milwaukeetool

When you're drilling in tight spaces like crawlspaces, attics, or between studs, a standard drill often won't fit. That's where the Milwaukee Hole Hawg right-angle drill comes in. For decades, the Hole Hawg has been the go-to tool for plumbers and electricians who need brute torque and a compact form factor to bore large holes through wood, metal, and masonry. Today, Milwaukee offers two cordless versions: the M18 FUEL Hole Hawg and the M12 FUEL Hole Hawg. Both are designed to tackle demanding applications, but they cater to different needs and budgets.

In this head-to-head comparison, we'll break down the key differences between the M18 FUEL and M12 FUEL Hole Hawg, including power, speed, battery life, weight, and real-world performance for plumbing and electrical tasks. Whether you're a professional contractor or a serious DIYer, this guide will help you decide which right-angle drill deserves a spot in your toolbox.

Power and Torque: M18 FUEL Delivers the Muscle

The M18 FUEL Hole Hawg is the heavyweight champion of right-angle drills. Powered by Milwaukee's M18 system, it delivers up to 1,200 in-lbs of torque, making it capable of boring through dense lumber, concrete, and even steel studs with ease. Its PowerState brushless motor and RedLink Plus intelligence ensure that the drill maintains peak performance under heavy load. For plumbers running 1-inch or larger holes through floor joists, or electricians drilling through stacked studs, the M18 FUEL Hole Hawg provides the relentless power needed to get the job done quickly without bogging down.

In contrast, the M12 FUEL Hole Hawg is a more compact and lightweight option. It delivers up to 300 in-lbs of torque, which is ample for smaller diameter holes (up to about 1 inch) in wood and drywall. While it can handle light metal drilling with the right bit, it's not designed for heavy concrete or thick steel. The M12 model is ideal for tasks like running low-voltage wiring, drilling pilot holes, or working in extremely confined spaces where every ounce of weight matters. For most residential plumbing and electrical work, the M12 FUEL Hole Hawg offers sufficient power while being much easier to maneuver.

• Tip: If you frequently drill into pressure-treated lumber or LVL beams, the M18 FUEL's extra torque will save you time and frustration.

Speed and Control: Variable Speed Triggers and Lock-On Features

Both the M18 FUEL and M12 FUEL Hole Hawg feature Milwaukee's variable speed trigger, allowing you to start slow for precise alignment and then ramp up speed as needed. The M18 model offers two speed ranges: 0-450 RPM in low gear for high-torque drilling, and 0-1,700 RPM in high gear for faster drilling in softer materials. The M12 model has a single speed range of 0-750 RPM, which strikes a balance between torque and speed for most common applications.

A standout feature on both drills is the lock-on button, which lets you maintain continuous operation without holding the trigger. This is a huge advantage when you're drilling multiple holes in a row or need to use both hands to steady the drill. Additionally, both models include an integrated LED light to illuminate dark workspaces. The M18 FUEL also features a metal belt hook and a side handle for added control during heavy-duty drilling, while the M12 model's compact design makes it easier to fit into tight corners without removing the handle.

• Tip: Use the lock-on feature when drilling through ceiling joists to reduce hand fatigue and maintain consistent pressure.

Battery Life and Runtime: M18 vs. M12 Battery Systems

Battery runtime is a critical factor on the jobsite. The M18 FUEL Hole Hawg uses Milwaukee's M18 batteries, including the popular M18 18-Volt 2.0 Ah Lithium-Ion Compact Battery, which provides a good balance of power and portability. With a 5.0 Ah battery, you can expect to drill dozens of 1-inch holes through solid wood on a single charge. The M18 platform also offers high-capacity options like 6.0 Ah and 12.0 Ah batteries for all-day runtimes on demanding jobs.

The M12 FUEL Hole Hawg uses the M12 battery system, which is smaller and lighter. A 2.0 Ah M12 battery will handle light to moderate drilling for several hours, but heavy use will drain it faster. For extended runtime, you can step up to a 4.0 Ah or 6.0 Ah M12 battery. While the M12 system can't match the M18's raw capacity, its compact size makes it ideal for quick tasks and for workers who already own other M12 tools. If you're invested in the M12 ecosystem, the M12 FUEL Hole Hawg is a natural addition.

• Tip: For the M18 FUEL Hole Hawg, pair it with a 5.0 Ah or 6.0 Ah battery for the best balance of runtime and weight.

Size, Weight, and Ergonomics: M12 Wins for Tight Spaces

One of the biggest differences between these two drills is their physical footprint. The M18 FUEL Hole Hawg measures about 15 inches in length and weighs approximately 7.5 pounds with a 5.0 Ah battery. It's a substantial tool that requires two hands for comfortable operation, especially when drilling overhead. The side handle helps distribute the weight and provides extra leverage, but it can still be tiring during extended use.

The M12 FUEL Hole Hawg, on the other hand, is a true compact marvel. It's only about 11 inches long and weighs just 3.5 pounds with a 2.0 Ah battery. This makes it easy to maneuver in tight spaces like inside wall cavities, under sinks, or in cramped attics. The reduced weight also means less fatigue when you're drilling multiple holes in a day. For electricians who often work in confined spaces, the M12 model is a game-changer. Its smaller size also allows it to fit into standard tool bags more easily, and it pairs well with a PACKOUT 22 in. Medium Red Tool Box with 75 lbs. Weight Capacity for organized transport.

• Tip: If you frequently work in crawlspaces or attics, the M12 FUEL Hole Hawg's compact size will save you from awkward positions and back strain.

Real-World Applications: Plumbing vs. Electrical

For plumbing work, especially when drilling large holes (1-1/4 inch or larger) through floor joists or studs for pipe runs, the M18 FUEL Hole Hawg is the clear winner. Its high torque and ability to drive self-feed bits through dense lumber make quick work of rough-in jobs. Plumbers who need to bore through concrete or brick for drain lines will also appreciate the M18's power when using a carbide-tipped bit. The M18 FUEL Hole Hawg can handle these tasks without breaking a sweat.

For electrical work, the choice is less clear-cut. Electricians running Romex or low-voltage cables typically drill holes between 1/2 inch and 1 inch in diameter. The M12 FUEL Hole Hawg is more than capable of this, and its lighter weight and smaller size make it easier to use for long periods. However, if you frequently drill through metal studs or need to bore through thick wooden beams, the M18 FUEL's extra torque will be beneficial. Many electricians keep both drills in their kit: the M12 for everyday tasks and the M18 for heavy-duty drilling. Regardless of which model you choose, using a high-quality bit like the 6 in. Hole Dozer Bi-Metal Hole Saw with 3/8 in. Arbor and Pilot Bit can improve cutting efficiency and extend tool life.

• Tip: For electrical work, use a step drill bit like the 7/8 in. - 1-1/8 in. #9 Black Oxide Step Drill Bit (2-Steps) for clean, burr-free holes in metal electrical boxes.

Price and Value: Which Hole Hawg Offers the Best Bang for Your Buck?

The M18 FUEL Hole Hawg typically costs more than the M12 model, especially when purchased as a kit with batteries and charger. However, its superior power and compatibility with the entire M18 ecosystem make it a worthwhile investment for professionals who need a heavy-duty right-angle drill. If you already own M18 tools, buying the tool-only version can save money.

The M12 FUEL Hole Hawg is more affordable and offers excellent value for light to medium-duty tasks. It's an ideal choice for apprentices, DIYers, or professionals who want a dedicated drill for tight spaces without breaking the bank. When you factor in the lower cost of M12 batteries and the ability to share them with other M12 tools, the M12 model becomes an even more attractive option for budget-conscious buyers.

• Tip: Consider buying the tool-only version of either drill if you already have compatible Milwaukee batteries and chargers.

Choosing between the M18 FUEL and M12 FUEL Hole Hawg ultimately comes down to the type of work you do most often. If you need maximum torque for large holes in dense materials, the M18 FUEL is the undisputed champion. If you prioritize portability, reduced weight, and the ability to work in tight spaces, the M12 FUEL is a fantastic choice that won't disappoint. Whichever you pick, you're getting a Milwaukee tool built to last. To keep your new right-angle drill organized and protected on the jobsite, check out the PACKOUT 22 in. Medium Red Tool Box with 75 lbs. Weight Capacity—it's the perfect storage solution for your Hole Hawg and accessories.