Our special stainless steel media is the reason the sPINner can deburr where other media is ineffective. Each SUS 304 stainless steel pin is hardened to HRC 30 and features a magnetic treatment to enhance deburring action. To deburr hard materials like stainless steel, use a diameter of media bigger than 0.5mm. For soft materials such as brass, copper, etc. use media with a diameter of less than 0.5mm. Techniks offers free application testing to show you the benefit for your business and help you optimize for your application.