Standard DTI FAQs
Recommended Wrench Capacity and Make:
From our experience, the following table of minimum and maximum torques are applicable for the bolt sizes and grades shown. Wrench capacities shown are from the individual wrench manufacturers. Wrench capacity is highly dependent on condition, air supply, hose length, etc., and may vary from that shown by a wide margin. On larger bolts, impact tools are often used for fast run-down and then HYDRAULIC tools are used for final tightening. TorcUp makes a very good line of hydraulic tools easily capable of 58000 ft-lb. torque.
View Chart
Download and Print Torque Chart (.pdf)
Note: All impact tools reach their rated working torque range in 5-6 seconds of hammering time. The longer the tool dwells the more damage to the hammer parts occurs.
To reach a very knowledgeable bolt tightening tool person, you are invited to call or email John Greig at - 1-800-663-6344 or email
