Perforated square metal tubing. Choose from our selection of perforated square tube in a wide range of styles and sizes. Price and order today! Everbilt - Zinc Plated Perforated Steel Square Tube - make sure you're getting the best. com. Choose this heavy duty steel window sash balance for its universal design. Standard tube hole spacing is 1″ on center with a 5/16″ perforation. Hot-dipped Shop galvanized steel perforated square tube for a wide range of applications at OnlineMetals. Galvanized perforated square tubes are hot rolled steel, or mild steel, tubes that have been punched and dipped into a molten zinc coating process. . Choose from our selection of perforated steel tubing, including over 70 products in a wide range of styles and sizes. The 1-3/4 x 1-3/4 x 12 perforated tube is designed to be telescoped into our 2 x 2 x 12 ga perforated tube and can be used with our locking pins. 3ngi9 jnk93b arny ue2ee2t ccl kxnnwf kevg 04x gbys 3u4c9