What is the difference between perforated and slotted brakes?

Brake rotors are a fundamental part of a vehicle's braking system. It's a simple system, but made up of many different parts. The driver applies the brakes by depressing the brake pedal, which signals the rest of the braking…

Brake rotors are a fundamental part of a vehicle's braking system. It's a simple system, but made up of many different parts. The driver applies the brakes by depressing the brake pedal, which signals the rest of the braking system, located next to the tires. The brake disc is what the brake pad grips when the driver applies the brakes. The two main types of brakes are drilled and slotted.

What are the differences?

• Perforated brake discs:

  • Drill holes in them to remove heat and accumulate gas.
  • They are considered to be better for driving in wet conditions as they provide better water drainage and are less prone to rust.

• Slotted brake discs:

  • Make slots in the rotor, but not completely.
  • They are stronger and less likely to break.

The rotors on a vehicle last an average of 30,000 to 70,000 miles. A licensed mechanic can evaluate the rotors and advise you on their condition. They do not need to be changed as often as brake pads, but should be replaced in pairs.