The Manrose Metal Worm Drive Clamp (50110mm) is a reliable, high-strength solution for securing flexible ducting and ventilation hoses in both domestic and commercial installations. Designed with versatility and ease of use in mind, these clamps are ideal for use with 100mm (4″) ducting systems, commonly found in extractor fans, tumble dryers, and in-line ventilation kits.
Constructed from durable, corrosion-resistant metal and featuring a worm-drive mechanism, these clamps allow for a firm, adjustable fit over a wide diameter range of 50mm to 110mm. This twin-pack ensures you have the right fixings to complete or maintain your installation with confidence.
Key Features & Benefits
- Adjustable Size Range: 50mm110mm
Designed to accommodate a variety of duct sizes, particularly 100mm flexible or rigid ducts used in standard extraction systems.
- Strong Metal Construction
Built from galvanised or stainless steel, offering resistance to rust, corrosion, and wear even in humid environments.
- Worm Drive Mechanism
Ensures a secure, evenly distributed grip that is easy to tighten or loosen with a flat-head screwdriver or socket driver.
- 8mm Band Width
Provides optimal surface contact without damaging the duct material.
- Pack of 2
Ideal for securing both ends of a duct run or for keeping a spare on hand for future use or maintenance.
- Multipurpose Use
Suitable for extractor fans, tumble dryers, cooker hoods, inline fans, and other ventilation and HVAC setups.
Technical Specifications
| Attribute |
Specification |
| Product Type |
Metal Worm Drive Clamp |
| Clamp Size Range |
50mm 110mm |
| Band Width |
8mm |
| Material |
Galvanised/Corrosion-Resistant Metal |
| Mechanism |
Screw-tightened worm drive |
| Quantity per Pack |
2 Clamps |
| Boxed Weight |
30g |
| Tool Compatibility |
Flat-head screwdriver or socket wrench |
| Application |
Domestic or light commercial ventilation |
Ideal Applications
- Securing flexible aluminium or PVC ducting to fans, grilles, or vent connectors
- Use with tumble dryer kits, inline fans, bathroom or kitchen extractors
- Suitable for retrofit or new installations
- Quick maintenance or ducting replacements where a tight seal is essential
Installation Guidance
- Slide the clamp over the ducting before attaching to the fan or grille spigot.
- Position the ducting in place, then slide the clamp into position over the connection point.
- Use a screwdriver or driver to tighten the worm gear, creating a secure and airtight seal.
- Do not overtighten to avoid damaging thin or flexible duct materials.
FAQs
Q: Are these clamps reusable?
A: Yes, the worm drive design allows for easy loosening and retightening, making them fully reusable for duct changes or servicing.
Q: Can these clamps be used outdoors?
A: While they are corrosion-resistant, it’s best to verify whether the specific material is stainless steel for long-term outdoor use.
Q: Are tools included?
A: No tools are included, but a flat-head screwdriver or nut driver is all thats needed.
Q: Will this work with 100mm (4″) ducting?
A: Yes, these clamps are perfectly suited for 100mm ducting, with room for adjustment both smaller and larger.
Warranty & Aftercare
- Manufacturer Warranty: 12 months standard
- Storage: Store in a dry, cool place to avoid corrosion before use
- Maintenance: Occasionally check for tightness or corrosion in high-humidity environments
Why Choose Manrose?
Manrose has a longstanding reputation for quality ventilation accessories designed for efficiency, reliability, and ease of use. The 50110mm Metal Worm Drive Clamp Pack is a simple yet essential component that helps keep your ventilation system securely connected and performing at its best.
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