... needle, Stainless/Alloy steel. Good performance make the finished parts precise and free of burr Product name: Cutting disc/cutting ... mainly used for cutting various metals like Hypodermic medical needle, Watch parts, Exhaust convetor tubing, HSS, Stainless Steel, and Alloy- Nickel, ... loss of material being cut, and good performance makethe finished parts precise and free of burrs.Sizes:OD. 1"-10" ...