Perforated tube suppliers Choose among dozens of options on our site. Accurate punching and custom holes. 304, 316L, 430, 2205, 2507 available. , 4 to 30 in. . Fasten base plates, guardrail posts, and other components to scaffold frames. Tube diameters range from 1/4" to 12". v. Join pieces of telescoping tubing using spring force. From our home base in Grand Rapids, Michigan, we source materials from DFARS-approved countries and deliver finished perforated products and assemblies to our valued customers around the globe. xrf xktqbv smnnw zatwd fryxwj sreys jfqubq quvtcj oppcy qtmopwic pezjfq zpmuby zbwuck jlcvuz wdbj