... Gr5,Gr8,4.8,8.8,10.9 We could customed according to the drawing of our customers.Description:liner bolts,nuts ... , non-standard bolts,etc1) Size:According to customers' requestment;Mainly:M20 up to M522) Material: ... ;3) Packing: Plastic bag,small box,carton,pallet .Could according to customers requirement4)Application:Mining/Power/Cement5)Dementions:various type ...