Track bolt is a kind of widely used rail fastener. Track bolt is referred to as rail bolt, used to fasten rail joints to link rails or to fix the sleepers with rails. Track bolts sizes are changing along with the requirements of the rail section. The rail bolts can be classified into several types depending on their fastening ways and applications. Fish bolts, track bolt for rail fastening systems (clip bolt & clamp bolt), track bolts for fastening different running tracks and anchor bolts are four main varieties.