The KUPO KCP-804HB Heavy Duty Arm Coupler is the reinforced 1 mm arm coupler in the KUPO arm-coupler family. It uses a 48 mm aluminum alloy tube, thick-gauge triangular support plate, and prolonged welded aluminum body to reach a 50 kg working load limit.
Why It Matters
A side arm creates leverage, so the construction matters as much as the tube size. KCP-804HB is built as the heavy-duty version of the 1 mm arm coupler, with twice the loading capacity of the ordinary arm coupler and a clear warning against horizontal tube use.
Key Features
50 kg working load limit gives the heavy-duty arm coupler clear capacity for offset support work
1000 mm overall length with 870 mm vertical drop and 50 mm offset defines the rigging geometry
48 mm aluminum alloy arm tube fits 48 to 51 mm pipe or truss tube
Triangular support plate and prolonged welded body strengthen the arm against offset loading
Black finish keeps the arm visually quiet in stage and studio environments
Applications
Use it for vertical pipe or truss-tube offset positions where a heavy-duty 1 mm arm coupler is required and the support orientation matches the usage warning.
Compatibility
Fits 48 to 51 mm pipe or truss tube. Do not use KCP-804HB on horizontal tubes or pipes, per the usage warning.
Frequently Asked Questions
Can KCP-804HB be used on a horizontal pipe?
No. Do not use this arm coupler on tubes or pipes in a horizontal orientation.
How is it different from the ordinary arm coupler?
It is the heavy-duty version, strengthened by a triangular support plate and prolonged welded body, with twice the loading capacity of the ordinary arm coupler.
What tube size does it fit?
It is made for 48 to 51 mm pipe or truss tube, with a 48 mm aluminum alloy arm tube.
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