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The RIDGID TOOLS 39187 is a ratchet ring adapter designed to extend the functionality of compatible portable power drive units. This adapter connects to the drive mechanism and allows ratcheting motion for threading operations in confined or awkward spaces where continuous rotation is not practical. Plumbers and pipefitters are the primary installers, typically using this adapter as part of a threading setup on jobsites requiring portable, powered pipe threading. The 39187 is a purpose-built accessory component, not a standalone tool.
This adapter is suited for use in plumbing and mechanical contracting applications where portable pipe threading is performed in the field. It is intended for use with the 690 Portable Power Drive series, making it applicable to residential and light commercial pipe threading work. The adapter supports threading operations in tight installation environments where a direct-drive approach is not feasible.
Designed for use with 690 Portable Power Drives.
Installation and use should be performed by a licensed plumber or pipefitter familiar with portable pipe threading equipment. Ensure the power drive unit is fully powered down and unplugged before attaching or removing the adapter. Verify the adapter is fully seated and secured to the drive unit before beginning any threading operation. Follow all applicable jobsite safety procedures when operating powered threading equipment.
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