The strength grades range: CLASS 6，CLASS 8，CLASS 10，2H，HV10 for Nuts, CLASS 4.8，CLASS 6.8,CLASS 8.8,CLASS 10.9,HV 10.9 for bolts.
Shanghai Jianxin Hardware Co.,ltd is the sales agent of Tianbao Fastener in Shanghai, we explore the market in more than 55 countries and regions in the world,with over 200 variety customers.Our business principle is quality first,better service to customers based on rich experience.
Our main products are: Hex nuts （DIN934，DIN555，ISO4034，DIN6915，ASTM 2H，IFI D-6，A563）, Flange nuts (DIN6923), Nylon insert nuts (DIN985), Wheel nuts, Hex bolts (DIN931，DIN931，ISO4014，ISO4017，DIN6914）,Socket hex bolts (DIN912), T-Nuts, Washers (DIN125,DIN127,DIN6916), Thread rods (DIN975), Machine screws, Wood screws, Drywall screws and Chipboard screws.
Please contact us and we will answer your questions
