MLM2.875 Monstro-Coupler 2.875

Light Source

36 in stock

Light Source

$135.13 $113.72
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MLM2.875 Monstro-Coupler 2.875

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MLM2.875 Monstro-Coupler 2.875 (2.5 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
MLB2.875 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
MLM10.75 Monstro-Coupler for 10" Pipe (10.75" OD), Silver
MLM2.375 Monstro-Coupler 2.375, 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
MLM6.625SSTOMLMSS90 Mostro-Coupler6.625 to Mega-Coupler, Stainless Steel, 90 Degree, 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

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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