Clamp Knobs and Washers: Specifications and Replacements

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Keeping your Cyclone Rake's engine securely attached is essential for safe operation. The engine clamp knobs and their rubber washers play a crucial role in this. Here's what you need to know about these important components.

Engine Clamp Knob Specifications

The threading on the engine clamp knobs is:

  • 3/8" round thread

  • 16 threads per inch (3/8"-16)

  • 1Β½ inches in shank length

Rubber Washers for Engine Clamp Knobs

Why Are Rubber Washers Important?

The rubber washers on your engine clamp knobs serve an essential purpose:

  • They absorb vibrations from the blower unit

  • They help ensure the knobs stay tightly screwed down during operation

  • They prevent the knobs from loosening and potentially getting lost

Replacement Options

While we don't sell the rubber washers separately:

  • The Everbilt 3/8 in. x 21/32 in. Rubber Flat Washers from Home Depot are fully compatible

  • These can be found in most hardware stores or online retailers

  • Look for 3/8" inner diameter rubber washers if you can't find the exact Everbilt brand

Top Brace and Roof Rack Clamp Knob Specifications

If you need to replace the knobs for your Roof Rack or Top Brace:

  • Both use 1/4"-20 thread size knobs

  • These are standard sizes available at most hardware stores

Be sure to install all washers properly to keep your equipment running smoothly and safely.

Have Questions? We're Here to Help! Our team is always happy to assist. Whether you'd like to call, schedule a callback, or send us a message through our Contact Us form, we're ready to help!