TheSaac

The FlexArm GH-60 can tap holes anywhere from 3/8 of an inch all the way up to 2 inches in mild steel. But as you can see here, it can easily chase threads up to 3 inches! It can generate torque of up to 811 ft/lbs and has a reach of 20-84 inches! For more information, check out https://flexmachinetools.com/our-products/flexarm/tapping-arm/