Rolson Fine Thread G Clamp - 150mm

The Rolson 150mm Fine Thread G Clamp is designed for accurate adjustment and secure hold. It featu...

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eBayRolson 50mm Fine Thread G Clamp
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OnBuy.comRolson 14202 50Mm Fine Thread G Clamp
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Rapid Online - Rapid Electronics Ltd.Rolson 14202 50mm Fine Thread G Clamp
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AmazonRolson 14204 Fine Thread G-Clamp, 100 mm
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Product Information

Full details

The Rolson 150mm Fine Thread G Clamp is an essential tool for woodworkers, metalworkers, and DIY enthusiasts who require reliable, high-pressure clamping for assembly and adhesive projects. Its key benefit lies in the precision of the fine thread mechanism, which allows for incremental pressure adjustments to protect delicate materials; however, users should note that the 150mm size is specifically designed for deeper reach, which may be overkill for smaller, lighter hobbyist tasks.

All features

Model Part Number14206
BrandRolson

Extended Product Information

FAQs

What is the maximum opening capacity?

This model is designed for a 150mm reach, meaning it can accommodate workpieces up to 150mm in thickness.

Can this be used for welding?

Yes, the cast iron construction is suitable for welding applications as it is heat-resistant, unlike plastic clamps.

How do I prevent marring on soft wood?

We recommend placing a small scrap piece of wood or a leather pad between the clamp shoe and your project surface.

Is this clamp rust-proof?

It is rust-resistant due to the chrome plating, but it should be stored in a dry area and wiped down after exposure to moisture.

Does Rolson offer different sizes?

Yes, this series is available in 50mm, 75mm, 100mm, and 150mm variations.

Troubleshooting

The clamp screw feels gritty or stiff

Clean the threads with a wire brush to remove debris and apply a thin layer of light machine oil.

The swivel shoe has fallen off

The shoe is designed to snap back onto the ball-end of the screw. If it is loose, check that the retaining lip is not deformed and press firmly to re-seat.

Clamp loses pressure over time

Ensure that the workpiece is not vibrating loose and that the clamp frame is not being flexed beyond its capacity.

Pros and Cons

Pros

  • Durable cast iron construction
  • Precise pressure control via fine thread
  • Excellent reach for large projects
  • Resistant to oxidation and wear
  • Secure, stable grip on irregular surfaces

Cons

  • Heavier than aluminum alternatives
  • Not intended for rapid-release applications
  • Requires manual adjustment for every operation

Setup, Compatibility & Care

Operating the clamp is straightforward: open the jaw by turning the T-bar handle counter-clockwise until the opening exceeds the thickness of the materials being joined. Position the clamp and tighten manually until snug. Avoid using cheater bars or pliers on the T-bar handle, as this can over-torque and potentially snap the screw. To maintain the tool, keep the screw threads lightly lubricated with a machine oil to ensure smooth movement. Regularly inspect the frame for hairline fractures and keep the threads clear of metal shavings or wood debris.

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