Monstro-Couplers, Various Sizes
Monstro-Couplers, Various Sizes

Standard Monstro-Coupler base with a 1/2-13 TPI threaded hole.

Monstro-Couplers, Various Sizes

Monstro-Coupler Base with 1/2" Countersunk hole.
“CS” is at the end of the part number.

Monstro-Couplers, Various Sizes

The outside diameter is the distance across the pipe from outside to outside.
The inside diameter is the distance across the inside opening of the pipe.

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)
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

Order Codes

MLB2.375 Monstro-Coupler 2.375, for 2" Pipe (2.375" OD), Black
MLB2.375CS Monstro-Coupler 2.375, Counter Sunk, for 2" Pipe (2.375" OD), Black
MLB2.875 Monstro-Coupler 2.875, for 2.5" Pipe (2.875" OD), Black
MLB2.875CS Monstro-Coupler 2.875, Counter Sunk, for 2.5" Pipe (2.875" OD), Black
MLB4.5 Monstro-Coupler 4.5 for 4" Pipe (4.5" OD), Black
MLB4.5CS Monstro-Coupler 4.5, Counter Sunk, for 4" Pipe (4.5" OD), Black
MLB50-60MM Monstro-Coupler for 50 to 60 MM, Black
MLB6.625 Monstro-Coupler 6.625, for 6" Pipe (6.625" OD), Black
MLB6.625CS Monstro-Coupler 6.625, Counter Sunk, for 6" Pipe (6.625" OD), Black
MLB7 Monstro-Coupler 7, for 7" Tube, (7" OD), Black
MLB7CS Monstro-Coupler 7, Counter Sunk, for 7" Tube (7" OD), Black
MLM10.875 Monstro-Coupler for 10" Pipe (10.75" OD), Silver
MLM2.375 Monstro-Coupler 2.375, for 2" Pipe (2.375" OD), Silver
MLM2.375CS Monstro-Coupler 2.375, Counter Sunk, for 2" Pipe (2.375" OD), Silver
MLM2.875 Monstro-Coupler 2.875, for 2.5" Pipe (2.875" OD), Silver
MLM2.875CS Monstro-Coupler 2.875, Counter Sunk, for 2.5" Pipe (2.875" OD), Silver
MLM4.5 Monstro-Coupler 4.5, for 4" Pipe (4.5" OD), Silver
MLM4.5CS Monstro-Coupler 4.5, Counter Sunk, for 4" Pipe (OD 4.5"), Silver
MLM6.625 Monstro-Coupler 6.625, for 6" Pipe (6.625" OD), Silver
MLM6.625CS Mega-Coupler 6.625, Counter Sunk, for 6" Pipe (6.625" OD),, Silver
MLM7 Monstro-Coupler 7, for 7" Tube, (7" OD), Silver
MLM7CS Monstro-Coupler 7, Counter Sunk, for 7" Tube (7" OD), Silver
MLM80MM Monstro-Coupler for 80MM OD Tube, Silver