10 Best Grease Gun 2025 in the United States

The Milwaukee 2646-20 M18 2-Spd Grease Gun is a cordless grease gun designed for automotive and heavy machinery maintenance. It boasts an industry-leading maximum operating pressure of 10,000 PSI, making it highly efficient for demanding lubricating tasks. The 48-inch flexible hose is a notable feature, allowing users to reach challenging and tight spots with ease.

Additionally, the air bleeder valve facilitates quick priming, reducing downtime and enhancing productivity. The lock-on/lock-off trigger adds to user convenience by making continuous operation less tiring, and the pre-set grease counter dial ensures precision in delivering the right amount of grease, minimizing waste and mess. However, it's important to note that this tool is sold as a bare tool, meaning it does not come with batteries or a charger, which could be an added cost and inconvenience for some users.

The build quality is robust with its metal construction, ensuring durability and longevity. The product's ease of use is further complemented by its cordless nature, powered by an 18-volt lithium-ion battery, making it highly portable. Users who perform regular maintenance on vehicles or machinery will find this grease gun particularly beneficial. Its five-year tool warranty offers peace of mind regarding its reliability and performance. While the lack of included batteries may be a downside, the performance and features make it a strong contender in the grease gun market.

The DEWALT 20V MAX cordless grease gun is a powerful and convenient tool designed to handle tough greasing jobs. Its battery-powered design makes it portable and easy to use without being tethered by cords or manual pumping. It delivers a strong pressure of up to 10,000 PSI, which is excellent for clearing clogged grease fittings quickly. The high-volume pump pushes grease at a fast rate, making it suitable for both heavy-duty and regular maintenance tasks. The 42-inch flexible hose is long enough to reach tight or hard-to-access areas, and the bright LED light helps you see clearly in dark workspaces. Users will appreciate the variable speed trigger, which allows precise control over grease flow, reducing waste and mess.

Build quality seems solid, with features like a no-mar foot to safely rest the tool on surfaces and a pump filter to protect the mechanism from dirt. The included battery and charger add value, ensuring you're ready to work right away. However, the grease gun is somewhat heavy at nearly 15 pounds, which might cause fatigue during extended use. Also, while the plastic construction keeps it lightweight, it may not feel as rugged as all-metal options for some users.

This model suits professionals and serious DIYers looking for a cordless, high-pressure grease gun with user-friendly controls and good reach. If you want something lightweight or purely manual, other options might be better, but for power and versatility, this DEWALT stands out.

The LockNLube Heavy-Duty Pistol Grip Grease Gun is a versatile tool suitable for both commercial and residential use. It features a unique LockNLube Grease Coupler that ensures a secure and leak-free connection, making it easier to work without mess. The 20-inch heavy-duty hose, coupled with an in-line hose swivel, provides flexibility and reach, which is beneficial for accessing tight spaces. Its rubber grip and ergonomic handle enhance comfort during extended use, reducing hand fatigue.

With a pressure rating of up to 5,000 PSI, this grease gun is powerful enough for most applications, making it a reliable choice for heavy-duty tasks. The build quality is robust, given its metal construction, and it weighs 3.64 pounds, which is manageable for most users. It's hand-powered, eliminating the need for batteries, which is convenient but may require more manual effort. The LockNLube Heavy-Duty Pistol Grip Grease Gun stands out for its ease of use and efficiency, making it a practical tool for anyone needing a reliable grease gun.