90Pcs,3mm Cylinder Ball Tapered Burr set,3mm Shaft,Diamond Stone Abrasive Burs Grit Bits for Rotary Tool Grinding Jewelry Lapidary Woodworking (90Pcs 3mm Cylinder Ball Tapered)

1. New tools must be installed when the tool is to try whether the beating, beating, then can not directly work, to adjust to not jump to use. Otherwise the tool soon wear off, carved out of things is not very smooth Adjustment method: with a small wrench chuck gently tapping the high-speed rotation of the tool handle until the tool is smooth. Electronic machine is strictly prohibited to beat, adjust the method is to release the chuck, the tool turned an angle or out and indent a little. 2. Be sure to drain the water (like a drip device like a drip in a hospital), such as a dry drill, the diamond on the head of the tool is graphitized by overheating, and it is quickly worn out. 3. When drilling, try to avoid shaking, because the shaking will cause local damage to the tool, and accelerate the damage to the entire tool. 4. The speed is as high as possible. General requirements line speed of not less than 10-20 m per second. 5. Light pressure into the diamond tool is to rely on grinding to process the workpiece, excessive force, grinding is not easy to exclude, tools (especially small tools) are also easy to damage.

• 90Pcs set.30pcs Cylinder,30pcs Ball,30pcs Tapered 3mm burr head assorted diamond burrs,3mm shank.
• High working efficiency, perfect grinding effect and long using life.
• Basically replace with handle small grinding wheel,and no dust pollution.
• Convenient to grind,simple to use,safe and reliable.
• Suitable for processing wood,carving glass,jade,stone,hand-cut,secant,grinding,hollow out etc.