Since 1922, BoreMaster portable line boring equipment has provided the shipbuilding, power generation, mining and off-road equipment industries with technically advanced solutions to their line boring requirements. We attribute our success to three things - innovative design, the superior rigidity of our equipment, and our commitment to complete customer satisfaction. Design BoreMaster from Machine Technologies is designed to be the most accurate, easy to use, and reliable portable line boring system available. We take advantage of the latest technological advancements to continually improve the BoreMaster's performance. Rigidity If asked what the key is to a successful field machining job, experienced machinists will invariably answer "Rigidity". Over the years BoreMaster's heavy-duty design has earned it the reputation as the most rigid portable line boring system available. 100% Customer Satisfaction When you purchase one of our line boring systems, an experienced BoreMaster representative will not only make sure you select the right machine for the job, but will guide you as you learn how to use your new BoreMaster. This is how we ensure that you'll get the most value from your new equipment BoreMaster is available in three sizes to accommodate every portable line boring application from repairing worn hinge pin bores on backhoes to boring spherical bearing surfaces in steam turbines. No matter what you're boring, there's a BoreMaster for you.