A1: For your reference, around 15-20 minutes.

Q2: What’s the centre hole size of saw blade?

A2: 35mm.

Q3: How long could the machine be used?

A3: Normally speaking, around 7-8 year will be no problem.

Q4: How long could it cut for one saw blade?

A4: For your reference, it depends on different materials.
      If for brick wall, one saw blade could cut around 500 meters
      If for concrete wall, one saw blade could cut around 300 meters.
      If for concrete wall with steel, one saw blade could cut around 100 meters.

Q5: What is the warranty policy?

A5: The warranty period is one year and the parts are provided free of charge within the warranty period. If there is any quality problem, we can send engineers to the customer's place. We can provide Internet or telephone service at any time.