What people love (and don’t love)
What people love
- High quality, sharp bits that work well on metals including stainless steel, aluminum, and mild steel with proper technique.
- Precisely made metric sizes suitable for DIY and mechanical projects.
- Durable with correct usage like slow drill speed and use of tapping or cutting fluids.
- Round shank design reduces wobble and allows for precise drilling with hand drills.
- Good value for the price and effective performance for both plastics and metals.
What people don’t love
- Some bits may dull or break quickly, especially when used on mild steel without proper care.
- Packaging quality is poor; bits tend to scatter as the container is not very sturdy.
Sharp and precise cobalt drill bits that perform well when handled properly but beware of packaging and potential breakage on tougher metals.
Summary based on customer review evidence.
Quick facts
- Brand: LingGan
- Price: USD 8.99
- Rating: 4.60 (1182 reviews)
The LingGan Metric Cobalt Drill Bits Set gives you a practical range of small-to-mid metric sizes for metalworking and general shop tasks. Made from M35 cobalt high-speed steel (5% cobalt per the manufacturer), these bits are built for wear resistance and heat resistance when drilling into demanding materials.
You can view the current price and full details on Amazon here.
With 13 pieces spanning 1.5mm to 6.5mm, it’s a flexible pick for maintenance, fabrication, hobby work, and toolboxes where you want multiple sizes on hand without buying individual bits. The straight shank design supports use in mechanical or hand drills, and the set is intended for common metals including stainless steel, cast iron, copper, and aluminum.
- M35 cobalt HSS (HSS-CO) material for wear resistance in high-intensity use
- Designed for multi-metal drilling: stainless steel, cast iron, copper, and aluminum
- 13 metric sizes included (1.5mm–6.5mm) for versatile project coverage
- Heat-resistant performance characteristics for tougher drilling conditions
- Straight shank, 2-flute design for compatibility with many drills
Note: This is a metric set (not fractional/inch sizing). If your projects call for SAE sizes, you may want an additional fractional set alongside it.
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