Grinding Our grinding area is currently equipped for specialised grinding as apposed to production runs. We grind a number of jigs and fixtures and other hardened items for customers and for in house use. We are equipped with a surface grinder (500mm x 300mm x 300mm), internal grinder (380mm dia magnetic chuck x 300mm long), cylindrical grinder (200mm dia x 500mm long) and a tool/cutter grinder (150mm x 900mm).