This Side Mounting Bracket is used to install & secure 300mm duct (Part No: TC1279-275A) in a straight run. This Bracket is typically spaced at 0.9 metres or less, to make a rigid & strong installation. The duct is mounted in the Duct Mounting Bracket (Part No: TC1279-297A); which in turn is bolted to the Side Mounting Bracket, using the M12 (1/2”) x 20mm long hex bolt & washer included. The Side Mounting Bracket is secured, at the desired height, to 5/8” UNC threaded rod, using 2 x 5/8 “ UNC hex nuts & washers. Both the 5/8” UNC threaded rod x 300mm, 760mm or 1000mm long (Part No’s: 93x5-8x300; 93x5-8x760 or 93x5-8x1000); and 5/8” UNC hex nuts & washers (Part No: TC1279120KIT); are available separately.