troubleshooting
Mag Drill Magnet Not Holding: What to Check First
If a mag drill shifts or lifts, stop the motor and keep the machine independently secured. Do not continue drilling while you diagnose the attachment. A magnet problem needs to be resolved before the next hole, even when the previous holes looked normal.
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Describe the failure before changing anything
Write down whether the base would not attach initially, slipped sideways during the cut, or lifted as pressure increased. Note the material, thickness, coating, orientation and cutter size. Those are different situations, and describing them accurately helps the manufacturer distinguish a setup problem from a machine fault.
Photograph the stationary setup only after it is safe. Include the full base footprint, nearby edges and the workpiece support. A close photograph of the switch alone cannot show whether the magnet had an appropriate mounting area.
Compare the actual job with the exact manual
Check the manual for permitted material, minimum thickness and mounting arrangements. The US Evolution S28MAG product page lists a 3/8-inch minimum plate thickness. That specification belongs to that model; it is not a general permission to use any mag drill on any 3/8-inch workpiece.
Hougen's HMD904 specifications illustrate why headline pull force needs context: the listed holding figures change with plate thickness and between standard and swivel bases. A large advertised number is not a field measurement of your setup.
- Identify the complete model and voltage from the machine label.
- Record the measured stock thickness rather than estimating it.
- Check whether the manual permits the surface shape and drilling orientation.
Inspect the exact Amazon offer
Check model, regional version, included accessories and current seller details before ordering.
Check AmazonWhen to stop troubleshooting
Visible base damage, recurring loss of attachment or any uncertain safety device calls for manufacturer support. Do not grind the base, bypass a sensor or improvise a mounting adapter because a general internet guide suggests it. Such changes can create additional problems while hiding the original cause.
Ask support a specific question: is this exact drill approved for this material, thickness, surface and orientation? If the answer requires an approved fixture, obtain the fixture instructions before proceeding. If the attachment cannot be confirmed, use a different documented workholding method or machine.
Questions, answered
Does a safety chain fix a weak magnet?
No. It is a secondary restraint, not a substitute for an acceptable mounting setup.
Should I replace the drill immediately?
First establish whether the job meets its documented limits. A new drill with the same limitations may face the same problem.

