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Cobalt High Speed Steel Twist Drill Bit M35 Tool Set for Metal and Stainless Steel Drilling Accessories
Cobalt High Speed Steel Twist Drill Bit M35 Tool Set for Metal and Stainless Steel Drilling Accessories
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SPECIFICATIONS
Choice: Yes
DIY Supplies: Metalworking
High-concerned Chemical: None
Material: High Speed Steel
Type: Twist Drill Bit
Use: Metal Drilling
Is_customized: Yes
Semi_Choice: Yes
Materials that can be processed by carbide tungsten steel drill bits
Features:
*HSS-Co Drill Bit Set for High Tensile Steels such as Stainless Steel
*Alloyed with 3% Cobalt to improve heat resistance which will perform and outlast normal HSS bits particularly if your work involves drilling tough metals
*Handheld and Stationary Use (In Drill Press)
*135 Degree Split Point Tip
*15 pieces drill bits with different size in one super value set
*100% Brand New&High Quality
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FAQs:
1. What material are these drill bits made from?
They are made from M35 high-speed steel (HSS) with 5% cobalt content, offering exceptional hardness and heat resistance.
2. What are these drill bits best used for?
They are specifically designed for drilling through hard metals, including stainless steel, cast iron, aluminum, and alloy steel.
3. What sizes are included in the set?
The set typically includes multiple sizes (commonly 1mm–10mm), providing options for different drilling needs.
4. What makes M35 cobalt steel special?
The cobalt alloy increases durability and maintains sharpness even at high drilling temperatures, reducing wear and breakage.
5. Are these bits suitable for stainless steel?
Yes, they are ideal for stainless steel, offering faster cutting and less friction than standard HSS bits.
6. Can they be used with a regular drill machine?
Yes, they are compatible with standard electric drills, cordless drills, and drill presses.
7. Do they work on wood or plastic too?
Yes, while optimized for metal, they can also drill wood, plastic, and softer materials effectively.
8. Are the bits coated for extra protection?
Many M35 bits feature a gold oxide or titanium coating for improved lubrication and corrosion resistance.
9. Do they need lubrication when drilling?
Yes, using cutting oil or coolant helps extend tool life and ensure smoother drilling performance.
10. Is this a professional-grade set?
Yes, it’s suitable for both professionals and DIY enthusiasts who need precision and strength for metalworking projects.
