Rail drilling machine 3.1 Yhd-d31a ultra-light rail drilling machine Name: yhd-d31a ultra-light rail drilling machine Id: c024 Compact design ensures that the machine is light and robust. Product features short drilling time with powerful engine. simple clamping device to ensure accurate and quick fixing within a few seconds. lightweight, firm structure and optimum comfort. automatic lubricant feeding during drilling work. max. Drill bit diameter up to 38mm. Technical specifications ItemsUnitSpecifications 1Engine Stihl fs120 2PowerKw1.3 3No-load speedRpm9000 4Drilling accuracyMm?0.2 5Spindle speedRpm180 6Drilling strokeMm50 7DimensionsMm650*450*450 8WeightKg20