Flush Mount D-Ring Tie-Down Anchor
When you need a secure and convenient cargo tie-down anchor, choose this flush mount D-ring and mounting plate kit. The galvanized D-ring has a square recessed pan that gets bolted into your wooden trailer floor, keeping your surface even and avoiding the hazards of people tripping and freight snagging. The D-ring lies flush in the pan when not in use and can be lifted upward for use as a cargo tie-down anchor.
Bolting Hardware Included

The 3/8"-16 diameter, 2.5" long round head carriage are made out of steel and plated with zinc for superior corrosion and rust resistance. They are Grade A ASTM A307.

The 3/8"-16 diameter, 3/8" thick lockwasher Keps (K) nuts have attached free spinning toothed serrated star washers. They are made out of steel and plated with zinc for superior corrosion and rust resistance. They conform to ANSI B1.1 Class 2B standards.

The 1" diameter, 3/32" thick flat washers are also made out of steel and plated with zinc for superior corrosion and rust resistance.

This mounting back-plate goes on the underside of the mounting trailer to reinforce the lock hold. It is a black 1/10" thick, 6.5" x 6.5" square, with a 3.5" diameter circle in the middle. There are four pre-drilled holes for bolt-down.