High-performance Carbide Drill/Coolant Fed Drill options. The advanced coating provides exceptional hardness, wear resistance, and thermal stability, making these tools ideal for hole-making in mold steel, cast iron, stainless steel, and other tough materials. The presence of internal cooling holes greatly improves cooling efficiency.
Spiral groove provides space for chip removal, which improves the smoothness and efficiency of chip removal. Spiral Flutes and chip removal groove are mainly used for chip removal during machining, so as to improve the quality of the machined hole surface and machining efficiency. Compared with the traditional twist drills, the carbide coolant fed drill point is improved in the geometry of the drill to adapt to the milling of high hardness materials to improve the cutting performance and efficiency.
Hole-making in mold steel, cast iron, stainless steel, and other tough materials.
| Shank Dia. (d) | Cutting Dia. (D) | Cutting Length (l) | Total Length (L) |
|---|---|---|---|
| 5 | 4-4.95 | 24 | 66 |
| 6 | 5-6 | 28 | 66 |
| 7 | 6.05-6.95 | 34 | 79 |
| 9 | 7-8 | 41 | 79 |
| 9 | 8.05-8.95 | 47 | 89 |
| 11 | 10.05-10.95 | 55 | 89 |
| 12 | 11-12 | 55 | 102 |
| 14 | 12.05-14 | 60 | 107 |
| 16 | 14.5-16 | 65 | 115 |
| 18 | 16.5-18 | 73 | 123 |
| 20 | 18.5-20 | 79 | 131 |
| 4 | 3-3.6 | 28 | 66 |
| 4 | 3.7-4 | 36 | 66 |
| 6 | 4.1-4.7 | 36 | 74 |
| 6 | 4.8-6 | 44 | 82 |
| 8 | 6.1-8 | 53 | 91 |
| 10 | 8.1-10 | 61 | 103 |
| 12 | 10.1-12 | 71 | 118 |
| 14 | 12.1-14 | 77 | 124 |
| 16 | 14.5-16 | 83 | 133 |
| 18 | 16.5-18 | 93 | 143 |
| 20 | 18.5-20 | 101 | 153 |
Carbide drills are high-performance cutting tools designed for precision drilling in a wide range of materials, including metals, composites, plastics, and wood. Made from tungsten carbide, these drills offer exceptional hardness, wear resistance, and heat tolerance, making them ideal for demanding industrial applications.
Whether you're working in aerospace, automotive, mold-making, or general machining, carbide drills provide faster cutting speeds, longer tool life, and better hole quality compared to traditional high-speed steel (HSS) drills.
Use Proper Speeds & Feeds - Follow manufacturer recommendations to avoid premature wear.
Ensure Rigid Setup - Minimize vibration to prevent tool breakage.
Use Coolant When Needed - Extends tool life and improves surface finish.
Inspect Regularly - Check for chipping, wear, or edge degradation.
Store Properly - Keep drills in a dry, organized environment to avoid damage.


















A1: We are a professional precision tools manufacturer with more than 30 years of experience in this industry.
A2: Yes, we provide OEM/ODM services. You can send design drawings for any customized items requiring manufacture.
A3: Yes, volume orders are eligible for discount rates.
A4: Inquiries are typically answered within 12 hours.
A5: Generally, it takes 10-15 days after receiving advance payment. The specific delivery time depends on the items and quantity ordered.
A6: Free shipping is not standard, but discounts may apply for bulk orders.