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Structural Dome
Structural Dome (Anlock Mega Lock)
Choose an Anlock Mega Lock structural rivet when the joint is load-bearing and a standard pop rivet is not strong enough. The mandrel stays locked inside the shell after setting, so the rivet keeps its full shear and tensile strength instead of relying on the hollow shell alone.
How this type works
Heavy-duty mandrel-retained rivet. The mandrel is permanently locked inside the shell after setting, adding shear strength comparable to a small bolt. Used in structural fabrication, trailer manufacture, signage frames and panel work.
Drill size
Match the drill to the rivet body diameter plus ~0.1mm clearance. 2.4mm rivet → 2.5mm drill (or 3/32"); 3.2mm → 3.3mm (1/8"); 4mm → 4.1mm (5/32"); 4.8mm → 4.9mm (3/16"); 6.4mm → 6.5mm (1/4").
Related
See the full rivet range for cross-category options including structural, sealed, peeled and multigrip variants. For threaded-insert applications (where you need a bolt to thread into thin sheet later) see our rivet nuts.
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12 Anlock Mega Lock structural dome-head rivets. Heavy-duty monolithic-set rivets where the mandrel is permanently retained inside the shell after setting — delivering both clamping force AND shear strength comparable to a small bolt. Used in structural metalwork, trailer manufacture, signage frames. Stainless steel, aluminium and zinc-pl
TECHNICAL RESOURCES
Need help identifying your rivet? See our step-by-step guide on how to identify and measure blind rivets.
Specification sheets with full sizing data and standards:
Specs - Structural Mega Lock Dome Aluminium Rivet · Specs - Structural Mega Lock Dome Stainless Rivet · Specs - Structural Mega Lock Dome Steel Rivet
