TLS Mega-Slim Coupler with Flat Head Bolt
TLS Mega-Slim Coupler with Flat Head Bolt $24.89
  • he Light Source Mega-Slim Coupler MSCB-CS — low-profile black lighting clamp with 3/8" flat head bolt for 1-1/4" to 2.050" OD pipe and truss tube.
  • The Light Source Mega-Slim Coupler MSCM-CS — silver lighting clamp with wide wing nut and 3/8" flat head bolt for stage lighting on pipe and truss. - imagen 2
  • The Light Source Mega-Slim Coupler MSCM-CS — silver low-profile coupler side view showing clamp body and bolt assembly for pipe and truss tube mounting. - imagen 3
  • The Light Source Mega-Slim Coupler MSCB-CS — black low-profile lighting clamp front view showing clamp opening and flat head bolt for truss and pipe installations. - imagen 4
  • The Light Source Mega-Slim Coupler MSCM-CS — silver lighting clamp top view showing low-profile body design, half the size of the standard Mega-Coupler. - imagen 5
  • The Light Source Mega-Slim Coupler MSCM-1/4CS — silver lighting clamp with 1/4" flat head bolt for smaller lighting fixtures on pipe and truss tube. - imagen 6
  • The Light Source Mega-Slim Coupler MSCB-1/2CS-NH — black low-profile lighting clamp without hardware, showing clamp body for custom bolt configurations. - imagen 7

TLS Mega-Slim Coupler with Flat Head Bolt

The Light Source |
SKU: MSCB
$24.89
Finish: Black
Bolt: 3/8″ × 1″ Hex Cap Screw
  • Half the Size. Same Fit. Low-profile design, half the size of the standard Mega-Coupler and 30% lighter. Fits the same pipe and truss tube sizes.
  • Wide Pipe and Truss Compatibility. Fits 1-1/4" pipe (1.66" OD) to 2.050" OD truss tube. Wide wing nut for fast, tool-free tightening.
  • Multiple Bolt Options. Available in 1/4", 3/8", 1/2", M10 and M12 flat head bolt sizes. Black, Silver and White powder coat finishes.
  • No Hardware Version Available. NH variants available for custom bolt configurations on high-density rigs.
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TLS Mega-Slim Coupler with Flat Head Bolt
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TLS Safety Cable
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TLS Wall Mount for 1.5" Nominal (1.9" O.D.)
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TLS Coupler w/Eye Nut, (Cheeseboro)
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The Light Source Mega-Slim Coupler with Flat Head Bolt

The Mega-Slim Coupler is a low-profile lighting clamp designed for smaller fixtures where a standard coupler would be too bulky. Half the size and 30% lighter than the regular Mega-Coupler, it delivers the same reliable grip and fits the same pipe and truss tube sizes — making it the preferred choice for tight rigs, dense bars, and lightweight fixtures where clearance and weight are critical. It fastens to pipe from 1-1/4" (1.66" OD) up to 2.050" OD truss tube using a wide wing nut for fast, tool-free tightening. Available in multiple bolt sizes and finishes to suit any installation.

Key Features:

  • Low-profile design — half the size of the standard Mega-Coupler, 30% lighter
  • Fits 1-1/4" pipe (1.66" OD) to 2.050" OD truss tube
  • Wide wing nut for fast, tool-free tightening
  • Available in 3/8", 1/2", and 1/4" flat head bolt options, plus metric M10 and M12
  • Available in Black, Silver, and White powder coat finishes
  • No Hardware (NH) versions available for custom bolt configurations
  • Same fit and compatibility as the standard Mega-Coupler

Compatible Products:

Browse our full range of lighting clamps and couplers and entertainment and stage rigging at MTN Shop.

Frequently Asked Questions

What pipe and truss sizes does the Mega-Slim Coupler fit?
The Mega-Slim Coupler fits from 1-1/4" pipe (1.66" OD) up to 2.050" OD truss tube. It uses a wide wing nut for fast, tool-free tightening onto the pipe or tube.
What is the difference between the Mega-Slim Coupler and the standard Mega-Coupler?
The Mega-Slim Coupler is half the size and 30% lighter than the standard Mega-Coupler, making it the preferred choice for smaller fixtures, tight rigs, and dense bars where clearance and weight are critical. It fits the same pipe and truss tube sizes and uses the same bolt thread options as the standard version.
What bolt size should I choose?
The correct bolt size depends on the thread in your lighting fixture's yoke or clamp point. The 3/8" flat head bolt is the most common for standard stage lighting fixtures in the US. The 1/4" version suits lighter accessories, the 1/2" is for heavier fixtures, and the M10 and M12 metric options are for European fixtures. If your fixture uses a different bolt, the No Hardware (NH) version allows you to use your own bolt.

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