Q: How does the on/off clamping work?
Turn the knob to align the two rare-earth magnets inside these magnetic clamps, which clamps the unit to any ferrous surface; turning it the other way counteracts the magnets for instant release.
03J7595 - 20mm Mag-Jig
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These ingenious clamps each contain two powerful rare-earth magnets. With the knob turned to the "on" position, the magnets align and cling to any ferrous surface. In the "off" position, the magnets counteract each other to release the clamp for removal or repositioning. The instant on/off toggle makes them ideal for custom jigs and fixtures.
They are available with either 20mm or 30mm magnets that exert 95 lb and 150 lb of force respectively. They have aluminum bodies with rubber-coated knobs for grip. The 20mm size mounts in a 1 3/16" hole, while the 30mm jig requires a 1 5/8" hole. Both install in material 3/4" thick.
An excellent alternative to traditional clamping methods.
Turn the knob to align the two rare-earth magnets inside these magnetic clamps, which clamps the unit to any ferrous surface; turning it the other way counteracts the magnets for instant release.
The 30mm clamp holds with 150 lb of force and needs a 1 5/8" mounting hole, while the 20mm clamp holds 95 lb and fits a smaller 1 3/16" hole; choose the 30mm for heavier jigs and fixtures.
Both sizes are designed to install in material 3/4" thick.
Yes, turning the knob to the off position releases the magnetic hold instantly, so the clamp can be pulled out and repositioned as needed.
| Materials | Aluminum body; rubber-coated knob |
| Dimensions | 20mm: mounts in 1 3/16" hole; 30mm: mounts in 1 5/8" hole |
| Compatibility | Installs in material 3/4" thick; mounts to any ferrous surface |
| Capacity | 20mm: Maximum 95 lb holding force; 30mm: Maximum 150 lb holding force |
| Includes | Magnetic clamp |
| Package Quantity | 1 item |
| Warranty | Lee Valley Satisfaction Guarantee |
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Mag-Jig Magnetic Clamps
These ingenious clamps each contain two powerful rare-earth magnets. With the knob turned to the "on" position, the magnets align and cling to any ferrous surface. In the "off" position, the magnets counteract each other to release the clamp for removal or repositioning. The instant on/off toggle makes them ideal for custom jigs and fixtures.
They are available with either 20mm or 30mm magnets that exert 95 lb and 150 lb of force respectively. They have aluminum bodies with rubber-coated knobs for grip. The 20mm size mounts in a 1 3/16" hole, while the 30mm jig requires a 1 5/8" hole. Both install in material 3/4" thick.
An excellent alternative to traditional clamping methods.
Choose an option to view item availability.
Choose an option to view item availability.
Choose an option to view item availability.
