| Customization: | Available |
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| Customized: | Customized |
| Standard: | GB/T |
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These high-speed steel (HSS) step drill bits are engineered for versatility in drilling both metal and plastic materials. Ideal for sheet metals such as aluminum, brass, and mild steel, as well as various plastics like PVC and acrylic, these bits offer clean, burr-free drilling with multiple hole sizes in a single tool.
Each bit features a step design that allows for drilling different hole sizes without the need to change bits. The precisely machined steps ensure smooth transitions between diameters, while the deburring function at each step provides clean, finished holes, reducing the need for secondary processing.
Made from high-speed steel and subjected to advanced heat treatment, these step drill bits are built for extended durability. Their thermal resistance allows them to maintain sharpness and structural integrity even under high-speed and high-temperature drilling conditions common when working with metal.
Perfect for professionals and DIY users alike, these step drill bits are widely used in electrical work, HVAC installation, metalworking, and plastic fabrication. Their ability to drill precise holes in both metal and plastic makes them indispensable tools for panel work, enclosure modification, and general fabrication tasks.
1. Razor-Sharp Cutting Edge
Crafted from high-speed steel (HSS), these step drill bits feature precision-ground cutting edges that ensure smooth, efficient penetration into metal sheets and plastic panels. The sharp edges reduce cutting resistance and minimize burr formation, delivering clean holes with minimal effort.
2. Self-Centering Split Point Tip
The anti-slip split point design enables accurate starting without the need for center punching. This ensures stable, walk-free drilling even on curved or hard metal surfaces, improving control and precision from the first contact.
3. Efficient Step-by-Step Chip Removal
Each step is engineered for optimal chip clearance, with a spiral flute design that efficiently removes metal and plastic shavings. This minimizes heat buildup and material clogging, promoting smoother drilling and extending tool life during continuous use.
4. Durable, Corrosion-Resistant Finish
These step drill bits are finished with a polished or coated surface (e.g., titanium coating, if applicable), enhancing resistance to rust and wear. This is especially valuable for professionals working in varying environments where moisture or exposure to lubricants is common.
5. Balanced, Multi-Stage Design
The stepped geometry ensures multiple hole sizes with one bit, reducing tool changes and improving efficiency. The design maintains balance and control during operation, making it ideal for electrical panels, automotive work, and fabrication tasks involving thin metals or plastics.
Superior Wear Resistance & Heat Tolerance
Manufactured from premium high-speed steel (HSS), our step drill bits are designed to withstand high temperatures and friction generated during metal and plastic drilling. Their enhanced hardness ensures long-lasting sharpness and structural integrity, making them ideal for repeated use on tough materials like stainless steel, aluminum, and PVC.
Multi-Diameter Drilling with Clean Finishes
Each bit allows for drilling multiple hole sizes without needing to change tools, saving time and increasing efficiency. The stepped design not only ensures precise and gradual hole enlargement but also delivers clean, burr-free finishes on both metal and plastic surfaces, reducing the need for secondary deburring or finishing.
Reliable, Professional-Grade Versatility
Whether you're an electrician, metal fabricator, HVAC technician, or a DIY user, this multi-purpose step drill bit is a dependable choice. It's perfect for tasks such as drilling into metal panels, junction boxes, plastic enclosures, and more - offering precise control, clean results, and professional performance across a wide range of applications.
Q1: What makes high-speed steel drill bits different from regular drill bits?
A: High-speed steel (HSS) drill bits are made from a special alloy that provides better heat resistance, wear resistance, and durability compared to standard steel drill bits. These HSS drill bits maintain sharpness for longer, making them ideal for drilling through materials like wood, plastic, and soft metals. The added countersinking function also ensures that the drill bit creates clean, professional-quality holes for screws.
Q2: What materials can these high-speed steel drill bits handle?
A: These HSS drill bits are specifically designed for drilling wood, plastic, and other non-metallic materials. They are perfect for use in woodworking, furniture making, plastic fabrication, and DIY projects, ensuring precise and smooth holes in a variety of materials.
Q3: Are these drill bits available in different sizes?
A: Yes, our high-speed steel drill bits are available in a wide range of sizes to suit various applications. Whether you're working on small-scale woodworking or larger projects, we have the right size to meet your needs. Custom sizes are also available upon request to fit specific requirements.
Q4: Can these drill bits be used for high-speed drilling?
A: Yes, these high-speed steel drill bits are designed for efficient high-speed drilling. The superior material ensures that the bits retain their sharpness, resist heat buildup, and maintain cutting efficiency, even under demanding drilling conditions. They are perfect for both fast and repetitive drilling tasks in wood and plastic.
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