The 3 Way 90° Elbow Top Corner is a key clamp designed to create a clean 90° corner where three tubes meet. It is commonly used to form the top corner of a guardrail or tubular frame, where two horizontal rails meet a vertical post.
Ideal for safety railings, tables, workbenches, and other rectangular structures. Can be paired with the 3-Way 90° Elbow - Mid Corner for matching lower rail connections.
Assembly
Each key clamp is supplied with a set screw (Allen screw) for secure installation. An Allen key is the only tool required to tighten the tube firmly in the key clamp. Always use the correct Allen key size to prevent damage to the set screw and ensure proper tightening.
Quality & Standards
Our tube clamps are manufactured in accordance with BS EN 1562 and produced from high-quality malleable iron (grade KTH350-10). The tube clamps are finished with a hot-dip galvanised coating according to BS EN ISO 1461, providing excellent corrosion resistance and making them suitable for both indoor and outdoor use.
When properly tightened to a recommended torque of 39 Nm, the tube clamps create a strong and reliable mechanical connection. Load capacity depends on the specific fitting type, tube size and construction design.
If you would like to learn more about our key clamp system, please visit our guide: Everything about key clamps.
Known part numbers:
128-B (Tubeclamps)
20-6 (Kee Klamp)
C20G25 (Fast Clamp)
128-2 (Q-Clamp)
A18-6 (Alvin)
608018C (EZ)