PTM-72 tools use the same 'twin motor' handle as the PTM-52 but fitted with a durable 72mm gearbox to allow higher torque outputs. The 'twin motor' concept gives the benefit of high run-down speeds while adding very little to the size and weight of the tool.
Also available as Internal and External Control Shut-Off tools.
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Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas:
Norbar Torque Tools Inc. 36400 Biltmore Place, Willoughby, Ohio 44094, USA