Description
Adjustable 3.75 in. – 4.5 in. These 4 in. Worm gear clamps are ideal for attaching aluminum, semi-rigid, and galvanized ducts to other aluminum products, including elbows and pipe. Easily adjustable with the turn of a screwdriver, these clamps can be used with all venting applications. A heavy-duty galvanized steel construction ensures longevity through a variety of uses. For optimal performance, it is recommended to use a manual screwdriver to avoid over tightening and stripping the screw
- Adjustable 3.75 in – 4.5 in worm clamp to fit over different sized ducting
- Used to fasten ventilation duct
- Made of heavy duty galvanized steel
- Oversized for easy fit
- Heavy duty easily adjustable mechanism for secure fit
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