These galvanized 8.8 grade Type A double end stud bolts are premium heavy-duty fasteners, crafted with high strength carbon steel and professional galvanized coating for excellent anti-rust and corrosion resistance performance. The premium galvanized surface treatment ensures great oxidation resistance and long service life, making these GB898 studs ideal for humid workshop environments and heavy industrial working conditions. Fully compliant with GB898 standard specifications, these Type A double end bolts feature strict dimensional tolerance control, high hardness structure and superior tensile strength guaranteeing tight non-loose connection even under long-term mechanical vibration. Specially designed for reducer assembly connection, these 8.8 grade studs deliver stable bearing capacity and precise matching effect to enhance overall equipment fastening safety. Widely applied in reducer connection, mechanical equipment assembly, engineering machinery fixing and industrial structural installation projects, these galvanized stud bolts cover full sizes M12 M14 M16 M18 M20 to meet various heavy load fastening demands. Each high strength double end stud bolt undergoes rigorous quality inspection, ensuring consistent hardness and stable structural performance all the time. Factory direct supply with complete specification stock available, these GB898 standard connecting bolts are the top choice for global hardware wholesalers, machinery buyers and industrial manufacturers offering cost effective high load fastening solutions for mechanical and industrial application scenarios.