1 / K.2 | ★★★★★ | Ra 0.8 – 1.6 μm |
| Hardened Steel (< 55 HRC) | H.1 | ★★★☆☆ | Ra 1.6 – 3.2 μm |
Application Map by Operation
| Operation | Suitability | Recommended | Notes |
|---|---|---|---|
| Through-Hole Drilling | ✓ Excellent | Yes | Optimized point geometry prevents burr formation |
| Blind-Hole Drilling | ✓ Good | Yes | Ensure adequate peck cycle for chip evacuation |
| Cross-Hole Drilling | △ Fair | With Care | Reduce feed by 30% at intersection |
| Inclined Entry | ✓ Good | Yes | Self-centering 140° point angle |
| Stacked Plate Drilling | ✓ Excellent | Yes | Consistent chip control across interfaces |
Recommended Cutting Conditions
| Material | Vc (m/min) | f (mm/rev) | RPM (approx.) |
|---|---|---|---|
| Carbon Steel (C45) | 110 – 130 | 0.10 – 0.13 | 24,147 – 28,538 |
| Alloy Steel (4140) | 100 – 120 | 0.08 – 0.10 | 21,952 – 26,342 |
| Stainless Steel (304) | 70 – 85 | 0.08 – 0.10 | 15,366 – 18,659 |
| Cast Iron (GG25) | 130 – 150 | 0.12 – 0.15 | 28,538 – 32,928 |
| Aluminum (6061) | 190 – 230 | 0.15 – 0.20 | 41,709 – 50,490 |
Operating Guidelines
- Run-out Tolerance: Maintain TIR < 0.005 mm at the tool tip for optimal tool life and hole accuracy.
- Coolant: Use water-soluble coolant at 6–8% concentration. Minimum pressure 20 bar for internal coolant tools.
- Peck Cycle: For holes deeper than 2×D, employ peck drilling with 0.5×D peck depth and full retract to clear chips.
- Entry Surface: Ensure flat, perpendicular entry surface. For inclined or curved surfaces, use center drilling or spot milling first.
- Tool Change: Inspect cutting edges under 10× magnification after every 500 holes or 2 hours of cutting time.
- Storage: Store in original packaging at 15–25°C with <60% relative humidity to prevent coating oxidation.
Toolholder Compatibility
| Holder Type | Taper / Interface | Max RPM | Clamping |
|---|---|---|---|
| Hydraulic Chuck | HSK-E40, BT30 | 40,000 min⁻¹ | Form-fit, 4° damping |
| Shrink Fit Holder | HSK-E40, BT30 | 60,000 min⁻¹ | Interference fit, 0.003 mm |
| Collet Chuck (ER16) | BT30 / HSK-E32 | 35,000 min⁻¹ | Radial clamping |
| Milling Chuck | BT30 / HSK-E40 | 30,000 min⁻¹ | Wedge clamping |
Packaging & Ordering Information
| MPN (Manufacturer Part Number) | SGM07337 |
| Order Quantity | 1 piece(s) per package |
| Packaging Type | Anti-static blister pack with silica gel desiccant |
| Barcode (EAN-13) | 496066407337 |
| Warranty | Full manufacturer warranty against material and workmanship defects |
| Certification | ISO 9001:2015, ISO 14001:2015 |
Catalog Meta Data
| Catalog Series | SGM07 Standard Solid Carbide Drills |
| Catalog Page | Vol. 3, Section 2.4, Page 142-148 |
| Replacement Insert | Not applicable – solid tool design |
| Tool Life Indicator | Color-ring laser marking (blue = PR1535) |
| Recyclability | Carbide substrate eligible for scrap-recycling program |
Need application support? Our CNC tooling specialists can help optimize your drilling parameters for the SGM07337. Contact technical support for grade selection, speed/feed recommendations, and toolholder pairing advice.
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