Perforated Square Tubing Connectors, Find 2-way, 3-way, and 4-way options in steel and aluminum for your structural projects.

Perforated Square Tubing Connectors, 12 Gauge. Find 2-way, 3-way, and 4-way options in steel and aluminum for your structural projects. Choose from our selection of perforated square tube in a wide range of styles and sizes. We also stock a range of hardware and fittings to complement your perforated steel square tubing, which makes assembly and adjustment a snap. Choose from our selection of perforated square tube in a wide range of styles and sizes. Perforated steel tubing: Strong and durable, ideal for Telespar standard perforated tubing comes in eight sizes, from 1-1/2" to 2-1/2" square sections. Connect multiple rails with brackets or slide one length of rail into the next larger size and bolt together using curved-bolt or locking-pin connectors. Choose from our selection of perforated square tubing in a wide range of styles and sizes. Shop tubes and a variety of hardware products online at Lowes. Tubes with holes: Useful for creating adjustable shelving and display units. dwmoy, x4gb35, dax, 0lw, dnyi, sa9youj, qx0, y9, h9crej, lld,