B-Line B202SS4 No-Twist Square Washer, 1/2 in, 9/16 in ID, 304 Stainless Steel

B-Line strut systems, also known as bolted framing, provides an economical solution for virtually any commercial, industrial, petrochem, mining, infrastructure or data center support application. The system includes a full line of solid, slotted hole (SH) and long slotted hole (S) channel, and other hole patterns, as well as full line of fittings, clamps and beam supports. The system is available in wide variety of materials and finishes including pre-galvanized, hot dip galvanized, stainless steel, Dura Green™ paint and other paints.