Bead making and drilling
A bead is a drilled piece for stringing. Stone ones are cut into spheres, discs, tubes, rondelles and free forms.
From block to bead #
- The stone is cut into pieces or cubes.
- The shape is rounded in a drum or on a wheel.
- It is drilled with a diamond bit, with water to cool.
- It is polished in a drum with abrasives.
Shapes #
Spheres, rondelles, tubes, ovals, faceted and briolettes (faceted teardrop-shaped).
Quality #
A good bead is round, with a centered, clean hole, and of uniform size among those on a strand.
Pearls and seeds #
Pearls are drilled with a fine bit; seeds and wood are drilled dry.
Step by step #
- Cut. Cut the stone into cubes.
- Round. In a drum or on a wheel.
- Drill. With a diamond bit and water.
- Final shape. Spheres, rondelles or tubes.
- Polish. In a drum with fine abrasives.
- Sort. Group by size and quality.
Tools and materials #
- Diamond saw
- Drum or wheel
- Diamond drill bits
- Cooling water
Common mistakes #
- Drilling dry: it overheats and splits.
- Off-center holes.
- Mixing sizes on a strand.
- Not washing away residues.
See also #
This entry was drafted with the help of AI and is pending review by the author.