It is the thickness of brake pads when they are new form factory.
Just buy new brake pads.
It depends on the vehicle type, but generally - when your brake pad thickness is 2 mm it is time to change the brake pad.
It depends if 4 WD or just FWD and what year model Generally: FRONT: Brake pad minimum thickness 3.0 mm (0.118 inch) Brake pad maximum taper wear (in any direction) 3.0 mm (0.118 inch) Brake disc minimum thickness (disc-drum system) 22 mm (0.866 inch) Brake disc minimum thickness (4-wheel disc brake system) 24 mm (0.944 inch) REAR: Brake Pad Brake pad minimum thickness 3.0 mm (0.118 inch) Brake pad maximum taper wear (in any direction) 3.0 mm (0.118 inch) Brake Disc Brake disc minimum thickness 11.0 mm (0.433 inch)
The Mazda 3 is 2mm, probably the same - 2mm
a pure new note pad thickness is 10-15cm, see what is the brand of the note pad
about 5mm then after that they will get hot and squeak
11mm according to Bentley Manual
A new brake pad and new drums together will cost about 250 dollars or somewhere in that neighborhood. It depends on different brake pad and drum brands.
3mm
For a 2012 Honda Accord, new brake pads typically have a thickness of around 10 to 12 millimeters. It's important to regularly check the thickness of your brake pads, as they should be replaced when they wear down to about 3 millimeters to ensure optimal braking performance and safety. Always consult your vehicle's manual or a professional for specific recommendations.
Carefully pry pad wear sensor from brake pad. Then insert brake pad wear sensor into cutout in new pad where applicable.