MACXCOIP M35 Cobalt Drill Bit Set (13-Piece, 1/16"

What people love (and don’t love)

What people love

High hardness bits that cut well and stay sharp with proper use and oil.
Effective for drilling hardened metal, stainless steel, cast iron, wood, and plastic.
Includes a plastic index storage case for easy organization and transport.
Good value considering quality and functionality compared to some brand-name bits.
Useful as left-hand bits for removing broken bolts and fasteners.

What people don’t love

Smaller bits can break easily if used too aggressively or without caution.
Some users report wobble and loss of precision, especially on hard metals.
Bits may dull quickly and overheat under heavy or high-speed use.
Plastic case lacks decimal markings and is difficult to open/close smoothly.
Size description in listing can be confusing to some buyers.

Reliable cobalt drill bits with good value, best used carefully on hard materials to avoid breakage.

Summary based on customer review evidence.

Check price on Amazon

Quick facts

Brand: ‎MACXCOIP
Price: USD 8.06
Rating: 4.40 (2220 reviews)

If you need a versatile set of small-to-mid drill sizes for everyday projects, the MACXCOIP 13-piece M35 cobalt drill bit set covers the most common diameters from 1/16″ up to 1/4″. It’s built around a 135° point and spiral (2-flute) twist design to help the bit self-center, reduce walking, and clear chips efficiently while drilling.

You can view the current price and full details on Amazon here.

This set is aimed at drilling into a wide range of materials—including stainless steel, cast iron, and other metals—while still being useful for plastics and wood. An included index storage case with size markings makes it easy to pick the right bit quickly and keep the set sorted between jobs.

13-piece size range from 1/16″ to 1/4″ for common drilling tasks
M35 cobalt HSS construction for durability across metal, plastic, and wood applications
135° point tip with twist/spiral flutes for faster starts and efficient chip removal
Straight shank design fits typical drill chucks
Includes an indexed storage case for easy organization and quick size selection

What’s included: 13 drill bits (1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″) and an index storage case.