Type:HEXAGONAL BOLT WITH WASHERS AND NUTS Material Grade: ASTM A193/ASTM A 194,GR B7M/2HM. Size: M20 3/4" 65MM Surface Treatment: ZINC-NICKEL COATED etc. Application: For Fasterning,Sealing. Packing: In Carton or Wooden Box or as Your Requirements. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Received the Deposit.