Granite cutting disc wear problems

Any granite cutting disc has its requirements for the use of certain wear, the wear reaches a certain level it is necessary to replace the new disc. Not in order to save material, it requires the use of ultra-wear, which is a very unsafe violations. A general rule, when the cutting discs wear to chuck diameter larger than the diameter of 10mm it should be replaced with a new disc. Validity of the problem from the Treasury brought a new disc is not necessarily qualified disc, new disc even buy from the manufacturers are not necessarily qualified disc. Any disc has its certain expiration date, in the effective use of the term, it is qualified disc; use over the period, it is not necessarily qualified disc.