The depressed center cutting wheel also called cutting disc, which is made of good quality alumina material. Its usage is very wide, and depressed center design can make it cutting and grinding.
It is used in the finishing process of slotting, relieving, peripheral and backlash grinding of high speed steel, cemented carbide drill, milling cutter and reamer.
Peanut massage ball Neck Release: Place the active ball under the head and apply slight pressure to move the neck slowly to the left and right. Be careful not to lift your chin up.