The Division is always the quality of survival, integrity for the purpose! We absolutely guarantee at your request send the goods you want, never seq charge positive, absolute guarantee of quality saw blades! But does not guarantee that you will be able to cut the number of knife and saw how long it is absolutely not broken high-speed steel circular saw blades Uses: mainly used for steel, iron, copper, aluminum and other metal materials in hard following narrow and deep grooves machined or cut . Also be used for non-metallic milling. Superhard materials, carbide saw blade is mainly used for cutting hard materials (heat-resistant steel, stainless steel, high-strength steel) milling. Following is a brief talk about the material on the blade, generally divided into four (blade coating material combined with professional presentation above), inferior race to the good order of W5 - W9 - M35 (W6 + Al) - M42 (W6 + cobalt per Kivu), quality of materials directly related to the effectiveness and durability of the cutting blade degree, there are a lot of customers to analyze materials and coatings are not good or bad, just look at the price, the result is not so good to buy blades. Our blades are marked materials and coatings, we dare to compare. The brand is the saw blade word out. If in doubt, please consult