What is the thickness of the steel please? Thanks

My micrometer measured .26 inches or 6.6 mm. I am not sure which scale you needed so I included both. I hope this helps you. Denise.

What are the inside dimensions of the channel.

The post base is designed to fit a standard 1-5/8 inch stick of unistrut (or equivalent), so it's nominally larger than 1-5/8 inches square. A standard length of strut will fit inside, and be flush with the ends of the opening.

Will this fit inside a square 2" sign post?

This is not designed for that application. It is design for 1-5/8" strut

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Morris Products 17454 Post Base Channel 4 Hole Square – For 1-5/8” Strut – Side Orientation, Galvanized Steel – 6” x 6” Base – Secures Strut Assembly to Floors, Surfaces, 1-Pack

Morris Products 17454 Post Base Channel 4 Hole Square – For 1-5/8” Strut – Side Orientation, Galvanized Steel – 6” x 6” Base – Secures Strut Assembly to Floors, Surfaces, 1-Pack

Product ID: 23305700

Details

Color
Silver
Connector Type
Screw
Contact Material
Galvanized
Insulation Material
Polyvinyl
Terminal
Screw Terminal

📏6” x 6” base for stable support

🔩4 mounting holes for secure fit

🛠️Galvanized steel for ultimate durability

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Description

🔧 Secure your build with confidence — because every detail counts!

BUILT TO LAST - Galvanized steel construction resists corrosion and stands up to tough environments.
COMPACT YET MIGHTY - 6” x 6” base delivers maximum support without bulk, keeping your setup sleek.
ROCK SOLID STABILITY - 4 precision mounting holes lock your strut in place with zero wobble.
SIDE ORIENTATION ADVANTAGE - Optimizes installation flexibility for both residential and commercial projects.
PERFECT FIT FOR 1 5 8 STRUTS - Engineered specifically for seamless integration with standard strut sizes.

The Morris Products 17454 Post Base Channel is a galvanized steel mounting base designed to securely fasten 1-5/8” strut assemblies to floors and surfaces. Featuring four mounting holes and a 6” x 6” side-oriented base, it offers durable, corrosion-resistant support ideal for both residential and commercial applications.

Specifications

ASIN	B005GDG70S
Best Sellers Rank	#556,426 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6,119 in Hardware Brackets
Brand Name	Morris
Color	Silver
Connector Type	Screw
Contact Material	Galvanized Steel
Customer Reviews	4.6 4.6 out of 5 stars (178)
Global Trade Identification Number	00601986174541
Included Components	Post Base Channel 4 Hole Square
Insulation Material Type	Polyvinyl Chloride
Manufacturer	Morris Products
Material Type	Alloy Steel
Model	17454
Number of Items	1
Number of Packs	1
Part Number	17454
Stud Size	1.625 inches
Temperature Rating	Standard Temperature Rating
Terminal	Screw Terminal
UPC	601986174541
Unit Count	1 Count

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€ 81.58

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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