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07 849 3811

55 Bryant Road,



We stock a comprehensive range of undercarriage-related hardware.



  • A full range of UNC & UNF Track bolts, Sprocket/Segment bolts and Roller bolts are stocked to suit all models of crawler equipment
  • Track bolts are grade 12.9 and roller bolts are 10.9
  • All bolts are forged from alloy steels and heat treated to the specifications of the original equipment manufacturers
  • Heat treatment provides a minimum tensile strength of 170,000 PSI and a core hardness of Rockwell HRC37-42
  • All nuts are hardened and tempered to match bolt strength
  • Segment and Roller washers are also available
  • We recommend using original manufactures bolts for all Rollers, Sprockets, Segments and toque to their specifications