RIDGID R7122 9 Amp Corded 1/2 in. Spade Handle Mud Mixer Drill with Keyed Chuck and Variable Speed Control

Condition: Used; shows noticeable cosmetic wear, scuffs, dirt, finish loss, and label wear from prior jobsite use.

Description

The RIDGID R7122 is a heavy-duty corded 1/2 in. spade handle mud mixer/drill built for high-torque drilling and material mixing. Factory specifications identify it as a 120V, 60 Hz, 9.0A tool with a 1/2 in. keyed chuck and a variable no-load speed range of 0-600 RPM. RIDGID markets this model as a mud mixer with all-metal or hardened steel gearing for durability in demanding mixing and drilling work, and the operator documentation notes a reversible, variable-speed design with lock-on capability for extended operation.

This example is suited for contractors, maintenance departments, drywall crews, remodelers, and general construction users who need a low-speed, high-torque corded tool for mortar, drywall mud, thinset, paint, adhesives, or large-hole drilling in wood and similar materials. The rear spade/D-handle format gives better leverage than a standard pistol-grip drill when torque loads rise.

Features

• Model: RIDGID R7122
• Tool type: Corded 1/2 in. spade handle mud mixer / drill
• Power supply: 120V AC, 60 Hz
• Current draw: 9.0A
• Chuck capacity: 1/2 in. (13 mm)
• Chuck type: Keyed chuck
• No-load speed: 0-600 RPM
• Switch type: Variable speed / reversible
• Torque: 590 in-lbs per operator manual snippet
• Handle style: Rear spade handle plus auxiliary handle provision / 3-position auxiliary handle design in original configuration
• Lock-on button: Yes
• Geartrain: Hardened steel / all-metal gears for high-torque durability
• Double insulated construction indicated by symbol on label/manual family
• Original included accessories from factory: auxiliary handle, chuck key, key strap, operator’s manual

Uses and Applications

• Mixing drywall joint compound
• Mixing mortar, grout, thinset, plaster, and similar compounds
• Mixing paint, coatings, and adhesives where appropriate paddle accessories are used
• Drilling large-diameter holes in wood with hole saws or self-feed bits
• Rough-in work in carpentry, remodeling, framing, and general construction
• Maintenance shop use where a corded low-speed high-torque drill is preferred

What Is Included / Observed

The sale appears to include:

• RIDGID R7122 mixer/drill
• Attached power cord
• Chuck key

Cross-Referenced Models

These are closely related RIDGID spade-handle / mud-mixer family models often associated with similar tool form factors or adjacent generations, though they are not identical substitutes in every case:

• RIDGID R7120 – 1/2 in. spade handle drill family reference
• RIDGID R7121 – 1/2 in. spade handle drill family reference
• RIDGID R7130 – related RIDGID drill family listing reference

Comparable Products

Comparable corded mixing/drilling tools in the same general category include:

• Milwaukee Hole Hawg style right-angle and high-torque drills
• DeWalt spade-handle or mixing drills
• Makita variable-speed mixing drills
• Bosch heavy-duty mixing drills
• Metabo mud mixers and low-speed drill mixers

These comparables serve similar jobsite roles where low-speed, high-torque mixing or drilling is required, though handle layout, speed range, torque, and accessory compatibility vary by model.

Assembly / System Role

This tool functions as a standalone portable power tool, but it is also part of a broader jobsite mixing and drilling setup. It is commonly paired with:

• Mixing paddles for mud, mortar, grout, thinset, and coatings
• Hole saws and self-feed bits for carpentry and rough-in drilling
• Extension cords rated for 9A tool loads
• Replacement keyed chucks, chuck keys, brushes, and handles as service parts

In drywall and masonry workflows, it commonly serves as the drive unit for paddle mixing before compound or mortar is transferred to pans, hawks, buckets, pumps, or application tools.

Serial / Code Information

The label in the photo shows CS13036D beneath the warning icons. This appears to be a manufacturing, batch, or serial-style identification code rather than the model number. The model number is clearly R7122. A public manufacturer decoding guide for the full meaning of CS13036D was not located in the sources reviewed, so it is best described as an internal production/traceability code. The tool label also confirms 120V ~ 60 Hz, 1/2 in. (13 mm), 9.0A, no 0-600/min.

Pros

• Corded power avoids battery downtime
• Low-speed high-torque setup is well suited for mixing
• 1/2 in. keyed chuck supports heavier-duty accessories
• Variable speed and reverse improve control
• All-metal / hardened steel gearing supports demanding work

Cons

• Heavier and bulkier than a standard drill
• Requires corded power access
• Used condition with visible wear
• Auxiliary handle appears absent
• Keyed chuck is slower to change than keyless systems

Related

RIDGID R7122 mud mixer drill, 1/2 inch spade handle drill, corded mixing drill, drywall mud mixer, mortar mixing drill, thinset paddle drill, 9 amp construction drill, low speed high torque drill, keyed chuck mixer drill, reversible spade handle drill, plaster mixer, grout mixer drill, compound mixing tool, paint mixing drill, contractor mixing drill, jobsite corded drill, heavy duty paddle mixer, electric mud mixer, tool for mixing drywall compound, device for mixing mortar and adhesives

Common Requests:

• RIDGID R7122 9 amp 1/2 inch mud mixer drill used with chuck key
• replacement auxiliary handle for RIDGID R7122 spade handle mud mixer
• RIDGID R7122 variable speed reversible corded mixer drill specs
• 1/2 inch keyed chuck mud mixer drill for drywall mud and thinset
• heavy duty corded spade handle drill comparable to RIDGID R7122

P127; B019