The 230-020 is manufactured by SML. This tie bolt has dimensions of 19 mm (diameter) x 127 mm (length). It screws directly into hydraulic cylinder. The capacities of this tie bolt vary on the punches. For 3-point punches, the diameter range is from 27 mm to 142.8 mm, while for 2-point punches the diameter range is from 28.3 mm to 64 mm.