A high-flow gun fills large fittings and bearings quickly and gets through a full machine or a row of trailer hubs in less time. Flow here is the maker’s top rating, on the faster setting where a gun has two speeds.
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Best High-Flow Cordless Grease Guns: Tool only
- Milwaukee M18 2-Speed Grease Gun#1 of 7Full review
A bare M18 grease gun for anyone already on Milwaukee batteries. It pairs one of the highest flow ratings with the longest hose and warranty here.
Amazon $210.90$210.9010 oz/min48 inMilwaukee M18 - Bosch 18V Grease Gun GFP18V-10N#2 of 7Full review
A premium bare grease gun for Bosch 18V users who grease a lot of fittings. It has the most flow and one of the longest warranties.
Amazon $295$29511.3 oz/min47.2 inBosch 18V - Takuoo DL-785 Grease Gun for Makita 18V#3 of 7Full review
A cheap, high-flow bare gun for Makita 18V owners. There is no stated warranty.
Amazon $75.99$75.999 oz/min39.4 inMakita 18V - Craftsman V20 Grease Gun CMCGG001B#4 of 7Full review
A bare V20 grease gun with high flow for the price. A good pick for Craftsman battery owners.
Amazon $149$1499 oz/min40 inCraftsman V20 - SUROVO SR-GGMK Grease Gun for Milwaukee M18#5 of 7Full review
A low-cost bare gun for Milwaukee M18 owners, with a lock-on trigger and a full set of couplers.
Amazon $84.97$84.978 oz/min39.4 inMilwaukee M18 - DIYtoolifz Grease Gun for Milwaukee M18#6 of 7Full review
A low-cost bare gun for Milwaukee M18 owners who want high flow.
Amazon $89.49$89.498 oz/min39.4 inMilwaukee M18 - Ecarke Grease Gun for Milwaukee M18#7 of 7Full review
A bare gun for M18 battery owners who want more flow for less than half the Milwaukee price.
Amazon $125.99$125.998 oz/min39 inMilwaukee M18
Best High-Flow Cordless Grease Guns: Kits
- Milwaukee M18 2-Speed Grease Gun Kit#1 of 3Full review
The M18 gun as a complete kit. A strong all-round choice for anyone starting on Milwaukee batteries.
Amazon $316.99$316.9910 oz/min48 inMilwaukee M18 - Seesii GR05 Ultra 6-Speed Grease Gun Kit#2 of 3Full review
A low-priced, fully equipped kit with high flow and a long hose. The lack of a stated warranty is the catch.
Amazon $119.99$119.9910 oz/min48 inMakita 18V - Craftsman V20 Grease Gun Kit CMCGG001D1#3 of 3Full review
The Craftsman V20 gun as a kit, with high flow and a small battery. Good for a first V20 tool.
Amazon $269$2699 oz/min40 inCraftsman V20
