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GYROS 12 PCS #54 Micro Drill Bit Set – Small Drill Bits for Jewelry, Plastic, Resin, & Soft Metal – Carbon Steel Wire Gauge Mini Twist Drill Bit Set for Pin Vise Hand Drill & Rotary Tool #54 (.0550”/1.397MM) 12

Quick facts

  • Brand: ‎Gyros
  • Price: USD 9.97
  • Rating: 4.60 (1218 reviews)

If you’re drilling tiny, consistent holes for jewelry work, model making, or DIY crafts, the GYROS #54 Micro Drill Bit Set is a practical pick. You get 12 matching micro twist drills in size #54 (.0550” / 1.397 mm), giving you ready spares for breakage-prone small-bit jobs and repeatable results across multiple projects.

These bits are made from high carbon steel and feature a straight shank design that works with many common holding systems. Gyros notes they can be used with both hand and motorized tools; for power rotary tools, they recommend using the Gyros Mini Adaptor Chuck 45-01803, and for hand drilling, pairing with the Gyros Swivel Head Pin Vise 97-01818 (sold separately).

For organization, the set ships in a clear vial with a tight-fit cover to help keep the bits protected and easy to find. It’s a simple detail that helps when you’re working with micro sizes on a busy bench.

  • 12-piece set of #54 micro twist drills (.0550” / 1.397 mm)
  • High carbon steel construction for hardness and wear resistance
  • Straight shank design for compatibility with a wide range of tool holding systems
  • Suitable for precision drilling in materials like wood, plastic, PVC, beads, jewelry metals (including gold and silver), and soft metals
  • Includes clear vial storage case with tight-fitting protective cover

Tip: micro drill bits are delicate—use light pressure, keep the work supported, and consider a pin vise for maximum control on small parts.