Why does my drill stop spinning?

Why does my drill stop spinning? - Fix It Cape Town

Drills are essential tools for both professionals and DIY enthusiasts, allowing us to complete various tasks with ease. However, it can be frustrating when a drill suddenly stops spinning during use. There are several potential reasons for this issue, ranging from power problems to mechanical failures. In this article, we will explore these possibilities to help you diagnose and resolve the problem efficiently.

Power Issues

Power-related problems are often the primary cause of a drill’s sudden loss of spin. Here are some potential power-related reasons why this may occur:

  1. Drained or Faulty Battery: If you’re using a cordless drill, a drained or faulty battery could be the culprit. Ensure that the battery is fully charged and properly inserted into the drill. If the battery doesn’t hold a charge or is damaged, consider replacing it.

  2. Power Cord Connection: For corded drills, check the power cord connection. Ensure that it is securely plugged into a viable power source. A loose connection can disrupt the power flow and cause the drill to stop spinning.

  3. Tripped Circuit Breaker: If you’re experiencing power issues throughout your entire workspace, check the circuit breaker. A tripped breaker can cut off the power supply to your drill. Locate the breaker box and reset it if necessary.

  4. Overloaded Power Supply: Heavy-duty drilling tasks may require more power than your power supply can handle. This can cause the drill to stop spinning. Consider using a different power outlet or distributing the load across multiple outlets.

Mechanical Problems

Mechanical issues can also contribute to a drill’s failure to spin. Here are some potential mechanical reasons why your drill may stop spinning:

  1. Clogged or Worn-out Brushes: Electric drills utilize brushes to transfer electrical current to the armature, which is responsible for spinning the drill bit. Over time, these brushes can become clogged with debris or worn out. Clean or replace the brushes if necessary.

  2. Gear Damage or Misalignment: Drills have gears that transmit power from the motor to the chuck. If these gears become damaged or misaligned, the drill may stop spinning. Inspect the gears for any signs of wear, damage, or misalignment. If necessary, consult a professional for Repairs or replacement.

  3. Chuck Issues: The chuck is responsible for holding the drill bit in place. If the chuck is not tightly secured, it can slip, causing the drill to stop spinning. Make sure to properly tighten the chuck to prevent this issue. Additionally, check for any debris or obstructions that may be preventing the chuck from functioning correctly.

  4. Motor Problems: The motor is the heart of a drill, and any issues with it can result in the drill’s failure to spin. Overheating, worn-out components, or a motor nearing the end of its lifespan can all contribute to this problem. If you suspect a motor issue, it’s best to seek professional assistance.


Q: How can I prevent my drill from stopping during use?

A: Regularly maintain your drill by cleaning it, checking the brushes, and lubricating moving parts as necessary. Additionally, ensure you are using the correct drill bit for the job to prevent unnecessary strain on the motor.

Q: Can a drill stop spinning due to operator error?

A: Yes, operator error can sometimes lead to a drill’s failure to spin. Applying excessive pressure or using the wrong technique can overload the drill, causing it to stop spinning. Use the appropriate drill bit, apply steady but not excessive pressure, and allow the drill to do the work.

Q: Is it possible to repair a drill with a failing motor?

A: While some minor motor issues can be repaired, significant motor problems often require professional assistance or replacement of the entire motor unit. Consult a professional to determine the best course of action.


When your drill stops spinning during use, it can be frustrating and hinder your progress on a project. By understanding the potential reasons behind this issue, you can quickly diagnose and resolve the problem. Whether it’s a power-related concern or a mechanical failure, the key is to be vigilant and address these issues promptly to keep your drill in optimum working condition. Remember to always consult a professional if you’re unsure about any repairs or replacements, as they have the expertise to ensure your drill operates safely and efficiently.

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