DEWALT 20V MAX Cordless Impact Wrench, 1/2 Impact vs Protmex Cordless Impact Wrench, 900Ft-lbs 1/2"
Updated July 2026 — DEWALT 20V MAX Cordless Impact Wrench, 1/2 Impact wins on price and torque, Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" wins on weight and battery.
The DEWALT 20V MAX Cordless Impact Wrench offers superior performance and features, making it a better choice for professionals, while the Protmex is a budget-friendly option for lighter tasks.
Why DEWALT 20V MAX Cordless Impact Wrench, 1/2 Impact is better
Torque
DEWALT has 1030 ft-lbs vs Protmex's 900 ft-lbs.
Durability
DEWALT is designed for heavy-duty use.
Features
DEWALT includes Precision Wrench control.
Why Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" is better
Price
Protmex is significantly cheaper at $85.49.
Battery
Protmex comes with two 4.0Ah batteries.
Weight
Protmex is lighter and easier to handle.
Overall score
Specifications
| Spec | DEWALT 20V MAX Cordless Impact Wrench, 1/2 Impact | Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" |
|---|---|---|
| Max Torque | 1030 ft-lbs | 900 ft-lbs |
| Breakaway Torque | 1400 ft-lbs | N/A |
| Battery Type | Sold Separately | 2 x 4.0Ah |
| Speed Control | 4 Modes | 3 Modes |
| LED Light | Yes | Yes |
| Warranty | 3 Years | N/A |
Dimension comparison
Price Comparison
The DEWALT 20V MAX Cordless Impact Wrench is priced at $221.99, while the Protmex Cordless Impact Wrench is significantly cheaper at $85.49, making it about 61% less expensive. This substantial price difference may make the Protmex more appealing for budget-conscious consumers. However, the higher price of the DEWALT reflects its advanced features and brand reputation, which could justify the investment for professionals or serious DIYers who require robust performance and reliability.
Torque and Performance
The DEWALT impact wrench offers a maximum fastening torque of 1030 ft-lbs and a maximum breakaway torque of 1400 ft-lbs, providing significant power for heavy-duty tasks. In comparison, the Protmex delivers 900 ft-lbs of torque, which, while substantial, is notably lower than that of the DEWALT. This difference in torque capacity means that the DEWALT is better suited for challenging applications like large pipe flanges and concrete anchor bolt settings, while the Protmex may suffice for lighter tasks, such as working on personal vehicles or home projects.
Battery and Charging
The Protmex comes equipped with two 4.0Ah batteries, allowing for an extended working time and fast charging within one to two hours. This battery setup enhances user convenience, especially for those needing continuous power. In contrast, the DEWALT impact wrench is sold as a bare tool, indicating that the battery and charger are sold separately. This means that, while the DEWALT may have superior performance, the additional cost of purchasing a battery can increase the overall investment significantly compared to the Protmex.
Speed Settings and Control
The DEWALT features a 4-mode speed setting, allowing for precise control during various applications. This includes variable speed control via a trigger, which can be particularly beneficial for delicate tasks. On the other hand, the Protmex offers three speed modes and a fixed speed in reverse, which provides versatility but lacks the same level of precision as DEWALT's offerings. The additional control provided by DEWALT can be essential for professionals who need to manage torque carefully to avoid overtightening.
Durability and Build Quality
The DEWALT impact wrench is known for its durable build quality, designed to withstand the rigors of worksite use and resist common solvents. This durability is a significant factor for professionals who rely on their tools daily. The Protmex is also designed for various applications but does not specifically highlight the same level of ruggedness as the DEWALT. For users who prioritize longevity and toughness in their tools, DEWALT may be the more reliable option.
Additional Features
The DEWALT model includes a built-in LED work light, enhancing visibility in dark workspaces, which is beneficial for intricate projects. It also features Precision Wrench control, designed to prevent overtightening and fastener run-off. The Protmex also has a built-in LED light, but it does not mention a similar precision feature. Therefore, the DEWALT may offer a slight edge in terms of innovative features that improve overall user experience and safety.
User Experience and Applications
The DEWALT is ranked 4175 in sales, indicating a strong presence in the market and a reputation among users for high performance in demanding applications. It is ideal for construction, automotive work, and farming. The Protmex, with a sales rank of 13737, is more suited for light to medium tasks, such as vehicle maintenance and DIY projects. Users looking for a tool that can handle heavy-duty jobs may lean towards the DEWALT, while those focused on casual use might find the Protmex sufficient for their needs.
Which should you buy?
Choosing between the DEWALT 20V MAX Cordless Impact Wrench and the Protmex Cordless Impact Wrench depends largely on your specific needs and budget. The DEWALT offers superior torque, advanced features, and durability, making it a worthwhile investment for professionals or serious DIY enthusiasts who need a reliable and powerful tool. However, if you are looking for a budget-friendly option for lighter tasks, the Protmex provides solid performance at a much lower price point. Ultimately, the decision should reflect your usage requirements, financial considerations, and preference for brand reputation.

