| 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
Specifically designed to drill through tough materials such as stainless steel, alloy steel, cast iron, and other challenging metals, this M35 cobalt drill set offers outstanding adaptability for a variety of industrial and construction applications.
Precision Performance
Crafted with sharp cutting edges and balanced flute geometry, each bit ensures smooth and accurate drilling with minimal vibration, making them ideal for demanding and repetitive tasks that require high precision.
Enhanced Durability through Heat Treatment
Manufactured from M35 high-speed steel with a cobalt infusion, these drill bits undergo advanced heat treatment processes to improve hardness, wear resistance, and extend service life, even under high-temperature, high-load conditions.
Multi-Task Functionality
This versatile set is perfect for electrical installation, metalworking, construction, and general-purpose drilling. Its adaptability reduces the need for switching between tools, enhancing efficiency and boosting productivity across various tasks.
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 deliver fast, efficient penetration into tough materials like stainless steel and hardened alloys. The design minimizes resistance and reduces edge wear, ensuring high performance over time.
Anti-Slip Ground Tip
Each drill bit features a fully ground tip that ensures precise positioning and stable entry into workpieces. This minimizes bit walking, making it ideal for high-speed or punchdown drilling tasks that require consistent accuracy.
Optimized Chip Evacuation
The advanced spiral flute geometry promotes smooth chip removal, reducing friction-induced heat buildup and preventing material clogging. This ensures continuous drilling in high-demand environments without interruptions.
Corrosion-Resistant Finish
The polished finish improves the tool's appearance while enhancing rust resistance, particularly in high-humidity or industrial environments. This protective layer helps extend the drill bits' lifespan and maintain consistent performance.
Ergonomic, Balanced Design
Designed with a lightweight, balanced structure, these drill bits offer improved handling and greater control. This reduces operator fatigue during extended drilling sessions, making them ideal for a variety of professional 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 maintain their hardness and sharpness even under high-temperature and high-friction drilling conditions, ensuring long-lasting performance when working with tough metals.
Versatile Drilling Performance
These drill bits excel in drilling through stainless steel, hardened alloys, carbon steel, cast iron, and other difficult-to-machine materials. Their versatility makes them ideal for a wide range of industrial and workshop applications, from fabrication to heavy-duty metalworking.
Trusted Multi-Purpose Solution
Whether you're a professional or a DIY enthusiast, this set delivers consistent, clean, and efficient results in a variety of tasks, including metal fabrication, construction, maintenance, and installation. It's a reliable tool for both large-scale projects and smaller, detailed jobs.
Advanced Manufacturing Capabilities
CNC Precision Grinding
Ensures consistently sharp flute geometry and tip angles, enabling smooth, accurate drilling even under high-speed, repetitive conditions. This results in precise performance and reduced vibrations during use.
Vacuum Heat Treatment
Enhances the surface hardness and internal toughness of the M35 cobalt drill bits, ensuring extended tool life in demanding applications and maintaining cutting performance over time.
Ultra-Fine Polishing
Reduces friction and minimizes chip adhesion, improving heat dissipation and protecting the workpiece surfaces during high-load drilling tasks, ensuring cleaner and more efficient drilling.
Refined Metallurgy & Material Purity
EAF + LF + VD + RS ESR Technology
Utilizing advanced steelmaking methods, we produce high-toughness M35 cobalt steel with minimal internal impurities. This improves reliability under thermal and mechanical stress, resulting in longer-lasting tools.
Integrated Thermal Optimization
Quenching + Cryogenic Treatment + Tempering
Our heat treatment process optimizes hardness (up to HRC 67) while preserving the material's structural integrity and crack resistance, making the drill bits highly durable for challenging metal drilling tasks.
RS ESR Advanced Edge Enhancement
Rapid Solidification ESR
This process refines the carbide and cobalt particle distribution, strengthening the cutting edge to resist heat softening and wear, particularly during deep or high-speed drilling applications.
Customizable Engineering Options
M35-Centric Configuration
While M2 and M42 options are available, this drill set prioritizes M35 for its superior wear resistance, particularly when drilling through stainless steel and high-strength alloys.
Tailored Geometry & Coatings
We offer custom flute lengths, helix angles, and advanced PVD coatings (such as TiN, TiAlN, and TiCN) for improved durability, better chip evacuation, or tailored performance for specific materials.
Key Design Adaptations for M35 Twist Drills
High-Efficiency Flute Design
Designed for fast chip removal and minimal heat buildup, making it ideal for drilling dense, heat-sensitive materials like stainless steel and ensuring smooth, continuous operation.
Optimized Cutting Angles
The tip and helix angles are precisely designed to maximize cutting force and reduce bit wear, enhancing accuracy and drilling speed while extending tool life.
Application-Tailored Coatings
Our M35 twist drills are compatible with advanced surface coatings, such as TiAlN (for heat resistance) and TiCN (for wear reduction), ensuring extended tool life in tough, high-demand environments.
Q1: What is the advantage of using M35 cobalt over regular high-speed steel (HSS)?
A: M35 cobalt alloy contains 5% cobalt, which provides superior heat resistance, wear resistance, and edge retention. This makes it ideal for drilling tough metals such as stainless steel, hardened alloys, and other high-strength materials, especially under high-speed or high-pressure conditions.
Q2: What materials can these M35 cobalt twist drills handle?
A: These drill bits are designed for tough materials including:
Stainless steel
Alloy steel
Cast iron
Carbon steel
They also work well with aluminum, plastics, and wood in multi-material job environments.
Q3: Can I use these drill bits for high-speed drilling?
A: Yes, M35 cobalt drill bits are ideal for high-speed drilling applications. The combination of cobalt and high-speed steel allows these bits to maintain sharpness and perform reliably even at high rotational speeds.
Q4: What sizes are available for these drill bits?
A: Our M35 cobalt drill bits are available in sizes ranging from 1mm to 13mm, with increments of 1mm. We also offer custom sizes and can provide fractional, metric, or letter sizes upon request.
Q5: Can I customize the drill bits for specific tasks?
A: Yes, we offer customization options including:
Custom flute lengths
Specific helix angles
PVD coatings (like TiN, TiAlN, TiCN) for enhanced durability and performance in specific materials
Please provide your requirements, and we can tailor the drill bits to suit your needs.
){kind=link}