3x3 Perforated Square Tubing. Ideal for structure, greenhouse, solar farm. Choose from our selecti

Ideal for structure, greenhouse, solar farm. Choose from our selection of square tubing, including low-carbon steel rectangular tubes, multipurpose 304 stainless steel, and more. May 26, 2009 · Tubing of different sizes can be used together for telescoping purposes. Steelworks zinc perforated square tube is designed for projects where rusting may occur, and painting is not required Zinc-plated steel gives the steel a clean, bright look while also protecting it from rust Manufactured in the USA with low carbon steel Commonly used to build shelving units, equipment stands, tool racks and other storage structures Steelworks zinc perforated square tube is designed for projects where rusting may occur, and painting is not required Zinc-plated steel gives the steel a clean, bright look while also protecting it from rust Manufactured in the USA with low carbon steel Commonly used to build shelving units, equipment stands, tool racks and other storage structures The Telespar® system is available with three types of posts: galvanized steel tubing with perforated holes on all four sides, Qwik-Punch® posts, which are made with 7/16” knockouts, 1’ on the center on all four sides and the round sign system with socket and wedge. Telespar standard perforated tubing comes in eight sizes, from 1-1/2" to 2-1/2" square sections. Tubing comes in round and square shapes in varying lengths. The Telespar system in Perforated tube has 7/16" diameter holes on 1" centers on all four sides of the tube. Dec 3, 2025 · Explore the ins and outs of perforated square tubing 3x3 — a versatile, lightweight steel product transforming construction, agriculture, and emergency relief worldwide. Any Quantity, Any Size, Delivered Anywhere! Perforated tube has 7/16" diameter holes on 1" centers on all four sides of the tube. Delivery in 22-30 days.

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