Milwaukee M18 FUEL 1/4" Lockbolt Tool w/ ONE-KEY (Bare Tool) 2661-20

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M18 FUEL 1/4" Lockbolt Tool w/ ONE-KEY Bare Tool 2661-20

Milwaukee's M18 FUEL ¼” Lockbolt Tool w/ ONE-KEY is the fastest tool in the market. It eliminates the need for hoses and compressors while delivering up to 3X longer life than other cordless lockbolt tools. This gun significantly increases productivity, installing lockbolts up to 50% faster than cordless competitors. The premium steel alloy 3-jaw design delivers more work between jaw changes. While lightweight, this Milwaukee lockbolt tool was designed to withstand harsh shop or assembly plant environments, manufactured with an all-metal gearcase, impact strength plastics, and protective over-mold. The POWERSTATE Brushless Motor delivers 4,500 lbs. (20kN) of pulling force for Magna-Grip, C6L, C120L, Bobtail & Hucktainer (with Adapter 49-16-2661HT) lockbolts in all materials. This tool pulls up to 1200 1-1/4” Aluminum Magna Grip Lockbolts on one charge with an M18 REDLITHIUM XC5.0Ah battery (not included). M18 REDLITHIUM Battery Packs fit all M18 tools, providing you with more work per charge and more work over the battery life. REDLINK PLUS Intelligence ensures maximum performance and protects the Lockbolt tool and battery against overloads, over-heating, and over-discharge. The MILWAUKEE M18 FUEL ¼” Lockbolt Tool has ONE-KEY compatibility, allowing you to track and manage your tool.


  • Tool installs the widest range of Lockbolt Fasteners in the Market 
  • Increased productivity with the fastest cordless lockbolt installation, up to 35% faster than cordless competitors 
  • Eliminates compressors and hoses providing lower cost of ownership, greater productivity, more portability and more safety
  • Premium rubber overmolds withstand corrosive materials and provides increased comfort when in use
  • Only 12.1" in length including the mandrel collector
  • ONE-KEY Compatible: Ability to Track and Manage tools for increased productivity and investment protection
  • POWERSTATE Brushless Motor delivers 4,500 lbs. (20kN) of pulling force for high strength blind rivets in all materials
  • Installs HUCK Bobtail, Magna Grip and C6L Lockbolt Fasteners
  • Installs 3/16" (4.8mm), 7/32" (6.0mm), 1/4" (6.4mm) and 9/32" (7.0mm) aluminum, steel, and stainless steel Blind Rivets with purchase of M18 1/4" Lockbolt to Blind Rivet Tool 49-16-2661R
  • Installs HUCK Hucktainer Fasteners with purchase of Hucktainer Fastener Adaptor 49-16-2661HT
  • Installs up to 1,200 1/4" AL Magna-Grip Lockbolt Fasteners in one REDLITHIUM M18 XC5.0AH Battery Charge


Stroke Length 1.18"
Pulling Force 4,500 lbs. (20kN)
Dimensions (LxWxH) 12.1" x 2.5" x 8.77"
Weight 4.68 lbs



(1) M18 FUEL 1/4" Lockbolt Tool w/ ONE-KEY (2660-20)
(1) Mandrel Collector
(1) Bobtail Cap 
(1) Belt Clip

More Information
OPT SKU 2661-20
MPN 2661-20
UPC/GTIN 045242613656
Shipping Weight 5.00
Kit / Bare Bare