The RIDGID 535A-400 (29933) 3-Phase Automatic Chuck Pipe Threading Machine Only, 35/70 RPM, 1.8/2.3 HP, 400V, 3.5/5.1 A is an electric motor-driven machine that centers and chucks pipe, conduit and bolt stock, and rotates it while cutting, reaming and threading operations are performed (requires dies and die head, sold separately). The threading machine has an automatic chuck to grip and center pipe.

An integral oiling system is provided to flood the work with thread cutting oil during the threading operation. With proper optional equipment, the Model 535A Threading Machine can be used to thread larger pipe, short or close nipples, or be used for roll grooving.

The 400V three-phase machine can be operated at 35 or 70 RPM. This is controlled by the machine switch, which is marked 2-1-0-1-2: 0 is the OFF position, 1 is 35 rpm (Forward and Reverse), and 2 is 70 rpm (Forward and Reverse).

The 535A-400 (29933 Automatic Chuck Pipe Threading Machine maintains the ruggedness of the industry workhorse while adding the features that make the threading operation more productive. A large chip tray and oil reservoir make the Model 535A ideal for longer uninterrupted threading. The Model 535A is designed around maximum uptime with the upgrades that matter most to the pipe working professional.