What people love (and don’t love)
What people love
- Sharp and precise, ideal for metric measurements used in 3D printing projects
- Durable and tough, capable of drilling through steel, metal, plastic, and wood
- Good value for the money with a reliable plastic case that locks securely
- Hard to find metric drill bits available in this set
- Consistently sharp and effective for various applications
What people don’t love
- Not suitable for heavy use; some bits may break on tougher tasks
- One user experienced breakage of a thinner drill bit on first use
- Poor performance when trying to drill out stripped screws or stuck fasteners
- “Automatic positioning” feature is unclear and not appreciated
A reliable and sharp metric drill bit set offering great value, best suited for light to moderate use.
Summary based on customer review evidence.
Quick facts
- Brand: COPOUIXR
- Price: USD 11.48
- Rating: 4.60 (293 reviews)
If you drill a mix of metals and want a compact metric range, the COPOUIXR 13-piece cobalt drill bits set covers the common small-to-mid sizes from 1.5mm to 6.5mm. It’s built around cobalt high-speed steel with a 135° point and spiral, 2-flute design—helpful when you’re trying to get a clean start and keep the bit tracking where you want it on metal surfaces.
You can view the current price and full details on Amazon here.
This set is aimed at jobs like stainless steel, steel, cast iron, copper, aluminum, and even plastics/wood for general shop and DIY use. The bits come in a plastic storage box with size identification, making it easier to grab the right diameter and keep everything organized in your toolbox.
- 13-piece metric set: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm
- 5% cobalt content to improve hardness and high-temperature resistance versus conventional drill bits
- 135° point with spiral, 2-flute design for a sharper start and controlled cutting direction
- Straight shank, uncoated finish
- Plastic storage box with labeled sizes for easier selection and storage
Note: The manufacturer indicates these bits are not intended for glass or ceramics. For very small sizes, pay attention to speed and heat while drilling.











