Controlled bolting tools BOLTING
Hydraulic torque wrenches, tensioners and impact sockets for the precise, safe and repeatable tightening of flanges and critical bolted connections.
- Certified, repeatable torque
- Hydraulic, pneumatic and electric solutions
- Maucotools technical support and spare parts

The product families
Select a family to view all models and full specifications.
MT-HTW hydraulic wrenches
Controlled bolting up to 136,000 Nm, square drive, ±3% repeatability.
12
Models
136
kNm max
±3%
Repeatability
MT-IS impact sockets
High-strength alloy steel impact sockets, drives from 3/8" to 3.1/2".
8
Drives
235
mm max
Cr-Mo
Steel
MT-BT · MT-BTS · MT-SST hydraulic bolt tensioners
Pure axial preload with no torsion, from M20 to M150: topside, spring return and stainless subsea, up to 4,754 kN at 1,500 bar.
3
Series
4754
kN max
1500
bar
Controlled bolting, from A to Z
From torque selection to the power pack and on to the sockets, Maucotools supplies the complete bolting system and the support to put it into service.
Calibrated and certified tools, ready for the most demanding environments in Oil & Gas, power generation and heavy industry.




How much torque do you need?
Estimate the tightening torque for your bolt and size the right tool with our calculator.
Indicative value — not a tightening specification.
Where bolting works
Controlled bolting of flanges and critical connections in the most demanding sectors.




Need help choosing?
Tell us about your application: we'll recommend the right torque, model and accessories.