... Pickled ,Bright, Polishing, Mirror, Hairline,Service Stainless Channel Cutting; Stainless Channel Polishing; Stainless Channel PMI Testing;Main Grades of Stainless Steel ChannelStainless ... at back of web.Note B: For channel 15.50mm and under in depth, the out-of-square tolerance is ... If you are going to buy high quality stainless steel channel bar in stock, please feel free to contact Sheye Metal, ...