30PCS Sanding Bits for Dremel Rotary Tool, Grinding Stone Sanding Drill Bits with 1/8" Shank, Aluminium Oxide Tough Enough to Metal Rust Removal/Smoothing/Sharpening, Different Shape (3 Shape, 30)

30 Pieces Abrasive Mounted Stone Grinding bits for Rotary Tool  Materials: Corundum Sand + Metal Shank diameter: 1/8inch Grinding stone: 10mm Cylinder Shape x 10 15mm Cylinder Shape x 10 10mm Bullet Shape x 10  Notes：  1. When installing the grinding head, please make sure the chuck can hold 3mm shank. Meanwhile, you can use a special wrench to tighten properly and check whether it is firm and strong. 2. Wear protective equipment correctly during operation.Idling for 1-2 minutes after installation to make sure everything is normal. 3. During the grinding, the operator should stand on top of the workpiece to prevent it from flying, chipping and hurt. 4. Use the grinding head, the force should be increase slowly. If the force is too strong, the grinding head will get stuck and broken,even the machine motor will burn out. The grinding should maintain about 30° and move the grinding bits back and forth at a uniform speed.

• 【Different Shape Meet More Needs】This sanding bits comes in three different shapes and sizes, all with a 1/8" shank to fit standard rotary tools. Such as curved, flat and slotted surfaces. Ideal for sanding after beveling holes in metal and wood.
• 【More Durable】Made with aluminum oxide, A high-quality industrial abrasive made for extended use, making this Bits tough enough to smooth out most materials including stainless steel. It has plenty of shank for the collet or chuck to hold onto for proper attaching. And, this durable, grinding stone can be cleaned and restored to its original shape after extended use, longer tool life and more efficient grinding.
• 【Wide Compatibility】Features a 1/8" shank, making the grinding stone suitable for most Dremel rotary tool, and other electric drills, cordless drills, die grinders. The package includes 30 pieces of grinding stone sanding drill bits. You will receive 10 pcs of 10mm bullet-shaped, 10 pcs of 10mm cylinder-shaped and 10 pcs 15mm cylinder-shaped sanding bits.
• 【Wide Application】Rotary Tool Sanding Bits can be used for a variety of applications like sharpening lawn mower blades, screwdriver tips, knives, scissors, chisels and other cutting tools. Use to remove flash from metal castings, deburring any metal after cutting, smoothing welded joints, grinding off rivets and removing rust.
• 【Notes】To ensure personal safety during use, it is important to wear appropriate protective gear such as gloves and a face shield or full coverage goggles.