| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | GB/T |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Multi-Material Versatility
Engineered to drill through tough materials such as stainless steel, alloy steel, cast iron, and more, this M35 cobalt drill set offers exceptional versatility. It delivers reliable performance across a wide range of materials, making it ideal for various industrial and construction tasks.
Precision Performance
Crafted with sharp cutting edges and balanced flute geometry, these drill bits provide smooth, accurate drilling with minimal vibration. This makes them perfect for high-precision tasks, including repetitive drilling, where accuracy and consistency are essential.
Enhanced Durability through Heat Treatment
Made from M35 high-speed steel infused with cobalt, these drill bits undergo advanced heat treatment to enhance hardness and wear resistance. This process improves their durability, allowing them to perform effectively in high-temperature environments, extending their service life.
Multi-Task Functionality
Versatile enough for electrical installation, metalworking, construction, and general-purpose drilling, this set minimizes the need for frequent tool changes. Its adaptability enhances both efficiency and productivity, especially in demanding work environments.
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 with cobalt alloy, these drill bits provide fast and efficient penetration into tough materials like stainless steel and hardened alloys. The design minimizes resistance and edge wear, ensuring reliable and rapid drilling performance in challenging materials.
Anti-Slip Ground Tip
Each drill bit features a fully ground tip for precise positioning and stable entry into workpieces. The anti-slip design reduces bit walking, making these bits ideal for high-speed or punchdown drilling tasks that require consistent accuracy and control.
Optimized Chip Evacuation
With advanced spiral flute geometry, these drill bits ensure smooth chip removal, which reduces friction and heat buildup. This feature enables continuous, efficient drilling without material clogging, even during prolonged use, maintaining high performance.
Corrosion-Resistant Finish
The polished surface improves the appearance of the drill bits while providing excellent rust resistance. This feature is especially beneficial in high-humidity or industrial environments, extending the lifespan of the tools and ensuring consistent performance over time.
Ergonomic, Balanced Design
Designed for comfort and efficiency, these drill bits are lightweight with an evenly distributed structure that reduces operator fatigue. This ergonomic design enhances control and precision during extended drilling sessions, making them ideal for long or repetitive tasks.
Available Sizes:
| Specification | Cutting Diameter | Overall length | Blade length |
| 3 | 33mm | 61mm | 3mm |
Why Choose Our Product?
Superior Wear Resistance & Heat Tolerance
Constructed from M35 cobalt high-speed steel, these drill bits are engineered to withstand high temperatures and friction without losing sharpness. Their superior wear resistance ensures long-lasting performance in demanding drilling conditions, making them ideal for extreme heat applications.
Versatile Drilling Performance
These drill bits are exceptional at drilling through tough materials like stainless steel, hardened alloys, carbon steel, and cast iron. Their versatility makes them a must-have tool for a variety of industrial and workshop tasks, providing reliable results even with hard-to-machine materials.
Trusted Multi-Purpose Solution
Designed for both professional and DIY users, this M35 twist drill set offers consistent, efficient performance. Whether for metal fabrication, construction, maintenance, or installation, these drill bits guarantee clean, precise drilling, making them the ideal choice for diverse applications.
Advanced Manufacturing Capabilities
CNC Precision Grinding
Each drill bit is crafted with CNC precision grinding, ensuring consistently sharp flute geometry and optimized tip angles. This process guarantees smooth, accurate drilling, even during high-speed, repetitive operations, reducing vibration and enhancing performance.
Vacuum Heat Treatment
Our M35 cobalt drill bits undergo vacuum heat treatment to enhance both surface hardness and internal toughness. This treatment improves their durability, ensuring long-lasting performance even in high-heat, high-friction conditions often encountered in demanding applications.
Ultra-Fine Polishing
The fine polishing process reduces friction, prevents chip adhesion, and improves heat dissipation. This minimizes the risk of overheating and protects workpiece surfaces during high-load drilling, promoting both tool longevity and optimal drilling results.
Refined Metallurgy & Material Purity
EAF + LF + VD + RS ESR Technology
We utilize advanced production techniques like Electric Arc Furnace (EAF), Ladle Furnace (LF), Vacuum Degassing (VD), and Rapid Solidification Electro Slag Remelting (RS ESR) to produce high-toughness M35 cobalt steel. This process reduces internal impurities and brittleness, ensuring improved tool reliability under thermal and mechanical stress.
Integrated Thermal Optimization
Quenching + Cryogenic Treatment + Tempering
Our heat treatment process optimizes the hardness of M35 cobalt steel up to HRC 67 while preserving the tool's structural integrity and crack resistance. This advanced thermal treatment is essential for maintaining performance during tough metal drilling operations.
RS ESR Advanced Edge Enhancement
Rapid Solidification ESR
This technology refines the distribution of carbide and cobalt particles, enhancing the cutting edge's ability to resist heat softening and wear during deep or high-speed drilling tasks. This improves the bit's longevity and efficiency, even during the most demanding drilling operations.
Customizable Engineering Options
M35-Centric Configuration
While M2 and M42 options are available, this set is designed around M35 for superior wear resistance, especially for tough materials like stainless steel and high-strength alloys. M35's enhanced toughness makes it the optimal choice for challenging applications.
Tailored Geometry & Coatings
Customization options are available, including specific flute lengths, helix angles, and advanced PVD coatings (such as TiN, TiAlN, and TiCN). These adjustments enhance durability, chip evacuation, and material-specific performance, ensuring optimal results for diverse applications.
Key Design Adaptations for M35 Twist Drills
High-Efficiency Flute Design
The flute geometry is optimized for fast chip removal and minimal heat buildup, which is crucial when drilling dense or heat-sensitive materials like stainless steel, ensuring smooth, uninterrupted drilling.
Optimized Cutting Angles
The tip and helix angles are precisely engineered to maximize cutting force while minimizing bit wear, improving efficiency a,nd drilling accuracy even in tough materials.
Application-Tailored Coatings
These drills are compatible with advanced surface coatings like TiAlN (for heat resistance) and TiCN (for wear reduction). These coatings ensure extended tool life, even in the harshest, high-stress drilling environments.
Q1: What makes M35 cobalt twist drills special?
M35 cobalt twist drills are made from high-speed steel with a cobalt alloy, providing superior strength, heat resistance, and durability. These drill bits are specifically designed to tackle tough materials like stainless steel, hardened alloys, and other challenging metals, making them ideal for demanding industrial applications.
Q2: What materials can I use these drill bits on?
These M35 cobalt drill bits are perfect for drilling through a wide range of materials, including:
Stainless steel
Alloy steel
Q3: Can I customize the drill bits?
Yes, we offer customization options for the M35 cobalt drill bits. You can choose specific flute lengths, helix angles, and apply coatings like TiN, TiAlN, or TiCN to enhance durability, heat resistance, and performance for your specific drilling needs.
Cast iron
Carbon steel
They are also effective on other hard-to-machine materials, ensuring reliable performance in various industrial and workshop tasks.
){kind=link}