https://www.mccoys.com/shop/p/6753578-052303-36/lambro-283-worm-gear-clamp-3-in-duct-clamping-range-2-916-to-3-12-in-steel-zinc
283 Worm Gear Clamp, 3 in Duct, Clamping Range: 2-9/16 to 3-1/2 in, Steel, Zinc
Sku: 6753578-052303-36
$3.63
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Estimated Arrival On: 03/19/2026
Duct Clamps & Hangers:Lambro 283 Worm Gear Clamp 2-9/16 to 3-1/2in
Used for secure connection to flexible aluminum duct.
- Unique design allows for easy-to-tighten convenience
Duct Size
3
Clamping Range
2-9/16 to 3-1/2
Material Gauge
0.03
Material
Steel
Finish
Zinc
Dimensions
1/2 in H
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