Description
The RIDGID Knocker Chain for K9-306 is a heavy-duty, high-impact cleaning attachment engineered to deliver powerful descaling and blockage-removal performance inside medium to large-diameter pipework. Designed specifically for the RIDGID K9-306 FlexShaft® system, this chain head provides aggressive rotational cleaning while maintaining excellent flexibility and navigation through bends and complex drainage layouts.
Key Features
Optimised for RIDGID K9-306 FlexShaft® Systems
Precision-balanced to ensure smooth, high-speed rotation and maximum cleaning efficiency when paired with the K9-306 cable.
High-Impact Chain Cleaning Action
Produces rapid, forceful contact with pipe walls to remove:
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Heavy grease deposits
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Scale and mineral build-up
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Hardened sediment
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Organic waste
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Light root ingress
Superior Bend Navigation
Flexible design allows the chain to pass smoothly through bends, offsets, traps and junctions without losing cleaning power.
Professional-Grade Durability
Constructed from tough, wear-resistant materials capable of withstanding demanding daily use and high rotational friction.
Ideal for Medium to Large Pipe Diameters
Suitable for commercial kitchens, soil stacks, external drainage, long pipe runs and industrial wastewater systems.
Enhanced Cleaning Efficiency
Delivers more aggressive descaling than standard attachments, reducing job time and improving cleaning quality.
Benefits
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Fast removal of stubborn internal deposits
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Increases the performance and versatility of the K9-306 system
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Long-lasting, reliable component for professional drain cleaning
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Smooth movement through complex pipework
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Essential upgrade for drainage engineers and commercial maintenance teams




