Q1: What the size on the machine house stands for? A1: It stands for the inner diameter of pipe. RA1, RA2, RA3 indicates in both the metric and the imperial. Q2: What is the max.Outer diameter of pipe I can insert? A2: Please refer to the hole diameter data. You can insert the pipe diameter smaller than hole diameter (at least 1mm).
Q3: What is the hardness of the RA pipe notcher inner cutter? A3: The inner cutter hardness between HRC46-50. The tube notcher RA5 is used for arc port cutting, and is easy for jointing. The manually operated tube notcher can be used both vertically and horizontally and features light weight and easy operation.