Square Sign Posts

PART NO. DESCRIPTION PRICE EACH ADD TO
CART

1 to 2 3 to 10 11 +

P225-3

3 Foot Galvanized Steel 2.25"x2.25" Square Base Post

1 to 2 $44.75

3 to 10 $42.51

11+ $40.28

P214-6

6 Foot Galvanized Steel Square Sign Post

1 to 2 $68.69

3 to 10 $52.20

11+ $46.71

P214-8

8 Foot Galvanized Steel Square Sign Post

1 to 2 $87.44

3 to 10 $66.45

11+ $59.46

P214-10

10 Foot Galvanized Steel Square Sign Post (Minimum order 5 posts)

1 to 2 $111.19

3 to 10 $84.50

11+ $75.61

P214-12

12 Foot Galvanized Steel Square Sign Post (Minimum order 5 posts)

1 to 2 $137.11

3 to 10 $104.21

11+ $93.24

With the ability to accommodate signs on all four of its sides, Square Galvanized Steel Sign Posts are an ideal solution for intersections that require a multi-sided sign configuration. Made with heavy-duty galvanized steel, posts have superior rust resistance and durability, making them well-suited for permanent installation.

A large stock of galvanized steel posts that are bundled in quantites of 25 post each.

Specifications and Measurement

We offer 6-, 8-, 10-, 12-, or 14-foot lengths for the standard 2" x 2" square sign post, which is suitable for most applications. 1.75" x 1.75" wide posts are additionally available in 8-, 10-, or 12-foot lengths. Any post style can be chosen with the standard 14-gauge wall thickness or a 12-gauge wall thickness.

12-gauge, 3-foot base posts, which help anchor the sign post to the ground, measure .25" wider than their matching square top post. 2.25" x 2.25" base posts closely fit 2" x 2" square sign posts, while 2" x 2" base posts are paired with 1.75" x 1.75" square sign posts. Figure 1 below shows the hole size and hole spacing of different square sign posts.

Figure 1: The tables shows the hole size, hole spacing, distance between holes for squre signs posts. It gives the available lengths per the different widths.

Sign Installation

Pre-punched holes have a 7/16" diameter to take standard drive rivets or bolt mounting hardware. Holes on the post are aligned in the center of each side surface and spaced 1 inch apart, with the distance measured from the center of one hole to the center of the next hole. The center of the first hole is .5" below the top of the post, and the center of the last hole is .5" above the bottom of the post.
Their square shape gives square sign posts two main advantages: wind resistance and numerous sign configurations. When square sign posts are installed into the ground, they are set in a square-shaped hole. This makes it significantly less likely that posts will rotate (Torsional stability) in the wind, which is an important quality for a sign post that can have signs mounted on any or all of its sides. Similar to u channel posts, square posts can be installed using jam nuts and corner bolts to create a full breakaway system.
Deciding on square sign post length, width, and gauge depends on roadside elevation, roadway configuration, base post use, and a number of other factors. Sign mounting specifications are set on page 899 in Section 2A.16 of the MUTCD , but your local jurisdiction may provide secondary guidance. Standard sign mounting hardware and brackets can be installed at the top of the post to allow for the easy installation of a variety of street name signs. Traditional signs and other accessories can be installed on any of the four sides. Figure 2 shows the wall thickness, mounting hole spacing, and diameter for square posts.

Figure 2: The wall thickness and mounting holes spacing and diameter for square posts.

Accessories and Hardware

Many accessories and different hardware options are available to be used with square posts. The following list shows the common hardware.

5/16" steel bolts are a very easy way to attach a variety of different-sized standard safety signs.
Brackets
Rivets

How are square sign posts sold?

Square posts are sold separately and in bundle form; however, we impose a minimum quantity of 5 on post lengths greater than 8 feet. Posts that are ordered in the full bundle form receive the highest price discount on shipping per post, saving you the most money. We use multiple freight carriers and will be happy to email you a quote. We can also estimate the lead time. Unloading is best accomplished using a forklift and a loading dock; however, we can also ship to off-site locations, including your job site. We maintain a large selection of products that are perfect for any size need.

Technical Specifications

Standards: All of our Square Galvanized Steel Sign Posts are manufactured in the USA using highly durable ASTM A1011 Grade 50 Steel and zinc-coated per ASTM 653, Coating Type G90 standards. The FHWA has accepted the posts as meeting the breakaway system requirement, as well as meeting the requirements set out for crashworthiness as adopted by the FHWA within the NCHRP 350 standard. The materials used to make the posts comply with the current "Buy America" requirements of 23 CFT 635.410, and the steel tubing meets the physical requirements of the ASTM A1011 Grade 50 and conforms to the ASTM A-653 designation Grade 90. The poles have been tested to meet the proper ELN Percent (Elongation Percent), Yield PSI (Yield Strength), and TSN (Tensile Strength, Ultimate Tensile Strength, or UTS).

Material certifications are available upon request.