Tension control bolts from Disc-Lock Australasia are produced with full factory mill certifications and meet all AISC requirements and specifications of A.S.T.M. Tension control bolts meet all physical requirements and feature a US Department of Transportation Federal Rail Administration approved fastening system.
Tension control bolts also feature lot identification numbers that correspond to the lot number marked on each bolt container. These identification numbers allow for traceability of the bolt from raw material through to manufacturing. Accompanying certification documents are traced to the actual bolts by this same identification system.
Disc-Lock Australasia feature quality, certified and traceable tension control bolts.