Shanghai spot copper price chart October 20
Full thread studs are special grade bolts, represented by material grades. Material substitution for chemical equipment must be confirmed by design before it can be represented. Once, it was seen on site that Grade 4.5 hexagonal bolts were used instead of Grade 8.8 bolts
Fully Threaded Stud,B7 Full Thread Studs,Pressure Resistant Screws,High Strength Fully Threaded Studs
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