Monstro-Coupler 4.5 for 4" Pipe (4.5" OD), Black The Monstro-Couplers are designed to fit pipes larger than the standard theatrical battens. CNC machined from solid billet aircraft-grade aluminum, they are perfect for attaching to odd size pipes and tubes. Monstro-Couplers have a narrow size range of application. They are designed with a plus or minus 0.0625" tolerance on their nominal size to ensure that they will fit with the Aluminum Association pipe and tubing manufacturing tolerances. Custom sizes are available upon request. Monstro-Couplers of same or different sizes can be attached together to make a swiveling connection. There is a nominal assembly charge for assembling Monstro-Couplers into swivels. Stainless steel hardware is available as a custom option. Add "-SS" to the part number for 304 SS, a less expensive stainless steel which is fine for most inland outdoor usage.Add "-316SS" to the part number for 316 stainless steel which provides corrosion protection in marine usage. 316 stainless steel is expensive but worth the extra cost for salt water environments, fountains, and swimming pools. A black finish is also available. Download Spec Sheet (PDF) Download Monstro-Coupler Size Chart (PDF) Download Pipe and Tube Sizing Chart (PDF) Minimum Size Varies with specific product Maximum Size Varies with specific product Working Load Limit 1100 lbs. Hardware Standard Hardware - 1-1/4" Gr 8 zinc plated steel bolt. 1" OD Belleville spring washer and nylock nut. Dimensions Varies with specific product Weight Varies with specific product Case Quantities Each
