Simpson Strong-Tie Strong-Drive® SDWH TIMBER-HEX Screw Option:SDWH19300DBMB and torque-controlled expansion anchor has H6A8 Option:A5H6 Wej It Ankr TITE Material

and torque-controlled expansion anchor has a unique safety shoulder in the expansion cone that supports a thick 3-dimple clip engineered to provide high load carrying capability and reduce slip in a variety of installation conditions

can be found in this link

Nut and washer included

IF YOU WERE LOOKING FOR STANDARD GALVANIZED HEX NUTS

Truss Heads and more

Simpson Strong Tie Strong Drive® SDWH TIMBER HEX Screw Option:SDWH19300DBMB and torque controlled expansion anchor has H6A8 Option:A5H6 Wej It Ankr TITE Material and torque controlled expansion anchor has a unique safety shoulder in the expansion cone that supports a thick 3 dimple clip engineered to provide high load carrying capability and reduce slip in a variety of installation conditions can be found in this link