The KUPO KCP-810 Arch Coupler is a polished fixed-jaw double clamp for coupling two parallel 38 to 51 mm tubes. Built from gravity die-cast aluminum with a horizontal ergonomic T-handle and double countersunk bolt seats, it carries a 100 kg Working Load Limit in a compact 680 g body.
Why It Matters
The arch body is useful where a standard coupler is hard to reach around truss bracing. Its horizontal handle position and M10 or M12 countersunk bolt seats keep installation practical for shops that need a repeatable parallel-tube clamp.
Key Features
Fixed-jaw double clamp couples two parallel 38 to 51 mm tubes
Horizontal ergonomic T-handle is easier to reach around truss bracing
Double countersunk seats accept M10 or M12 hex bolts for shop-standard hardware
100 kg Working Load Limit suits vertical loading within the arch coupler family
TÜV APPROVED gravity die-cast aluminum body weighs only 680 g
Applications
Use it for parallel tube coupling, scaffold-to-truss transitions, vertical loading applications, compact rigging builds, and installations where the handle needs to be accessible around bracing.
Compatibility
Fits 38 to 51 mm tube and accepts M10 or M12 hex bolts via double countersunk seats. KCP-813 is the matching arch eye ring variant.
Frequently Asked Questions
What makes the arch coupler different?
The arch shape and horizontal handle improve access around truss braces, while the body spans 38 to 51 mm tube rather than only one narrow tube size.
Can the shop use M10 bolts instead of M12?
Yes. The specification notes double countersunk seats for M10 or M12 hex bolts, with an M12 x 38 mm bolt supplied.
When should I step up to a slim or mighty coupler?
Step up when the tube range moves larger, such as 48 to 60 mm, or when the load and geometry call for a different coupler family.
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