used for steel structure projects ASTM A325 TC boltTorsional shear high strength bolt(TC Bolt)Model No.:ANTB1104Brand name: ANLITE or OEM service1 ... plated, ect.6.Standard: ISO, DIN,BS,GB,ANSL/ASTM, NF, JIS,AS,ect.7.Also can do the non standard ... , good reputation, looking forward to cooperation with you. ASTM A325 TC bolt