特 点：材质采用高级不锈钢,真空热处理后经深冷处理至硬度HRC50~55再进行研磨加工,因此本体不易变形。应 用：较适合面积大及重量较重的工件使用。平行精度：0.003/100mm以内垂直精度：0.005/100mm以内Characteristics： Precision Vise of Stainless Steel for EDM, the material is stainless steel, have done vacuum harden treatment and deeply cold treatment to HRC50~55 before doing the grinding process, the essence is not easy to deformed.Application： Suitable for workpieces with large area and heavy weight.Parallelism： Within 0.003/100mmSquareness： Within 0.005/100mm