PFERD diamond grinding pen DSPG 3.0-13.0/3 D126 // The pointed arc shape SPG is ideal for machining small openings and holes as well as for engraving work. // Grinding pin diameter: 3 mm // Grinding pin width: 13 mm // Shank diameter: 3 mm // Shaft length: 37 mm // Grain size: D 126 // Matching tool drives: machine tool, robot, straight grinder, bending shaft drive // Machineable work. Materials: high warm. solid materials, carbide, technical ceramics, glass, ferrite, nickel and titanium base alloys, graphite, electric carbon, abrasive materials. Processing tasks: grinding, deburring, internal circular grinding, edge processing, chamfering, rounding, finishing. Recommended SCutting speed: dry sanding: 8-18m/s, wet grinding: 15-25m/s