ZHY550 Solid Carbide End Mills ZHY is our own brand, 550 is a grade with 10.2Co, which have got good reputation in China, also got good comments from many aboard customers.ZHY type carbide square end mills/ milling cutters are mainly for steel, cast iron, brassmachining, it'snot complicated to use 2/4 flutes end mills, also operation is easy and high efficiency. Meanwhile we have other advantages as below: 1>Competitive prices. Comparedwiththe manufacturers in this area, our prices are more competitive, becauseour customers are mainlywholesalers, so if can get good quantity on these end mills, we can give you special offer, or more discount. 2> Short delivery time. We have10 CNC machines, whichcan get a greatvolume of production.So your order will be finished in a very short time. 3> High quality. We never produce bad quality products, any problem on the quality, return accepted. 10 years experience won'tmake bad quality happen. 4> Non-standard size carbideend mills can be made as your drawings or samples. Here are the detail specifications of the ZHY-550 Carbide Square End Mills (Standard type), any interest, please send me the details for best prices. Thanks! Square end mill Specifications D(mm)d(mm)I(mm)L(mm)1.043501.544502.046502.548503.038503.048503.5411504.0411501.063501.564502.066502.566503.068503.5611504.0611504.5613505.0513505.0613506.0615507.0820608.0820609.010257510.010257512.012307514.0144510016.0164510018.0184510020.02045100