How to Use a #57 Drill Bit for Precision Hobby Drilling

By Excel Blades: Precision Cutting Tools & Craft Knives | Published: 2026-10-26

Category: How-to Guides

Learn how to use a #57 drill bit for clean, accurate holes in wood, resin, and jewelry. Step-by-step tips for hobbyists and pros.

Quick Answer

For precision hobby drilling, use a #57 drill bit at moderate speed with light, steady pressure, and always secure your workpiece to avoid breakage.

Why #57 is a go-to size for hobby work

The #57 drill bit measures 0.0430 inches (1.092 mm), making it ideal for small, precise holes in materials like wood, resin, and jewelry. Its size strikes a balance between being thin enough for detailed work yet sturdy enough for repeated use.

Because the bit is small, it requires a different technique than larger bits. Rushing or using too much force can cause the bit to wander or break, so patience and proper setup are key.

What to avoid when drilling small holes

One common mistake is drilling at high speed without lubrication on harder materials like resin or metal. This can overheat the bit and dull it quickly. Another is failing to start with a pilot indentation, which causes the bit to slip across the surface.

Also, don't force the drill. Let the bit do the cutting. If it feels stuck, back off and clear debris before continuing.

Step-by-Step Guide

Secure your workpiece: Clamp or hold your material firmly on a stable surface to prevent movement. Use a scrap piece underneath to avoid drilling into your workbench. A moving workpiece is the top cause of broken bits and uneven holes.
Mark the drilling spot: Use a pencil or a center punch to create a small indentation at the exact location. This gives the #57 bit a starting point and prevents it from sliding. Always test on a scrap piece first if the material is valuable.
Insert the bit securely: Make sure the #57 bit is fully seated in your drill chuck or pin vise and tightened. A loose bit will wobble and drill an oversized or angled hole. Check that the bit is straight before starting the drill.
Drill at moderate speed: Set your drill to a low or medium speed. For wood and resin, a moderate speed works well; for harder materials like metal or stone, use a slower speed and light pressure. If you see smoke or smell burning, stop and let the bit cool down.
Apply light, steady pressure: Push gently and let the bit cut. Do not force it. Lift occasionally to clear debris and keep the hole clean. If the bit stops cutting, it may be dull—replace it with a fresh one from your set.
Finish and clean up: Once the hole is through, remove the drill while it's still spinning. Use a small brush or compressed air to clean out any debris from the hole and the bit. Store your #57 bits in a case or block to keep them organized and protected.

Product Facts

Drills #57: Excel Blades Drill Bits #57 come in a 12-piece pack, each measuring 0.0430 inches (1.092 mm). Having a set ensures you have a fresh bit ready when one dulls, which is essential for maintaining precision in repeated hobby projects.
Drills #57