Irwin Record 135 Series Heavy-duty Sash Clamp - 1200mm

The Irwin Record 135 Series Heavy-Duty Sash Clamps feature a durable bar section measuring 32 x 6m...

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OnBuy.comIrwin Record 135 Series Heavy-Duty Sash Clamp 5063750490427
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B&Q - Irwin Record 135 Series Heavy-Duty Sash Clamp Multi Colour (1200mm (48In) Capacity)
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Product Information

Full details

The Irwin Record 135 Series Heavy-Duty Sash Clamp is an essential tool for woodworking professionals and serious hobbyists who require reliable, high-pressure clamping for large-scale assembly projects. Engineered for durability, this clamp provides exceptional stability through its heavy-duty steel construction and unique upright standing capability. While its robust design ensures longevity and precise force application, users should note that the substantial weight of the 1200mm model may require careful handling during delicate alignment tasks.

All features

Model Part Number135
BrandIRWIN Record

Extended Product Information

FAQs

Can the 135 Series clamp be used for metalworking?

Yes, its heavy-duty steel construction is suitable for metal fabrication and welding assembly, provided the clamp is cleaned after use.

How do I ensure the clamp stays upright?

The clamp is designed with flat surfaces on the head and slide. Ensure the surface you are working on is flat to allow these surfaces to seat properly.

What is the maximum pressure capacity?

The clamp is designed for heavy-duty industrial use and is built to withstand high clamping pressures, though specific force ratings depend on the operator's torque application.

Is the steel bar rust-resistant?

The bar is made of raw or lightly finished steel. It is recommended to keep it lightly oiled if stored in a humid workshop to prevent rust.

Are the parts replaceable if damaged?

While the slides and heads are guaranteed unbreakable under normal use, components like the mainscrew can often be serviced if threads are damaged by misuse.

Troubleshooting

Mainscrew turns hard or feels gritty

Clean the threads with a wire brush to remove dried glue or debris, then apply a light coating of machine oil.

Sliding head does not lock into holes

Ensure there is no sawdust or debris inside the locating holes on the bar; clear them with compressed air or a pick.

Clamp bar shows slight bowing under pressure

While the 32 x 6mm bar is heavy-duty, ensure your workpieces are properly aligned; if bowing occurs, use more clamps distributed evenly to reduce stress on individual bars.

Pros and Cons

Pros

  • Extremely durable steel construction
  • Stands upright independently for easier assembly
  • Smooth operation of the main pressure screw
  • High-pressure resistance ensures square joins
  • Secure pin-locking mechanism prevents slippage

Cons

  • Heavy weight compared to aluminum bar clamps
  • Requires manual pin adjustment for gross length changes
  • Large size may be cumbersome for smaller workshop spaces

Setup, Compatibility & Care

To set up the clamp, ensure the steel pin is fully engaged in the desired hole before applying the mainscrew. For maintenance, keep the threaded mainscrew clean and apply a small amount of machine oil periodically to ensure smooth operation. Store the clamps in a dry environment to prevent surface oxidation on the steel bars. Avoid using excessive force beyond the capacity of the thread, and ensure the workpiece is centered to prevent uneven loading on the bar.

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