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FREE SHIPPING — Milwaukee M18 FUEL 4 1/2in./5in. Grinder Kit — Two M18 RedLithium XC 4.0 Batteries, Slide Switch, Lock-On, Model# 2781-22
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FREE SHIPPING — Milwaukee M18 FUEL 4 1/2in./5in. Grinder Kit — Two M18 RedLithium XC 4.0 Batteries, Slide Switch, Lock-On, Model# 2781-22

Item# 41950

Only $399.99

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Product Summary


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The Milwaukee® M18™ FUEL™ 4 1/2in./5in. Grinder supplies maximum sustained power to complete the toughest grinding, surface preparation and cutting applications. This cordless grinder delivers the power of a corded grinder with up to 2X more run time and up to 10X longer motor life. The Powerstate™ brushless motor provides up to 10X longer motor life and lower cost of ownership. The M18 RedLithium™ XC 4.0 battery pack delivers up to 4X more run time and 20% more power. The grinder features Redlink Plus™ Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. The 18V lithium-ion grinder's thin body design gives it optimized balance to rest easily in your hands. Tool-free accessory changes and guard adjustments mean less downtime during work. The grinder is built with the same tool body, gearing system and anti-vibration side handle as Milwaukee's legendary high-performance corded grinders for maximum durability on the job. Kit includes two M18 RedLithium XC 4.0 Extended Capacity battery packs, charger and carrying case. Grinding wheel sold separately.

What's Included

  • (1) M18 Fuel 4 1/2in./5in. grinder
  • (2) M18 RedLithium XC 4.0 extended capacity battery packs
  • (1) M18 and M12 multi-voltage charger
  • (1) Carrying case
  • (1) Flange nut
  • (1) Wheel guard
  • (1) Spanner wrench

Features + Benefits

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  • Powerstate™ brushless motor delivers maximum power and up to 10X longer motor life
  • Redlink Plus™ Intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger
  • M18 RedLithium™ XC 4.0 battery pack provides superior pack construction, electronics, and performance to deliver 2X more run time and more work over pack life
  • Powerful cordless grinder delivers the power of a corded grinder
  • Durable grinder features the same metal housing and gearing system as legendary high performance corded grinders
  • 100% tool-free grinder lets you make all accessory changes and guard adjustments without a wrench for increased productivity
  • Slide switch reduces user fatigue and can be locked on for extended grinding
  • 15in. length

Key Specs

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Item#41950
Ship Weight17.0 lbs
Product TypeHandheld
Wheel Diameter (in.)4 1/2–5
Length (in.)15
Speed (RPM)8,500
Switch TypeSlide
Spindle Thread Size5/8 in.–11
Spindle LockYes
Side HandleYes
Variable SpeedNo
Battery IncludedYes, 2
Wheel IncludedNo
Wrench IncludedYes
Case IncludedYes

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FREE SHIPPING — Milwaukee M18 FUEL 4 1/2in./5in. Grinder Kit — Two M18 RedLithium XC 4.0 Batteries, Slide Switch, Lock-On, Model# 2781-22 The price is $399.99.
FREE SHIPPING — Milwaukee M18 FUEL 4 1/2in./5in. Grinder Kit — Two M18 RedLithium XC 4.0 Batteries, Slide Switch, Lock-On, Model# 2781-22
(Not Yet Rated - New)
Item# 41950
In Stock Online
Only $399.99
Hide Similarities
Product Type Handheld Bench Bench Bench Handheld
Wheel Diameter (in.) 4 1/2 6 8 8 4 1/2–5
Amps 10 4 4.2 8 -
Length (in.) 11 1/4 15 16 19 15
Speed (RPM)
11,000 3,450 3,600 3,450 8,500
HP - 5/8 3/4 1 -
Switch Type Paddle switch w/lock-off - - Guarded Slide
Spindle Thread Size 5/8 in. x 11 1/2 5/8 5/8 5/8 in.–11
Spindle Lock Yes - - - Yes
Side Handle Yes - - No Yes
Variable Speed
- - No - No
Battery Included No No No No Yes, 2
Wheel Included No Yes, 2 Yes, 2 Yes, (1) Coarse, (1) Fine No
Wrench Included Yes Yes - - Yes
Case Included No No No No Yes
Dimensions L x W x H (in.) - - - 19 x 10 x 12 1/2 -