Irwin Quick Grip Heavy Duty Bar Clamp - 300mm - 12 Inch - Q/GXP12N

The IRWIN Quick-Grip Xtreme Pressure Clamps feature a one-handed operation design and provide a su...

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B&QB&Q - Quick Grip Q/gxp12N Heavy Duty 300mm 12 Inch Bar Clamps Xp Xtreme Pressure
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Product Information

Full details

The Irwin Quick Grip Xtreme Pressure Clamp is designed for professional woodworkers and serious DIY enthusiasts who require reliable, high-force clamping for heavy-duty assembly and gluing tasks. Its primary strength lies in its 250kg of clamping force and a versatile one-handed operation system that allows for quick transitions between clamping and spreading. While this 300mm model is exceptionally durable and stable, users should note that the robust construction adds weight compared to lightweight hobbyist clamps, which may affect fatigue during prolonged high-volume use.

All features

Model Part NumberQ/GXP12N
BrandIrwin

Extended Product Information

FAQs

Can this clamp be used as a spreader?

Yes, it features a tool-free Quick-Change mechanism that allows you to reverse the jaw and convert it into a spreader.

What is the maximum capacity of this model?

This specific model (Q/GXP12N) has a 300mm (12 inch) clamping capacity.

Are the jaw pads replaceable?

The swivelling jaw pads are designed for durability, but should they be damaged, they are fitted to handle irregular surfaces effectively. Check with your local supplier for replacement parts.

How much force can this clamp apply?

It provides a maximum clamping force of 250kg.

Does it require two hands to operate?

No, it is specifically designed for one-handed operation, allowing you to control the clamp and your workpiece simultaneously.

Troubleshooting

The sliding jaw is stuck and will not move along the bar.

Inspect the bar for dried glue or sawdust buildup. Clean the bar with a stiff brush or a damp cloth and ensure the release trigger is fully depressed.

The clamp loses pressure during a glue-up.

Ensure the release trigger is fully returned to its resting position. If the pressure continues to drop, check that the jaw faces are square to the workpiece and not slipping due to debris.

Pros and Cons

Pros

  • High clamping force of 250kg
  • Versatile conversion to spreader without tools
  • Swivelling jaws adapt to uneven surfaces
  • Hands-free bar rest for easier alignment
  • Durable build quality for long-term reliability

Cons

  • Heavier than standard light-duty plastic clamps
  • Limited to a 300mm clamping capacity
  • Requires significant grip strength to hit maximum pressure

Setup, Compatibility & Care

To maximize the lifespan of your Q/GXP12N clamp, ensure the steel bar remains free of excess wood glue or debris, as buildup can interfere with the sliding mechanism.

  1. Spreading Mode: To convert, press the Quick-Change release button near the fixed jaw to slide it off, then reattach it to the opposite end of the bar.
  2. Maintenance: Periodically wipe the bar with a dry cloth. Avoid applying oil or grease, as this can cause the sliding mechanism to slip under load.
  3. Storage: Store in a hanging position or flat on a shelf, ensuring the trigger mechanism is not being depressed by other tools to maintain spring tension.

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