NZG-31ll internal combustion rail drilling machineis a specialized machine suitable for drilling boltholes for rail fshplates in railway track maintenance departments. Suitable for drilling 43~75kgrails. lt is powered by a small gasoline engine,decelerated by a special reducer, and drives thedrill pipe to rotate. The handle is used to drive thegear and rack to realize the feed, and the wormgear mechanism is clamped. A drill rod bracket isprovided to ensure the accuracy of the drillingdirection and prolong the service life of the drillbit. lt is equipped with a special hollow drill bit.This machine enjoys the advantages of novelstructure, small size, light weight, high efhciency,convenient clamping, and accurate drilling.