... shaft, stud bolt,screws, bolts, non-standard bolt, non-standard nut, non-standard screws, egg neck bolt, fishbolt, countersunk head bolt. Expansion bolt, expansion ... double end stud- , fully-threaded stud and heavy hex nut applied on petrochemical industry, boiler and wind power generation. ... 1400MM.2. Metric and ANSI round head oval neck bolt (fish bolt) with mechanical property of Grade 8.8 and 9.8 ...