NLB-500 Portable Rail Impact Wrench NLB-500 railway construction rail fastener wrench is used for tightening and loosening sleeper bolts, hook-bolt nuts, etc. With two stroke petrol engine and 18kg lightweight can achieve easily vertical and horizontal wrenching tasks. Specification Model NLB-500 Type Rail Impact Wrench Material Stainless Steel Dimensions (L x W x H) (mm) 830*280*380 mm Engine 2 stroke, Single cylinder, Air cooling RPM 7500r/min Power 1.42kw Spindle RPM 800r/min Rated torque 500N.m Peak torque 1000N.m Weight 18kg
