When you begin repairing your toilet, you may find that some of the bolts have rust or corrosion. The most common bolts are the hold down bolts that secure the toilet to the floor, the tank bolts that secure the tank to the toilet bowl and the seat retaining bolts. You must use care when removing corroded bolts from the toilet to avoid breaking the porcelain. You will need to cut off corroded bolts.
- Skill level:
- Moderately Easy
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Things you need
- Stiff brush
- Duct tape
- Dremel tool
- #420 cut-off wheel or EZ456 cut-off wheel
- Utility hacksaw
Clean away loose rust on the bolt and nut with a stiff brush. Wipe the porcelain surface around the bolt with a cloth. Place tape on the porcelain surface to protect the toilet from scratches.
Attach the 420 cut-off wheel or EZ456 cut-off wheel to your Dremel tool. Hold the tool near the bolt and press the power trigger.
Begin cutting through the bolt under the bottom edge of the nut. Allow the tool to cut through the bolt with steady pressure, but do not force the tool. If possible, work in a direction side to side to avoid accidentally hitting the toilet porcelain with the cut-off wheel.
Remove as much surface corrosion as possible from the bolt with a stiff brush and clean the area around the bolt. Place duct tape on the porcelain surface around the bolt to prevent scratching the toilet finish.
Manoeuvre the blade of a utility hacksaw between the toilet and the bottom of the nut. A utility hacksaw is a small handle hacksaw that secures the blade in the handle instead of on both ends.
Move the hacksaw blade back and forth across the bolt, cutting through the bolt with steady pressure. You do not need to force the blade; toilet bolts are made of soft density brass and the hacksaw blade will cut through with little difficulty.
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