HTL Group OEM Controlled Bolting Product portfolio is a comprehensive range of high quality,British made Bolting Products which include Hydraulic Torque Wrenches, Hydraulic Power Pack,Hydraulic Bolt Tensioners , Subsea Bolt Tensioners, Hydraulic Nut Splitters, Electrical and Pneumatic Pumps, Calibration – Training Rigs, Bolt Meter – Bolt Tension Monitor, Hydraulic Flange Spreaders, Flange Alignment Tools, Joint Integrity Software..