Torque, Brushed, and Brushless Motors: What Changes?

Torque describes turning effect. Brushed and brushless describe how an electric motor commutates current. A torque number does not tell you speed, and a brushless label does not automatically prove that a tool is stronger, maintenance-free, or the better value.

Compare the exact model, modes, speed, control, battery, weight, accessories, and price—not one motor word or maximum number.

Torque

Torque is a turning effect: force applied at a perpendicular distance from a pivot. In a simple case:

torque = force × perpendicular lever arm

Torque is not the same as force alone. The same force applied farther from the pivot produces more torque.

On a drill, driver, or wrench, torque relates to the tool's ability to turn under resistance. Catalog “maximum” torque remains a model-specific claim. Test methods, modes, battery, fastener, and cutoff behavior can differ.

Common mix-up: Torque is not speed. RPM describes rotation rate. IPM describes impact rate. A tool can have a large torque claim and a different speed/control profile than another model.

Pound-inch (lbf·in or in-lb)

Pound-inch is a U.S. customary torque unit. It represents one pound-force acting at a perpendicular distance of one inch.

Retail pages often write in-lb, while technical notation may use lbf·in. Keep the original manufacturer unit in model-specific copy and provide a clearly labeled conversion when useful.

1 lbf·in ≈ 0.1129848 N·m

Pound-foot (lbf·ft or ft-lb)

Pound-foot is another torque unit. It represents one pound-force acting at a perpendicular distance of one foot.

1 lbf·ft = 12 lbf·in

1 lbf·ft ≈ 1.355818 N·m

Do not compare 1,200 in-lb with 1,200 ft-lb as if the numbers represent the same torque. Convert the units first.

Newton-meter (N·m)

The newton-meter is the SI-derived torque unit. Preserve the centered dot when practical: N·m. A newton-meter is not a watt and not a joule in this usage, even though dimensional expressions can look related. The physical quantity and context matter.

How torque affects a purchase

Use torque with:

• Fastener size, material, and specification
• Tool type: drill, impact driver, impact wrench, or torque wrench
• RPM and IPM ranges
• Modes and clutch/control behavior
• Battery and platform requirements
• Side-handle and bind-control instructions
• Final tightening procedure

High available torque can increase reaction forces when a bit binds. Follow the manual's grip and auxiliary-handle instructions. Catalog torque is not a substitute for a specified fastener torque procedure or calibrated torque wrench.

Brushed motor

A brushed motor uses physical carbon brushes as part of the motor's current-transfer and commutation system. Brushes are wear components.

Brushed does not mean unusable or automatically weak. A brushed tool may cost less and meet occasional household work well when its actual speed, torque, control, ergonomics, safety features, service support, and warranty fit the job.

Before buying, check whether the model has serviceable brushes, whether parts/service remain available, and whether the lower purchase price leaves room for the battery or accessories the job needs.

Brushless motor

A brushless motor operates without carbon brushes and uses electronic control for commutation. Manufacturers describe efficiency and reduced brush wear as advantages, but percentage performance claims belong to the exact model and comparison stated by the manufacturer.

Brushless does not automatically mean:

• Highest torque or speed
• Longest runtime in every application
• No maintenance anywhere in the tool
• Better ergonomics
• Better value for occasional use

Brushless may be worth the price for frequent cordless use, longer sessions, or demanding loads where efficiency and avoiding brush wear matter. For a light-use drill, compare the price difference with the features, batteries, and accessories you actually need.

A practical comparison

Decision	Check first	Why
Driving small fasteners	Low-speed control, clutch/modes, bit fit	Maximum torque can damage material or fastener
Drilling larger holes	Capacity, speed range, side handle, bit type	Torque alone does not establish safe capacity
Frequent cordless work	Battery system, efficiency claims, weight	Brushless may improve the complete workflow
Occasional repairs	Total setup cost and actual features	A lower-cost brushed model may be sufficient
Precision tightening	Fastener specification and calibrated tool	Impact/drill catalog torque is not final proof

Frequently asked questions

Is more torque always better?

No. More available torque can help with demanding work, but control, speed, fastener limits, tool reaction, and the exact application matter.

Is brushless always more powerful?

No. Brushless identifies motor construction. Use the exact model's documented output, modes, capacity, and test conditions.

Does brushless mean maintenance-free?

No. It removes carbon-brush wear, but bearings, gears, chucks, switches, batteries, cooling paths, and other components still require correct use and service.

After comparing the terms, browse current tools and review the exact model details. If a torque or motor claim lacks test context, ask product support before relying on it.