With our Controlled Bolting service we offer a full range of tension and torque units for special bolting requirements. Hydraulic Bolt Tightening BOLTING EQUIPMENT: Bolt tensioners from 7/8″ to special order Hytorc Bolt Torque Equipment Hydraulic nuts with temp rating above 750oC at 70 MPA Hydro-nuts for: Mining & Quarrying Oil drilling Marine Power generation … Continue reading Controlled Bolting