Specification Brand : JINGLING BulletPoint1 : 1/8 inch Diamond tipped drill bit is ideal tools for dremel accessories and jewelry drill kit BulletPoint2 : Used for drilling holes in rocks,sea glass,shells,ceramic,etc. For making bead,earrings,pendents BulletPoint3 : Premium type diamond coated grit 120, more durable than ordinary diamond drill bit set BulletPoint4 : Jewelry drill bits with 1/8 inch shank for dremel, suitable for various carving machine,lapidary equipment,flex shafts with 1/8" chuck BulletPoint5 : Head Diameter:3mm(1/8"); Heads Shapes:Cylindrical; Drill Depth:8mm(5/16"); Total Length:45mm(1-3/4") Color : Silver FinishType : Nickel IncludedComponents : grinding bits ItemName : JINGLING 3mm Diamond Drill Bits for Stone Ceramic Glass 1/8" Shank Lapidary Supplies Kit Jewelry Making Tool for Dremel Pack of 30Pcs ItemPackageDimensions_Height : 0.55 inches ItemPackageDimensions_Length : 5.63 inches ItemPackageDimensions_Width : 2.84 inches ItemPackageQuantity : 1 ItemTypeKeyword : wood-drill-bit-sets Manufacturer : JINGLING Material1 : Diamond Material2 : High Carbon Steel NumberOfItems : 30 PartNumber : JPMZ-YZ-3mm-30Pcs ProductDescription : JINGLING 30Pcs 3mm Diamond Drill Bits with 1/8" Shank for Dremel Jewelry Making Lapidary Supplies Tools for Gemstone Sea Glass Shells Rocks Specifications and shapes Product Name: Diamond Drill Bits For Stone, Tile Drill Bits Ceramic Diamond, Drill for Jewelry Making The diamond coated hole saw suitable for use in drill hole on jewelry, gemstone, marble or granite Mainly used for carving glass, jade, hard objects, mould grinding, grinding inner hole Product Specifications Heads Shapes: Cylindrical Heads Diameter: 3mm (1/8"), Solid not Hollow Shank Diameter: 3mm (close to 1/8"); Suitable for dremel, various carving machine, flex shafts with 1/8" chuck Drill Depth: 8mm(5/16") Total Length: 45mm(1-3/4") Material: High Carbon Steel, Diamond Grit: 120 (medium); Premium type diamond coated grit 120, more durable than ordinary diamond drill bit set Quantity: 30Pcs Exquisite production craftsmanship, excellent quality The diamond tipped drill bit is made of carbon steel and GR-2 quanlity diamond powder, making these rock carving tools particularly sturdy, sharp, durable and long lasting as well. Suitable for drilling holes in rocks, sea glass,shells, ceramic, jewelry, etc. Use with water as a lubricant is better Keep the hole you're drilling constantly bathed in water or feed water to the drilling spot. Light pressure and slow feed rate are beneficial for chip removal, allowing the head of the glass drill bits to continuously grind the material being processed. Application: Grinding, Drilling Recommended speed: 24000 RPM 2mm diamond tipped drill bit is ideal tools for dremel accessories and jewelry drill kit ProductSiteLaunchDate : 2024-10-23T08:27:41.699Z Size : 3mm (close to 1/8") SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Stone UnspscCode : 27112800