Post 2in Chain Link Fence Post Floor Flange Bracket - Heavy Duty

In this review the Post 2in Chain Link Fence Post Floor Flange Bracket is judged as a purpose-built anchoring solution for contractors and DIYers who need a robust base for round steel posts. The single biggest reason to buy is its one-piece QT450-10 ductile iron construction, which delivers noticeably more rigidity and confidence at the base of a fence post or mailbox mount than thin stamped alternatives. For anyone installing posts to concrete where stability and corrosion resistance matter, this bracket is worth considering.

Key Features

• One-piece ductile iron: The QT450-10 casting provides durable strength that resists deformation under load and anchors posts securely to concrete.
• CNC precision turning: Machined caliber and a flat bottom yield a snug, wobble-reducing fit against the concrete surface for improved post stability.
• Galvanized finish: The baked galvanized paint helps protect the flange from moisture and rust, extending its usable life outdoors.
• Complete hardware bundle: Comes with expansion bolts and hex screws sized for concrete installation, so the bracket is ready to install without hunting for fasteners.
• Standard post fit: Sized for 2in posts (actual 1 7/8in OD), making it compatible with common chain link and mailbox tubing.

Who It's For

This bracket is ideal for professional installers, fence contractors, and experienced DIYers who need a sturdy, long-lasting base for chain link fence posts, mailbox posts, lamp posts, or other round steel tubing anchored to concrete. The heavy ductile iron construction and supplied expansion bolts suit commercial jobs and residential projects where long-term stability is required.

Homeowners looking for a lightweight or decorative solution, or those who need a flange for nonstandard post diameters, should look elsewhere. Also note that drilling concrete with a 5/8in bit and using an electric hammer is required, so it is not a purely cosmetic or easy handheld installation.

Pros & Cons

Pros

• Solid one-piece QT450-10 ductile iron offers excellent rigidity and load resistance.
• CNC-machined fit and flat base reduce post wobble for a firmer installation.
• Includes expansion bolts and hex screws so installers have the correct hardware on hand.

Cons

• Heavier than stamped alternatives, which may be unnecessary for very light-duty uses.
• Requires concrete drilling with a 5/8in bit and expansion anchors, so installation is more involved than simple surface mounts.

Specifications

Our Verdict

This flange bracket is a practical, heavy-duty choice for anyone who needs a reliable anchor for 2in round posts. The cast ductile iron body, CNC finish, and included concrete anchors make it a good value for contractors and serious DIYers who prioritize long-term stability and corrosion resistance over lightweight convenience.

Frequently Asked Questions

Will this fit standard 2in chain link posts?
Yes, it is sized for 2in posts with an actual inside fit of about 1 7/8in OD.

Is the hardware for concrete included?
Yes, the package includes expansion bolts and hex screws sized for the bracket and concrete installation.

Does the finish resist rust outdoors?
The bracket uses a galvanized baking paint finish intended to provide waterproofing and rust resistance for outdoor use.