New self supporting termination upto 170kV 2500sqmm cable. This can be assembled safely on the ground and lifted into the final position after jointing. The whole process saves civil work and is a safer process.
To drill a square or rectangular hole, score the material with a scribing iron or a sharp pencil, then punch one or more drill holes right next to each other depending on the required size and drill them out.
You are best using our step drill, which is specially designed for the combitech® dimensions, and afterwards file off the corners with a rectangular file.
More information: https://products.alfer.com