Profile: Portsmouth Diamond Drilling is a provider of drilling and cutting services. Our stitch drilling is coring a series of interlocking holes around the perimeter to form an opening. Our coring trailer can be used to take core samples in roads, motorway safety fencing, installation of street furniture and other applications. Our ring sawing is a hand held hydraulic saw that is capable of a cutting depth of 250 mm from one side. Our Brokk is a remotely controlled tracked machine robot that offers safer methods of demolition, and has the ability to reduce the time it takes to safely remove walls, floors, staircases, and other structures to crush.