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Bare-Tool Milwaukee 2446-20 M12 12-Volt Cordless Grease Gun (Tool Only, No Battery)

TLDR Review: Milwaukee 2446-20 M12 Grease Gun

Item: Milwaukee 2446-20 M12 Grease Gun
Author: ShopSavvy

By ShopSavvy Team

Published: April 5th, 2025

Pros

•Lightweight design that is easy to maneuver under vehicles and equipment.
•Offers precise control and consistent pressure, greatly reducing overall maintenance time.
•Impressive battery life allows for multiple tasks on a single charge.
•Effectively replaces manual pumping, reducing physical strain and risk of injury.
•Features such as the motor sound and soft start trigger aid in controlling grease application.
•Long hose with spring strain reliefs helps handle oily fittings easily.
•High pressure output is sufficient for tasks like lubricating worn kingpins.
•Compact and weluited for tight spaces, making it a favorite for professionals and DIY enthusiasts.
•Good battery life and compatible with the Milwaukee Packout system.

Cons

•Lacks the dual speed feature found in the M18 model.
•Priming can be difficult after changing grease tubes, especially if there are defects on the cardboard tube.
•Defective grease tube threads have been reported, affecting the gun/pump assembly.
•Users have noted greasy residue buildup and have expressed a wish for a fitted carrying case.
•Steel tube for grease cartridge insertion may lack grip, making removal hard.

Bottom Line

The Milwaukee 2446-20 M12 12-Volt Cordless Grease Gun shines with its ease of use, high precision, and battery longevity, making it a great choice for most greasing tasks, especially in tight spaces. However, the lack of a dual speed feature and potential priming issues may be downsides for some users. This tool is ideally suited for professionals and DIY enthusiasts who can overlook its minor shortcomings for impressive power and efficiency.

Lowest at any Popular Retailer

$129.00 at Ace Hardware

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 131 retailers to give you the short version.