| Customization: | Available |
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| Customized: | Customized |
| Standard: | GB/T |
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Multi-Material Versatility
Designed to drill through tough materials like stainless steel, alloy steel, cast iron, and other challenging metals, this M35 cobalt drill set offers exceptional adaptability across a range of industrial and construction materials.
Precision Performance
Each drill bit is engineered with sharp cutting edges and balanced flute geometry, ensuring smooth, accurate drilling with minimal vibration. This makes them ideal for repetitive and high-precision drilling tasks in demanding applications.
Enhanced Durability through Heat Treatment
Manufactured from M35 high-speed steel with cobalt infusion, these drill bits undergo advanced heat treatment to increase hardness, wear resistance, and extend tool life, even under high-temperature conditions.
Multi-Task Functionality
Perfect for electrical installation, metalworking, construction, and general-purpose drilling, this set reduces the need for frequent tool changes, streamlining workflows and improving efficiency on the job.
1)Stainless Steel
2)Mold Steel
3)Copper Alloy
4)Aluminum Alloy
5)Cast Iron
6)PVC
Razor-Sharp Cutting Edge
Crafted from M35 high-speed steel and cobalt alloy, these drill bits offer fast and efficient penetration into tough materials like stainless steel and other hard metals. The design minimizes resistance and edge wear, ensuring prolonged sharpness and reliable performance.
Anti-Slip Ground Tip
The fully ground tip design ensures precise positioning and stable entry into workpieces, reducing bit walking during high-speed or punchdown drilling tasks. This enhances accuracy, making it ideal for precision drilling jobs.
Optimized Chip Evacuation
With advanced spiral flute geometry, these drill bits facilitate smooth chip removal, reducing friction-induced heat buildup and preventing material clogging. This allows for continuous drilling without overheating or interruptions.
Corrosion-Resistant Finish
The polished finish not only enhances the appearance of the drill bits but also provides corrosion resistance, extending tool life, particularly in high-humidity or industrial environments where rust is a concern.
Ergonomic, Balanced Design
These drill bits are lightweight with an evenly distributed weight, offering better control and reducing operator fatigue. This design ensures greater comfort during extended drilling sessions, making them perfect for prolonged use across multiple applications.
Available Sizes:
| Specification | Cutting Diameter | Overall length | Blade length |
| 3 | 33mm | 61mm | 3mm |
Superior Wear Resistance & Heat Tolerance
Crafted from M35 cobalt high-speed steel, these drill bits are designed to retain their hardness and sharpness even under high-temperature and high-friction drilling conditions, ensuring long-lasting performance in tough applications.
Versatile Drilling Performance
Ideal for drilling stainless steel, hardened alloys, carbon steel, cast iron, and other hard-to-machine materials, this drill set is perfect for a variety of industrial, commercial, and workshop applications.
Trusted Multi-Purpose Solution
Designed to meet the needs of both professionals and DIY enthusiasts, this set delivers consistent, clean, and efficient drilling results. Whether you're working on metal fabrication, construction, maintenance, or installation tasks, these bits will help you get the job done right.
Advanced Manufacturing Capabilities
CNC Precision Grinding
Ensures consistently sharp flute geometry and precise tip angles, enabling smooth and accurate drilling even under high-speed, repetitive conditions. This process guarantees precise performance, minimizing vibrations for smoother operation.
Vacuum Heat Treatment
Enhances the surface hardness and internal toughness of M35 cobalt drill bits, ensuring long tool life and consistent performance in demanding applications, even under extreme heat and high-stress conditions.
Ultra-Fine Polishing
Minimizes friction and chip adhesion, enhancing heat dissipation and protecting workpiece surfaces during high-load drilling tasks. This process reduces wear and helps maintain efficient drilling performance.
Refined Metallurgy & Material Purity
EAF + LF + VD + RS ESR Technology
Uses advanced steelmaking techniques to produce clean, high-toughness M35 cobalt steel, reducing internal impurities and brittleness. This results in increased reliability and durability, even under thermal and mechanical stress.
Integrated Thermal Optimization
Quenching + Cryogenic Treatment + Tempering
Optimizes the hardness of the M35 cobalt drill bits, reaching up to HRC 67, while preserving the structural integrity and crack resistance necessary for high-performance drilling in tough materials.
RS ESR Advanced Edge Enhancement
Rapid Solidification ESR
Refines the distribution of carbide and cobalt particles, strengthening the cutting edge against heat softening and wear. This improvement ensures that the drill bits perform effectively in deep or high-speed drilling applications.
Customizable Engineering Options
M35-Centric Configuration
While M2 and M42 options are available, this set emphasizes M35 for its superior wear resistance, making it ideal for drilling stainless steel and high-strength alloys.
Tailored Geometry & Coatings
We offer customizable flute lengths, helix angles, and advanced PVD coatings (like TiN, TiAlN, TiCN) to enhance durability, improve chip evacuation, and optimize performance for specific material and cutting conditions.
Key Design Adaptations for M35 Twist Drills
High-Efficiency Flute Design
Designed to facilitate fast chip removal and minimize heat buildup, this is essential for drilling dense, heat-sensitive materials like stainless steel. It ensures smooth, efficient drilling in demanding environments.
Optimized Cutting Angles
Tip and helix angles are precisely matched to maximize cutting force and minimize bit wear. This ensures faster drilling speeds while maintaining precision and reducing tool wear.
Application-Tailored Coatings
These drill bits are compatible with advanced surface coatings such as TiAlN (for heat resistance) and TiCN (for wear reduction). These coatings extend tool life and enhance performance in challenging, high-temperature environments.
Q1: What makes M35 cobalt twist drills different from standard high-speed steel (HSS) drills?
A: M35 cobalt twist drills contain 5% cobalt, which enhances heat resistance, wear resistance, and edge retention. This makes them particularly effective for drilling tough materials like stainless steel, hardened alloys, and cast iron, where standard HSS drills might wear out faster.
Q2: What materials are these M35 cobalt twist drills best suited for?
A: These drills are ideal for tough materials such as stainless steel, alloy steel, cast iron, carbon steel, and other difficult-to-machine metals. They are also effective for drilling aluminum, plastics, and wood in multi-material applications.
Q3: How do these drills handle high-speed or high-temperature drilling conditions?
A: M35 cobalt twist drills are engineered to withstand high-speed and high-temperature drilling conditions. The cobalt alloy helps maintain hardness and sharpness under heat and friction, ensuring reliable performance even in demanding applications.
Q4: Can I use these drills for both professional and DIY projects?
A: Yes, these M35 cobalt twist drills are designed to meet the needs of both professionals and DIY users. Whether you're working on industrial-scale projects or smaller, personal tasks, these drills provide consistent, high-quality results.
Q5: Are these drills available in different sizes?
A: Yes, we offer M35 cobalt twist drills in a wide range of sizes from 1mm to 13mm, with 1mm increments. Custom sizes and configurations are available upon request to meet your specific needs.
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