DEWALT DWANRRIR IMPACT CONNECT Nut Runner Attachment is a threaded rod nut runner accessory made for impact drivers. This is a nut runner attachment designed for running nuts on threaded rod in overhead support and suspension work. Model Number: DWANRRIR. It is aimed squarely at mechanical, electrical, and plumbing trades that spend real time installing trapeze systems, cable trays, and other suspended hardware where hand-running nuts slows the whole job down.

The big reason this attachment matters is speed. DEWALT rates it at up to 3 times faster than running nuts by hand, which is exactly the kind of gain that adds up fast when you are installing repeated supports across a room or an entire floor. Instead of burning time and energy spinning nuts manually, you let the impact driver do the work and keep moving.

This impact driver attachment is also built around access. The head rotates 360 degrees, so you are not stuck needing the perfect straight-on angle to reach the nut. In crowded overhead spaces with rod, strut, tray, conduit, and framing all competing for room, that flexibility is a real advantage. The split socket design also helps with trapped nuts, which matters on multi-level and trapeze systems where access can get awkward fast.

DEWALT did not build this as a one-size-fits-nothing accessory. The DWANRRIR covers 7 nut sizes and 4 rod sizes in one setup, with compatibility for 3/8 inch standard and heavy, 1/2 inch standard and heavy, 1/4 inch standard and heavy, and 5/8 inch standard threaded rod applications. The included inserts are 9/16 inch, 11/16 inch, 3/4 inch, and 7/8 inch, and DEWALT notes that 1/4 inch and 5/8 inch sizes are sold separately. That gives the tool useful range without turning it into a bulky specialty piece that only works for one task.

The quick-change brace system is another practical win. You can attach the nut runner to a compatible impact driver in seconds, then switch back to regular fastening without dragging out a different dedicated tool. For contractors already carrying an impact driver, that is the whole point: add nut-running capability without taking on another motorized platform to charge, store, and haul around.

On the durability side, the hardened steel gears are there for a reason. DEWALT backs the attachment with up to 100 lbs of lifting capacity, which tells you this is made for actual jobsite loading in threaded rod suspension work, not light bench-top assembly. The steel construction also makes sense for a tool that is going to see repetitive torque transfer, overhead use, and contact with metal hardware all day.

Compatibility is broad enough to make this more than a brand-only add-on. DEWALT positions it for use with 20V MAX impact drivers and also lists compatibility with select pro-grade 18V impact drivers from other brands. It is optimized for several DEWALT models including DCF840, DCF845, DCF850, DCF860 on setting 2, DCF870, DCF885, DCF887, and DCF888, with additional compatibility listed for select CRAFTSMAN, BOSCH, FLEX, KOBALT, MAKITA, METABO, and MILWAUKEE drivers.

Who should buy it? If you are an electrician hanging cable tray, an HVAC installer building threaded rod support systems, or a plumber working overhead suspension assemblies, this accessory makes a lot of sense. It is also a smart pickup for general contractors and commercial crews doing repetitive rod-based installs. If you rarely touch threaded rod, it is probably more specialty than you need. If threaded rod is part of your weekly work, the DEWALT DWANRRIR IMPACT CONNECT Nut Runner Attachment is the kind of accessory that saves enough time to justify itself quickly.

DEWALT DWANRRIR IMPACT CONNECT Nut Runner Attachment is a real time-saver for rod work

If threaded rod installs are part of your normal week, this is one of those accessories that earns its keep fast.

• Who it's for: Electricians, plumbers, HVAC installers, and commercial crews working overhead support systems, cable tray, and trapeze assemblies.
• Why it stands out: It turns a standard impact driver into a faster nut runner, gives you 360 degree access, and keeps you from carrying a separate dedicated tool for one specific task.
• Worth knowing: This is not a general-purpose impact accessory. It is a specialty solution for threaded rod work, and your driver, battery, and some size components are sold separately.

• What is this attachment used for? It is used to run nuts on threaded rod for overhead support and suspension applications such as trapeze systems, cable trays, and similar installations.
• Does it work with any impact driver? DEWALT states it works with DEWALT 20V MAX and select other pro-grade 18V impact drivers, with optimized performance on specific DEWALT models.
• How much load is it rated for? DEWALT lists a lifting capacity of up to 100 lbs under stated lab conditions.
• Can it reach tight spaces? Yes. The head rotates 360 degrees, and the split socket design helps access trapped nuts in tighter overhead layouts.