1/8″ Shank Spiral Bits

Our 1/8″ shank spiral bits are built for precision and versatility, offering a wide range of tip sizes from as fine as .023″ (for guitar building) all the way up to a full 1/8″ cut diameter. Whether you’re engraving delicate lettering, carving detailed inlays, or making clean profile cuts in thin material, these small tools punch way above their size. You’ll find a mix of flute styles in this lineup—up-cut for efficient chip removal, down-cut for clean surface edges, and even compression flutes when you need that sweet spot between top and bottom tear-out control.

These bits are most commonly used by hobbyists, makers, and small shop CNC users—especially those running desktop machines like the Shapeoko, X-Carve, or Nomad. They’re ideal for working with wood, plastics, composites, and even non-ferrous metals in tight spaces or on projects that call for fine detail work. If you’re cutting signs, intricate parts, or engraving with a V-bit or tapered spiral, the 1/8″ shank format gives you control without sacrificing cutting performance. It’s the go-to choice for folks who need precision and flexibility on a compact CNC setup.