Precisely drill small openings and cavities with this 1-mm KOMET conical diamond drill bit.
Thanks to its conical shape, this diamond drill bit allows you to gradually enlarge an opening rather than simply creating a cylindrical hole. Its 1-mm diameter is well-suited for fine touch-ups, slightly enlarging a drilled hole, flaring the hole’s entrance, or creating small details on hard materials. This type of bit is particularly useful for gemstones, glass, or ceramics.
Note: When using a diamond drill bit to drill a stone, the stone must be kept submerged in water at all times to prevent it from overheating during drilling. Be careful when drilling: only the diamond drill bit should come into contact with the water. The Dremel tool must not touch the water.
How can it be used in a jewelry workshop?
Use it after an initial drilling to gradually adjust the opening to fit your setting, slightly smooth the entry point, or create a small tapered recess before inserting a post or decorative element. When working on a gemstone, always proceed gradually and cool the area with water, following the steps detailed in our guide on how to drill a gemstone. To operate this bit with precision, you can use a multi-tool equipped with accessories.
This shape is particularly useful when the final diameter needs to be finely adjusted. Rather than immediately using a larger drill bit, gradually advance the cone until you achieve the desired opening. This will give you greater control over your piece and the amount of material removed.
Details:
Length: 44.5 mm
Head diameter: 1 mm
Shaft diameter: 2.3 mm
Sold per 1 piece
