... .8 We are professional manufacturer of fasteners including hex bolt,hex nut,drop_in anchor,wedge anchor , washer etc. in Hebei Province,China. We are ... ,BSFModel NumberM6-M30PackingCarton,Jute Bag,Carton+PalletDelivery5-30daysCertificateISO9001 DIN933/DIN931 hex Bolt class 4.8/8.8