Lala Smill 1/4" Shank Diamond Grinding Burr Set, 20pcs 120 Grit Sphere, Cylinder, Bullet, Taper Heads | For Hard Materials

• . Shank diameter: 1/4inch ( 6mm) , diamond mounted grinding head perfect for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing
• . These Grinding drill bits fits most of electric machine,rotary drills, and grinders.
• . 1/4 shank diamond burr great for grinding most of hard material ,such as iron ,glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals
• . Sphere, cylinder, bullet, taper head shape helps do different work like drilling holes, grinding, graving,
• . Good gift for DIY enthusiast hobbyist or craft fan, wear-resistant, maintain sharpness, not easy to fall off. (Note: use water for coolant, keep drill Smooth rotation)

• Select Tool and Collet — Choose a high-speed rotary tool or die grinder (15,000-30,000 RPM). Ensure the tool's collet is compatible with the 1/4" (6mm) shank of the diamond burr.
• Prepare for Grinding — Secure the workpiece firmly. Have water ready to use as a coolant; this is crucial for preventing overheating and extending the burr's lifespan, especially in warm environments.
• Grind and Shape — Insert the burr into the tool and start the motor. Apply light, steady pressure to the workpiece. Let the speed of the tool do the cutting; avoid forcing the burr.
• Clean and Store — After grinding, clean the burr and the tool. Store the burrs in their case to protect the diamond coating and prevent corrosion on the shank. Regular maintenance ensures longevity.

Typical situations where Lala Smill 1/4" Shank Diamond Grinding Burr Set helps — illustrative scenarios, not customer reviews.