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| Brand Name: | xingrui |
| Model Number: | 3mm |
| MOQ: | 500pcs |
| Price: | $0.015-2.58 |
| Delivery Time: | 25-30days |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Key Features:
1.5% Cobalt Reinforced HSS Material: These drill bits feature a blend of high-speed steel and 5% cobalt, increasing heat resistance and wear resistance. This makes them perfect for high-speed drilling tasks and tough materials that demand a stronger, longer-lasting bit.
2.Precision Cutting Design: The 135° split point ensures quick, self-centering starts and smooth cutting, reducing walking and allowing for more accurate, cleaner holes.
3.Superior Durability: Thanks to the combination of HSS and cobalt, these drill bits are engineered to withstand extreme temperatures and high pressure, making them suitable for longer, more demanding jobs.
4.Wide Range of Applications: These drill bits are ideal for metalworking, machining, woodworking, and construction tasks. They are perfect for drilling into ferrous and non-ferrous metals, including stainless steel, cast iron, brass, and aluminum.
5.Versatile Size Range: Available in sizes from 1mm to 20mm, ensuring compatibility with a variety of tasks. Whether you need a small hole or a larger one, we’ve got you covered.
Enhanced Performance with Cobalt:
Cobalt adds a high degree of red hardness, which means these drill bits retain their sharpness and cutting ability even under high temperatures. Ideal for industries that require precision and consistent quality, including automotive, aerospace, and construction.
Specifications:
1.Material: High-Speed Steel (HSS) with 5% Cobalt
2.Size Range: 1mm to 20mm
3.Cutting Angle: 135° split point for quick and accurate drilling
4.Shank Type: Round shank, compatible with both keyed and keyless chucks
5.Surface Finish: Bright finish for smoother cutting performance
6.Usage: Designed for metal drilling, machining, woodworking, and other demanding applications
Size Chart:
| Diameter (mm) | Total Length (mm) | Flute Length (mm) |
|---|---|---|
| 1.0 | 45 | 25 |
| 2.0 | 50 | 30 |
| 3.0 | 55 | 35 |
| 4.0 | 60 | 40 |
| 5.0 | 65 | 45 |
| 6.0 | 70 | 50 |
| 7.0 | 75 | 55 |
| 8.0 | 80 | 60 |
| 9.0 | 85 | 65 |
| 10.0 | 90 | 70 |
| 11.0 | 95 | 75 |
| 12.0 | 100 | 80 |
| 13.0 | 105 | 85 |
| 14.0 | 110 | 90 |
| 15.0 | 115 | 95 |
| 16.0 | 120 | 100 |
| 17.0 | 125 | 105 |
| 18.0 | 130 | 110 |
| 19.0 | 135 | 115 |
| 20.0 | 140 | 120 |
Applications:
1.Metalworking: Ideal for drilling into stainless steel, cast iron, mild steel, brass, and aluminum. These drill bits are perfect for metal fabrication, welding, and automotive repairs.
2.Precision Drilling: Excellent for applications requiring precision holes, including machining and electronics assembly.
3.Woodworking & Construction: Suitable for drilling in wood, plastics, and composite materials, offering versatility across industries.
4.Heavy-Duty Tasks: Built for industrial and commercial settings that require high-volume drilling and long-lasting performance.
Why Choose Our Industrial HSS Drill Bits?
1.Heat Resistance: The 5% cobalt ensures that these drill bits maintain their cutting edge under extreme heat, extending their lifespan and improving overall performance.
2.Quick, Accurate Drilling: The 135° split point guarantees self-centering and fast drilling, ensuring clean holes with minimal effort and less chance of material deformation.
3.Long-Lasting Durability: Designed for continuous heavy-duty use, these bits are built to last longer than standard HSS bits, reducing downtime and maintenance costs.
4.Highly Versatile: Whether you’re working in construction, machining, or DIY projects, these drill bits can handle a wide variety of materials, making them a cost-effective solution for professionals and hobbyists alike.
Packaging Options:
1.Single Drill Bit: Ideal for individual use or smaller projects.
2.Set of 5 or 10 Drill Bits: Perfect for bulk purchases, providing a range of sizes for industrial use or workshops.
