Stanley Hand Tools Fatmax Clutch Lock F-Clamp - 800mm

The Stanley Tools FatMax Clutch Lock F-Clamps feature a robust cast iron body for superior strengt...

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OnBuy.comStanley Hand Tools Fatmax Clutch Lock F-Clamp 5063806045748
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B&Q - Stanley Hand Tools Fatmax Clutch Lock F-Clamp Multi Colour (800mm)
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Product Information

Full details

The Stanley FatMax Clutch Lock F-Clamp is designed for woodworkers, metalworkers, and DIY enthusiasts who require reliable, high-force clamping for large-scale projects. Its standout feature is the precision clutch lock mechanism that prevents accidental slippage, offering professional-grade stability for heavy-duty tasks. Users should note, however, that due to its robust cast iron build, the clamp carries significant weight, which may require adjustment when managing multiple setups on vertical surfaces.

All features

BrandSTANLEY Hand Tools

Extended Product Information

FAQs

What is the maximum capacity of this clamp?

This model features a clamping capacity of 800mm, making it ideal for large furniture and board projects.

Can these be used for welding?

The cast iron body is durable, but avoid applying direct heat or weld splatter to the soft protective pads to ensure they remain intact.

Will these leave marks on soft wood?

No, the clamp is equipped with soft, non-marring soles specifically designed to protect delicate surfaces.

Is the handle replaceable?

The ergonomic handle is integrated for durability; if damaged, ensure you check for official replacement parts or contact Stanley support.

How do I ensure the clutch lock is engaged?

Slide the jaw to the workpiece and apply a slight turn on the handle; the clutch plates should automatically bite into the steel bar.

Troubleshooting

The sliding jaw is stuck or won't move

Clean the bar thoroughly and ensure the clutch plates are not jammed with debris. Inspect the spring inside the clutch mechanism.

Clamp slips under pressure

Ensure the jaw pads are clean and not oily. Check that the steel bar is free of lubricants that may cause the clutch to lose its bite.

Pros and Cons

Pros

  • High-clamping force suitable for heavy-duty projects
  • Clutch mechanism eliminates unexpected slippage
  • Durable cast iron and steel construction
  • Non-marring pads protect sensitive materials

Cons

  • Heavier than standard plastic or lightweight aluminum alternatives
  • The 800mm length may be bulky for smaller shop environments
  • Requires manual adjustment for rapid capacity changes

Setup, Compatibility & Care

To ensure the longevity of your FatMax clamp, keep the sliding jaw and the steel rail clean of debris, such as wood chips or metal filings, which can interfere with the clutch mechanism.

  • Storage: Hang the clamps vertically in your shop to prevent the bars from bending over time and to keep them organized.
  • Maintenance: Periodically apply a light machine oil to the threaded spindle to ensure smooth tightening action.
  • Safety: Always ensure the clutch is fully engaged before applying maximum torque to avoid sudden slippage.

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