Wet drilling only. These bits are a very popular type and size used by Jewelry Designers for drilling a nice clean hole in Beach Sea Glass for making Earrings, Pendents and Bracelets. They have multiple layers of industrial diamond particles bonded to the tips which provides for longer drill life and are excellent for drilling completely through any thickness of Beach Sea Glass up to 1/2" thick. These Bits can be used in any high speed Dremel-Type Rotary Tool or Small Precision Drill Press with a 3/32" collet or adjustable collet.Set of 20 pcs. 1mm/2mm/3mm Diamond Drill Bits - 1/8 shank .Used by Jewelry Designers for drilling clean holes Fits drills ,Bracelets and flex shafts . Drills Beach Sea Glass, Sea Shells, Rocks, Marbles,etc.
Packaging: A set of 60, including 3 different sizes, 1mm (1/25'') × 20 pieces, 2mm (1/16'') × 20 pieces, and 3mm (1/8'') × 20 pieces. All have a standard 1/8" shank to meet your various creative needs.
High-quality materials: Made of high-quality diamond particles, featuring high hardness, wear resistance, and impact resistance.
How to use: Step 1 - Start drilling at a certain angle; Step 2 - Hold the drill bit and move it carefully so that it can just ream both sides of the hole (remember not to use excessive force); Step 3 - Cool with water.
Fits drills, flThese diamond-coated drills are the most important tools in jewelry making. They are great for drilling holes in materials such as sea glass, shells, gemstones, etc., and are ideal for glass drilling, jewelry making, and lapis lazuli projects.ex shafts and dremels.
Exceptional Performance: Diamond drill bits suitable for hand drills, soft - shank drills, and grinding tools. Whether you are engaged in jewelry making, lapis lazuli projects, or glass handicraft production, these diamond drill bits can deliver exceptional performance.