High-Performance Internal Cooling Tungsten Carbide Drills for Metalworking
JYW-SPB3D & JYW-SPB5D Series
LV Tool offers high-performance internal cooling tungsten carbide drills designed for superior precision and efficiency in demanding metalworking applications. These drills are engineered for machining a wide range of materials, including alloy steel, cast iron, stainless steel, heat-resistant alloys, and hardened steel. The internal coolant channels ensure optimal chip evacuation and temperature control at the cutting edge, significantly extending tool life and improving surface finish. Available in a comprehensive range of diameters and lengths (3xD and 5xD), our tungsten carbide drills provide a reliable solution for manufacturers seeking to enhance productivity and achieve exacting tolerances.
High-Performance Internal Cooling Tungsten Carbide Drills
LV® Tool's internal cooling tungsten carbide drills are engineered for high-precision and high-efficiency drilling operations in a variety of demanding industrial materials. Manufactured from premium micro-grain carbide rods and precision-ground on world-class CNC equipment, these drills deliver exceptional performance, superior hole quality, and extended tool life. The internal coolant-through design provides direct cooling to the cutting edge, effectively reducing thermal stress and ensuring efficient chip evacuation, which is critical when machining tough alloys and deep holes.
Key Features and Benefits
- Optimized Flute Geometry: Designed for smooth chip flow and reduced cutting forces, enhancing stability and precision.
- Internal Coolant Channels: Delivers coolant directly to the cutting zone, maximizing heat dissipation and improving chip removal for longer tool life and higher cutting speeds.
- Premium Tungsten Carbide Substrate: Provides excellent wear resistance and toughness, suitable for high-speed machining.
- Wide Application Range: Versatile design performs exceptionally well across a broad spectrum of materials.
- Precision Manufacturing: Ground to tight tolerances to ensure accurate hole diameters and superior surface finishes.
Recommended Machining Applications
These drills are ideal for manufacturers and job shops in the mold & die, automotive, aerospace, and general engineering sectors. Suitable materials include:
- Alloy Steel (e.g., P20, SCM440)
- Cast Iron (e.g., FCD, FC)
- Stainless Steel (e.g., SUS304, SUS316)
- Heat-Resistant Alloys (e.g., Inconel, Titanium Alloys)
- Hardened Steel (up to 55 HRC)
Product Specifications
We offer a comprehensive range of sizes in both 3xD and 5xD lengths to meet diverse application needs. Please refer to the table below for detailed specifications. For custom sizes or OEM/ODM inquiries, please contact our technical sales team.
| Model | Diameter (D) | Flute Length | Shank Diameter (d) | Overall Length (L) |
|---|---|---|---|---|
| JYW-SPB3D03~037 | 3.0 - 3.7 mm | 19 mm | 6 mm | 62 mm |
| JYW-SPB3D038~047 | 3.8 - 4.7 mm | 23 mm | 6 mm | 66 mm |
| JYW-SPB3D048~06 | 4.8 - 6.0 mm | 27 mm | 6 mm | 66 mm |
| JYW-SPB3D061~07 | 6.1 - 7.0 mm | 33 mm | 8 mm | 79 mm |
| JYW-SPB3D071~08 | 7.1 - 8.0 mm | 39 mm | 8 mm | 79 mm |
| JYW-SPB3D081~10 | 8.1 - 10.0 mm | 45 mm | 10 mm | 89 mm |
| JYW-SPB3D101~12 | 10.1 - 12.0 mm | 53 mm | 12 mm | 102 mm |
| JYW-SPB3D121~14 | 12.1 - 14.0 mm | 58 mm | 14 mm | 107 mm |
| JYW-SPB3D141~16 | 14.1 - 16.0 mm | 62 mm | 16 mm | 115 mm |
| JYW-SPB3D161~18 | 16.1 - 18.0 mm | 73 mm | 18 mm | 123 mm |
| JYW-SPB3D181~20 | 18.1 - 20.0 mm | 79 mm | 20 mm | 131 mm |
| JYW-SPB5D03~037 | 3.0 - 3.7 mm | 26 mm | 6 mm | 66 mm |
| JYW-SPB5D038~047 | 3.8 - 4.7 mm | 35 mm | 6 mm | 74 mm |
| JYW-SPB5D048~06 | 4.8 - 6.0 mm | 43 mm | 6 mm | 82 mm |
| JYW-SPB5D061~08 | 6.1 - 8.0 mm | 52 mm | 8 mm | 91 mm |
| JYW-SPB5D081~10 | 8.1 - 10.0 mm | 59 mm | 10 mm | 103 mm |
| JYW-SPB5D101~12 | 10.1 - 12.0 mm | 69 mm | 12 mm | 118 mm |
| JYW-SPB5D121~14 | 12.1 - 14.0 mm | 75 mm | 14 mm | 124 mm |
| JYW-SPB5D141~16 | 14.1 - 16.0 mm | 80 mm | 16 mm | 133 mm |
| JYW-SPB5D161~18 | 16.1 - 18.0 mm | 93 mm | 18 mm | 143 mm |
| JYW-SPB5D181~20 | 18.1 - 20.0 mm | 101 mm | 20 mm | 153 mm |
High-Performance Internal Cooling Tungsten Carbide Drills for Metalworking Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides High-Performance Internal Cooling Tungsten Carbide Drills for Metalworking for buyers who need dependable precision carbide end mills and cutting tools in professional CNC machining environments. This product supports manufacturers, machine shops, and tooling distributors looking for stable cutting performance, accurate dimensions, and reliable results across demanding materials and production conditions.
Our carbide tools are produced with premium materials, precision CNC grinding, coating expertise, and ISO 9001-certified quality control. This helps customers improve tool life, surface finish, chip evacuation, cutting stability, and machining efficiency in applications such as mold making, automotive parts, aerospace components, electronics, and precision machinery.
As a Taiwan manufacturer with OEM ODM support, LV Tool helps buyers evaluate product fit, standard dimensions, custom tooling needs, and long-term supply requirements. We focus on practical cutting tool solutions that reduce downtime, control cost, and support consistent production quality.

