Apart from basic use and impressions, I’ve three primary methods of testing drills. There is a clearance check, the place I decide the tightest area the drill can get into and nonetheless drive or drill at an ideal 90-degree angle perpendicular to the drilling floor. Then there are two several types of energy/longevity exams; one with a excessive torque load and one with a decrease load.

Examples of the battery/torque testing course of for 12-volt brushed cordless drills.
For the high-torque check, I exploit a brand new 1-inch wooden spade bit for every drill. I exploit the bit to drill a sequence of holes into commonplace yellow pine construction-grade lumber. After, I divide the variety of holes drilled by the battery capability which provides a “holes per amp hour” information level for comparability. I like this explicit metric technique as a result of it negates the flexibility of a drill to win simply by having a bigger battery.
On this check, the numbers for the 12-volt drills are fairly low — so if you happen to’re trying to bore a whole lot of holes, it is most likely greatest to stay with the 18-volt drills. For essentially the most half, all the 18-volt drills felt sturdy beginning this check off with a brand new battery, and though it did rating second-to-last right here, the Ryobi felt the strongest out of the gate. There’s additionally the breakthrough really feel — how effectively the spade bits are capable of exit the alternative aspect of the lumber with out snagging and seizing. Right here, it was Milwaukee that actually confirmed off. Not solely did Milwaukee completely trounce the competitors, however the spade bit moved from one aspect of the lumber to the opposite with nearly no snags. On the alternative finish of the dimensions, each Bosch and Ridgid appeared to have bother exiting the boards nearly each single time.

Variety of holes bored per amp hour for 18-volt brushed drills.

Variety of holes drilled per amp hour for 12-volt brushed drills.
Within the low-torque exams I took some screws — a ton of screws — and drove them into commonplace four-by-four development lumber. Drive in as many as potential till the drill can not utterly seat a screw; i.e. flush or barely beneath flush with the lumber, then depend. I exploit the identical beforehand described technique right here, dividing by amp hour to get our remaining metric. The unique exams for 12-volt drills used #8 2 1/2-inch screws, and the 18-volt exams use #9 3-inch screws.

Variety of screws pushed per amp hour for 18-volt brushed drills.

Variety of screws pushed per amp hour for 12-volt brushed drills.
Working the low-torque exams takes longer than the high-torque exams, so there’s extra time to get the texture of the instruments themselves. Typically talking, the drills all really feel such as you’d count on, however there have been a few options that stood out. On the 18-volt DeWalt, the hand grip feels small. This may increasingly really be a profit for some individuals, however for me, it was a bit off-putting. I used to be additionally not a fan of the set off on the 18-volt Ridgid. It felt like I needed to pull the set off farther again to achieve max energy than on different drills. This, over time, results in a bit additional hand cramping. Not splendid if you happen to’re planning on utilizing it for hours at a time.
For the clearance check, I measured the space from the middle of the drill chuck opening to the highest of the drill and individually to the aspect of the drill. The bottom worth for every drill you will notice is charted beneath. I transformed the measurements to decimals for functions of the chart, however I did measure these in 1/64-inch increments. The decrease the worth, the smaller the general dimension of the drill is, permitting it for use in tighter areas than the drills with bigger values.

Clearance outcomes for 18-volt brushed drills.

Clearance outcomes for 12-volt brushed drills.
There have been a few different options value mentioning that will assist if you happen to’re nonetheless undecided. Most drills now include LED lighting to assist with visibility in decrease lighting settings. These usually activate when you pull the set off and go off both while you launch the set off or with a small delay. The position of the LED is both on the base of the software close to the battery, or above the set off on the principle barrel of the software. I choose the position close to the battery. The LED mild on the barrel creates a tough shadow line above the midpoint of the chuck, whereas the lower-placed LED provides extra obtainable mild above the software — splendid if you happen to’re ready the place you are wanting down on the software, and never holding it above your sight line. In 18-volt drills, Bauer, Ryobi and Bosch all have the lower-placed LED, and Ridgid is the one mannequin with out an LED mild.
Battery life indicators may help out when you end up in locations the place switching out batteries is not handy, say, on a ladder, roof or another much less accessible location. One push of the button and also you get an estimate of battery energy remaining — normally in 25% increments. Bauer, Ridgid, Milwaukee and Craftsman 18-volt drills all have this characteristic.

18-volt drill battery life indicators.
One other characteristic, which can not essentially be a decision-maker for you, is the battery-release mechanism. The entrance tab has change into the usual and works higher on some fashions than others. The entire battery-powered instruments I personal personally are front-tabs however I’ve grown to essentially just like the side-tab launch. It has a extra pure really feel and tends to be a better launch as effectively. Within the 18-volt drills listed, Ridgid, Milwaukee and Ryobi all have aspect tab releases. For me, Ridgid’s design feels essentially the most comfy.
There is a bigger efficiency variance in 12-volt drills than I anticipated and possibly much less of 1 on the 18-volt degree. In case you’re available in the market, simply ensure you have a transparent thought of what precisely you are hoping to get out of your drill, then check out the knowledge supplied right here. It ought to be simple sufficient to get a transparent image of efficiency, worth and capabilities to ensure you find yourself with one of the best cordless drill to your wants.