A1: Yes, as an optional spare part, length 200mm, if need longer, could be customized according to your QTY.

Q2: What’s the range of the drill bits?

 A2: Diameter from 16mm to 600mm, length mostly are 350mm, some are 450mm.

Q3: What’s the size of machine drill bits connector ?

A3: Diameter 16mm-350mm the connector is M22, if 400mm-600mm, is M32.

Q4: What about the water pump?

A4: Machine standard equipped with electric water pump and tube, if you prefer some hand pressure water bucket, could be customized for you.

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.