4.0mm Bright HSS Jobber Drill Bit – 10 Pack | Precision Drilling for Professionals & DIY Enthusiasts

Why Choose Our HSS Drill Bits?

Engineered for precision and durability, our 4.0mm Bright HSS Jobber Drill Bits deliver exceptional performance for both professional workshops and home DIY projects. Whether you’re working with mild steel, cast iron, or non-ferrous metals, these drill bits ensure clean, accurate holes every time¡ªno wandering, no hassle.

Core Specifications

Key Benefits

• Self-Centering Split Point: 118¡ã crankshaft point eliminates the need for pilot holes, reducing end thrust and preventing bit walking.
• M2-HSS Durability: High-speed steel construction ensures long tool life and resistance to wear, even in tough materials.
• Efficient Chip Control: Produces wide, thin chips for smooth drilling and reduced friction.
• Versatile Compatibility: Works with miniature power drills, pin vises, and mini hand drill chucks.
• Bright Finish: Ideal for non-ferrous applications and general-purpose use where precision matters.

Perfect For

From professional metalworking to hobbyist model making, these drill bits excel in:

• Mild steel and cast iron drilling
• Non-ferrous metal projects (aluminum, copper, brass)
• DIY home repairs and crafts
• Model building and precision engineering

Quality You Can Trust

As a leading manufacturer of welding and cutting equipment, we adhere to strict quality standards. Each drill bit is precision-ground to DIN338 specifications, ensuring consistent performance and reliability. Our M2-HSS material is heat-treated for optimal hardness, making these bits a long-lasting addition to your tool kit.

FAQ

Q: What materials can these drill bits handle?
A: They are ideal for mild steel, cast iron, and non-ferrous metals like aluminum and copper.

Q: Do I need a pilot hole?
A: No¡ªthe 118¡ã split point is self-centering, so pilot holes are rarely required.

Q: Are these compatible with hand drills?
A: Yes, they work with pin vises, mini hand drill chucks, and miniature power drills.

Ready to Upgrade Your Drilling Game?

Whether you¡¯re a professional tradesperson or a DIY enthusiast, our 4.0mm HSS Drill Bits deliver the precision and reliability you need. Contact us today for bulk pricing or technical inquiries¡ªlet¡¯s discuss how we can support your projects!