How do I choose the right track bolts and nuts?

Expert_Answer

Track bolts are not ordinary hardware — they are high-tensile fasteners (typically grade 12.9) with special head profiles that seat into the track link, designed to clamp shoe to link under repeated shock loads. Choosing the right ones means matching three things: the thread size and length for your chain size, the correct head style (square, oval or flanged depending on link design), and matching nuts of the proper grade. Always replace bolts and nuts as pairs, torque them to the manufacturer specification in a cross pattern, and re-check torque after the first shifts of work — loose track bolts elongate the shoe holes and can scrap otherwise healthy shoes. Reusing stretched bolts is false economy. VANROCK supplies track bolts and nuts in all common sizes as part of its 44,000+ part catalog, quoted on request through its dealer network.

Answered by VANROCK specialists · Published 7/25/2026