Specification Brand : JINGLING BulletPoint1 : Suitable for use in grind the edge of glass, stone, tile, shells, hard alloy or jewelry BulletPoint2 : Diamond grinding head is ideal tools for grinding mold, hard alloy, glass apparatus, jade carvings BulletPoint3 : Heads Shape: Tapered Point; Head Diameter: 1mm; Head Length: 6mm (1/4") BulletPoint4 : Shank Diameter:2.35mm(3/32"); Suitable for electric nail drill, carving machine with a 3/32" collet BulletPoint5 : Product Name: Diamond Carving Burrs, Conical Grinding Bit, Cone Grinding Bit Color : Silver CompatibleMaterial1 : Aluminum CompatibleMaterial2 : Alloy Steel ExternallyAssignedProductIdentifier1 : 0708747505566 ExternallyAssignedProductIdentifier2 : 708747505566 ExternallyAssignedProductIdentifier3 : 00097758334464 ItemName : JINGLING Diamond Grinding Bits 1mm Head Conical Pointed Nose Length 6mm Lapidary Tools Pack of 20Pcs ItemPackageDimensions_Height : 1.31 inches ItemPackageDimensions_Length : 1.5 inches ItemPackageDimensions_Width : 1.31 inches ItemPackageQuantity : 20 ItemShape : W170 ItemTypeKeyword : abrasive-grinding-mounted-points Manufacturer : JINGLING Material : Metal MaximumRotationalSpeed : 52500 rpm ModelNumber : 33446 NumberOfItems : 10 PartNumber : 708747505566 ProductDescription : 20Pcs 1mm Lapidary Diamond Mounted Tapered Point Grinding Needle bits Shank 2.35mm Code 10D6 Product Specification: Product Name: Diamond Carving Burrs, Conical Grinding Bit, Cone Grinding Bit Heads Shape: Tapered Point Head diameter: 1mm Head Length: 6mm (1/4" inch) Total length: 42mm (1 21/32" inch) Shank diameter : 2.35mm (3/32" inch) Suitable for electric nail drill, carving machine, machinery supporting assembly with a 3/32" collet Quantity: 20Pcs Usage: used for mould grinding, grinding inner hole, suitable for electric grinder, carving machine, electric machinery supporting assembly, mainly used for carving glass, jade, fixed abrasive and hard objects This product adopts diamond micro powder, profession manufacturing Electroplating diamond assorted grinding head grinding needle bar fine polishing grinding, diamond grinding head is mainly used for electric and pneumatic tools Diamond grinding head is processes each kind of mold, hard alloy, glass apparatus, ideal correction tools such as jade carvings Use with water as a lubricant Note: carving must use cold water to cool the workpiece and the grinding head polishing, moment also can't do without water Just a friendly reminder: The Shank diameter of grinding bit is 2.35mm (close to 3/32") There are two different collet sizes for Dremel: 3mm (1/8") or Adjustable Chuck If your chuck of Dremel is Adjustable Chuck, then the grinding bit can be installed and used directly If your chuck of Dremel is 3mm (1/8"), maybe you need add the Adjustable Chuck (Multi Keyless Universal Quick Change Chuck for Dremel) We Can List Any Size (Head Diameter from 1mm - 3mm) & Amount Of This Product ProductSiteLaunchDate : 2022-03-02T06:07:59.869Z Size : Head Diameter 1mm; Length 6mm StreetDate : 2017-10-21T00:00:01Z Style : W170 UnitCount : 10