About the product
?Very popular drilling burr tools used by Jewelry Designers for drilling holes in Beach Sea Glasses, Stones, Rocks for making Necklaces, Earrings, Pendants and Bracelets. SPTA tools have multiple layers of fine industrial diamond particles bonded to the tips which provides for longer drill life. SPTA tools are excellent for drilling through materials up to 1/2" thick.
?Quantity:90pcs Diamond Burrs
?1/8 inches(3.175mm) Shank
?The total length of 1.77 inches
?Plastic box packaging, easy to carry and store
?Can drill Beach Sea Glass, Sea Shells, Rocks, Marbles, etc.
ATTENTION: DO NOT RUN DRY
?Wet drilling only. These are delicate, very small diameter diamond drill bits. The diamond coating is very thin. Can not take any abuse.
?Start the hole at an angle. While holding the drill in hand, carefully move the drill around just enough to ream out the sides of the hole. Let the tool do the work.
?90Pcs/3 Box Diamond Grinding Burrs
?90pcs Diamond Buerrs - Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing,Work on glass, metal , stone, ceramic, wood, plastic
?Sold Storage Box - PC plastic box is sturdy, falling resistant and moistureproof, easy for carrying and hanging; All parts were in order and set was complete, well organized to prevent scattered and confused
?Different Sharp Bits Accessories - 30 Style different sharp router bit can reach More Carving ,Great for all types of detail work.
?Wide Usage - 1/8"diameter shanks, compatible with most rotary tools; Ideal for home improvement, craft and whenever you need to polish, grind, drill, cut, engrave, and more,used with most rotary tools including DREMEL, Craftsman, Chicago and more,Able to engrave on a wide range of materials including: wood, ABS, acrylic, PVC, plastics, etc. Well-suited for detailed work, such as building and sanding dollhouse furniture, model trains, or miniature buildings,Highly recommended for jewe
?What You Will Get - SPTA 90-Piece rotary tool carving,engraving bits kit and our best service