Adjustable Stainless Steel 6x6 Post Base Anchor, 1 Pc

Adjustable 6x6 post base delivers stable, wobble-resistant support for deck, porch, pergola, and pavilion columns while helping keep posts aligned and elevated. Built from stainless steel with a brushed, corrosion-resistant finish, this heavy-duty post anchor bracket is designed to fit standard 6 in x 6 in posts and installs quickly using the pre-drilled mounting holes and included hardware.

• Fits standard 6x6 wood posts with internal clearance sized for a secure, low-play connection.


• Delivers strong load support with a 1.8 mm thick stainless steel base built to resist bending.


• Installs fast using pre-made screw holes; drill, position, and fasten to wood or concrete.


• Includes a complete accessory set—anchors, bolts, nuts, screws, and two wrenches for setup.


• Supports multiple builds including porch handrails, deck posts, pergola columns, and railing bases.

When you’re building outdoors, the right post base helps prevent shifting, keeps the column base off the surface, and improves long-term stability in exposed areas. This adjustable post anchor bracket is sized for common 6x6 applications and pairs cleanly with modern, brushed stainless steel hardware for a tidy finish. Use it for new installs or upgrades on pavilions, porches, decks, and railings where a solid footing matters. Grab yours today and get your post layout locked in.

• Quantity: 1 piece


• Material: Stainless steel, brushed finish


• Overall size: 5.9 x 5.6 x 6.3 in (149 x 143 x 160 mm)


• Internal size: 5.5 x 5.9 in (150 x 139.7 mm)


• Base thickness: 0.07 in (1.8 mm)


• Net weight: 34.2 lb (15.5 kg)


• Included hardware: M8 expansion screws (2), M6x160 hex bolts (2), M6 nuts (2), M4x29 self-tapping screws (12), cross wrench (1), thin open-end wrench (1), braided cloth (1)