Close

Close
Close
FREE SHIPPING — Milwaukee 4 1/2in. Grinder — 11 Amp, Trigger Grip, Non-Locking, Clutch, Model# 6121-31
Enlarge Video Demo

FREE SHIPPING — Milwaukee 4 1/2in. Grinder — 11 Amp, Trigger Grip, Non-Locking, Clutch, Model# 6121-31

Item# 20939

Only $109.99

Add to Cart

Item in Cart

In Stock Online
Free Shipping  (lower 48 states)
Not Available in Stores
Customer Product Rating
 

Product Summary


Play Video

The Milwaukee 4 1/2in. 11 Amp Grinder delivers best in class durability and power. High-capacity 120V motor with Advanced Airflow system, overload protection and electronic clutch operates at 11,000 RPM to handle the most demanding grinding jobs. Trigger grip with non-locking trigger switch.

What's Included

  • (1) Grinder, Model# 6121-31
  • (1) Type 27 guard
  • (1) Side handle
  • (1) Spanner wrench
  • (1) Flange set

Features + Benefits

Top of page
  • Advanced Airflow system maximizes airflow and reduces debris ingress, improving motor performance and life
  • Electronic clutch extends life of tool and prevents bind-up
  • Overload protection maximizes motor life by reducing motor burn-up
  • 5/8in.-11 spindle thread size
  • Needle bearings
  • Trigger grip with non-locking trigger switch
  • 100% tool-free grinder – no wrench or screwdriver required
  • Easy changing of all accessories
  • Easy installation and adjustment of guard without tools

Key Specs

Top of page
Item#20939
Ship Weight5.4 lbs
Product TypeHandheld
Wheel Diameter (in.)4 1/2
Amps11
Length (in.)15 5/8
Speed (RPM)11,000
Switch TypeNonlocking trigger switch
Spindle Thread Size5.8 in.–11
Spindle LockYes
Side HandleYes
Variable SpeedNo
Cord Length (ft.)8
Battery IncludedNo
Wheel IncludedNo
Wrench IncludedYes
Case IncludedNo

Customer Reviews

Top of page

Product Question + Answer

Top of page

Featured Accessories — Hand Picked by our Product Experts

Top of page

Safety Products

Eye Protection

3M Professional Faceshield, Model# 90028-80025 3M Professional Faceshield, Model# 90028-80025
Item# 174653
In Stock Online
Only $14.99
Add to Cart
3M Virtua Protective Eyewear, Model# 11228-00000-100 3M Virtua Protective Eyewear, Model# 11228-00000-100
Item# 547021
In Stock Online
Only $2.99
Add to Cart

Hearing Protection

3M Disposable E-A-R Plugs — 4-Pk. 3M Disposable E-A-R Plugs — 4-Pk.
Item# 174624
In Stock Online
Only $2.29
Add to Cart

Compare with Most Popular Grinders + Stands

Top of page
See All Grinders + Stands
 
 
 
Currently Viewing
 
 
 
(75)
Item# 399507
In Stock Online
Only $84.99
(13)
Item# 39981
In Stock Online
Only $99.00
FREE SHIPPING — Milwaukee 4 1/2in. Grinder — 11 Amp, Trigger Grip, Non-Locking, Clutch, Model# 6121-31 The price is $109.99.
FREE SHIPPING — Milwaukee 4 1/2in. Grinder — 11 Amp, Trigger Grip, Non-Locking, Clutch, Model# 6121-31
(Not Yet Rated - New)
Item# 20939
In Stock Online
Only $109.99
(18)
Item# 39982
In Stock Online
Only $129.00
(8)
Item# 152100
In Stock Online
Was $249.98
Sale $239.99
Hide Similarities
Product Type Handheld Bench Handheld Bench Bench
Wheel Diameter (in.) 4 1/2 6 4 1/2 8 8
Amps
10 4 11 4.2 8
Length (in.) 11 1/4 15 15 5/8 16 19
Speed (RPM)
11,000 3,450 11,000 3,600 3,450
HP
- 5/8 - 3/4 1
Switch Type Paddle switch w/lock-off - Nonlocking trigger switch - Guarded
Spindle Thread Size 5/8 in. x 11 1/2 5.8 in.–11 5/8 5/8
Spindle Lock Yes - Yes - -
Side Handle Yes - Yes - No
Variable Speed - - No No -
Cord Length (ft.) - - 8 - -
Battery Included No No No No No
Wheel Included No Yes, 2 No Yes, 2 Yes, (1) Coarse, (1) Fine
Wrench Included Yes Yes Yes - -
Case Included No No No No No
Dimensions L x W x H (in.)
- - - - 19 x 10 x 12 1/2