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Milwaukee M18™ Cordless 2-Speed Grease Gun

SKU: MIL2646-20-11

2 reviews

All options INCLUDE our LockNLube® Grease Coupler!

Upgrade to the XL Coupler for just $10 more.

The M18™ Cordless 2-Speed Grease Gun delivers maximum pressure and unmatched versatility, offering 10,000 PSI max operating pressure and a patent-pending pre-set grease counter that allows service and maintenance professionals to dispense precise amounts of grease.

The tool’s 2-speed design toggles max pressure and max flow rate. Other unique features include an onboard LED light, a lock-on/lock-off trigger, and a plunger rod with markings to gauge how much grease is left in the barrel. 

A stand-up design and shoulder strap capability offer convenience and limit fatigue. The 48” flexible hose paired with LockNLube® Grease Coupler offers greater accessibility when greasing hard-to-reach fittings. Powered by an M18™ REDLITHIUM™ Battery pack, this is the industry’s only 18V grease gun that’s battery is compatible with a system of tools.

The kit (21CT and 22CT models) includes the new multi-voltage charger, so you can charge all M12 and M18 lithium-ion batteries with one charger.

Grease Gun Model

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All guns come with the LockNLube® Grease Coupler.

M18™ Cordless 2-Speed Grease Gun
MIL2646-20-11    $209.99

(1) M18™ Cordless 2-Speed Grease Gun (Tool Only) (2646-20)
(1) LockNLube® Grease Coupler (GC81011)

M18™ Cordless 2-Speed Grease Gun Kit
MIL2646-21-11    $299.99

(1) M18™ Cordless 2-Speed Grease Gun (Tool Only) (2646-20)
(1) M18™ & M12™ Multi-Voltage Charger (48-59-1812)
(1) M18™ Compact REDLITHIUM™ Battery (48-11-1815)
(1) 48" Flex Hose w/ Spring Guard
(1) High Pressure Grease Coupler
(1) Carrying Case
(1) Shoulder Strap
(1) LockNLube® Grease Coupler (GC81011)

M18™ Cordless 2-Speed Grease Gun Kit
MIL2646-22-11    $359.99

(1) M18™ Cordless 2-Speed Grease Gun (Tool Only) (2646-20)
(2) M18™ Compact REDLITHIUM™ Battery (48-11-1815)
(1) M18™ & M12™ Multi-Voltage Charger (48-59-1812)
(1) Carrying Case
(1) LockNLube® Grease Coupler (GC81011)


LockNLube provides a full 30-day money-back guarantee on all products purchased from its website. If you are dissatisfied with your purchase, you can return it to us by shipping the item back within 30 days of purchase. Once we receive your return, we will refund you the full purchase price of the item.

Please ensure that the item you are returning is repackaged securely, with all its component parts included. Please also include any documentation that came with your original order, such as a packing slip or order confirmation.


Return items to us by shipping to:

Lock and Lube
12 Commerce Ave. Suite #3
West Lebanon, NH 03784

For more information, please call 603.795.2298. We’re a small business and we’ll pick up the phone in New Hampshire when you call.



  • Industry-leading 10,000 PSI max operating pressure
  • Industry-leading max flow-rate of up to 10 oz. / minute
  • New to world precision through Pre-set grease counter dial
  • 48" flexible hose offers greater access to difficult to reach fittings
  • Air bleeder valve for quick priming
  • M18™ REDLITHIUM™ System: Compatible with over 40 M18™ Lithium-Ion solutions for greater versatility in the workplace  Lock-on / Lock-off trigger delivers added user convenience



  • Length - 15"
  • Tool Warranty - 5 Years
  • Voltage - 18V
  • Weight - 7.6 lbs
  • Power Source - Cordless
  • Warranty - 5 Year Limited Warranty
  • Battery - M18™ REDLITHIUM™
  • Trigger Lock - On Off
  • PSI1 - 0,000 PSI
  • Run Time - Up to 10 Grease Cartridges per Charge
  • Hose Length - 48"
  • Battery System - M18
Customer Reviews
5.0 Based on 2 Reviews
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Christopher J.
United States United States
Milwaukee M18 grease gun

Works great just like all other Milwaukee tools I have no complaints lock and lube products make things a lot easier and good product

Fred S.
United States United States
One of the best things I have bought

Love it should have gotten both years ago! No more keeping one hand on e the end of tube while trying to pump the freeze with the other hand! Once the Lock N Lub end it locked on no grease comes out the side! Best thing for taking care of your equipment

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