dimensions dia- 4mm to 25.4mm lenght- 10mm to 60mm material- ss303,ss304,ss316 usage oil & gas industry cooling plants refrigeration industry how to make step 1. any of the components are precisly machined on our well maintained turning machines upto tolerance of +- 0.1mm step 2. grinding is done on sophisticated centerless grinder at of +-0..02. step 3. precise guages are used to measure internal diameters. step 4. final inspection is done before dispatch.