30Pcs 0.4-2.5mm Micro Lapidary Diamond Drill Bits Carving Burrs Tools for Stone

Description: JINGLING 30Pcs Diamond Coated Hole Saw Solid Drill Bits Cylindrical Head Grinding Bit Lapidary Carving Tools for Gemstone Code 4A-30A-30Pcs Description: Product Name: Lapidary Diamond Drill Bits, Diamond Drill Bits for Stone Jewelry Tip Shape: Cylindrical Head Tip Head Diameter : 0.4mm/ 0.5mm/ 0.6mm/ 0.7mm/ 0.8mm/ 1mm/ 1.2mm/ 1.5mm/ 1.8mm/2mm/ 2.5mm/ 3mm (Please select the Head Diameter which you need) Total length : 42mm ( 1-21/32") Drilling depth: 4-10mm Shank diameter: 2.35mm ( 3/32") Suitable for electric nail drill, carving machine, machinery supporting assembly with a 3/32" collet Material: Steel, Diamond Quantity: 30Pcs The speed of 5000-50000 r/min Can be installed on the electronic grinder, hanging mill and hand electric drill (not included here). Suitable for use in drill hole on Jewelry, Gems, glass, marble, tile or granite. Used for drill hole, sculpturing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials. 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 Never use drills while machine is in hammer action Drill depth is 4-10 mm depth If you attempt to drill through materials that are thicker than 6mm, we suggest that double sided drill through. Drill the stone on one side first step, and then turn over stone to another side to finish drilling through. Here are suggestions for using a 2.5-3mm solid drill bit. We suggest that you can use two steps to complete, we don't recommend using a 2.5-3mm solid drill bit directly for drilling operations. Step 1. Firstly, use a 1-1.5mm small drill bit to drill a 1mm small hole on the material being processed. Step 2. Use a 3mm large drill bit to continue drilling (enlarging the aperture) at the previously drilled small hole position and drill a smooth 3mm inner hole. 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 Universal 3-jaw chuck If your chuck of Dremel(models 4300-8050) has an Universal 3-jaw chuck, then the grinding bit can be installed directly However, it is NOT suitable for dremel with 3mm 1/8" chuck(such as:models 3000,4000) If your chuck of Dremel is 3mm (1/8"), maybe you need add the Universal 3-jaw chuck for Dremel Please let us know if you are looking for other accessories or hardware.

Price: 14.99 USD

Location: Hebron, Kentucky

End Time: 2024-08-02T13:48:03.000Z

Shipping Cost: 0 USD