Skip to main content

Picture 1 of 9

Picture 1 of 9
Picture 2 of 9
Picture 3 of 9
Picture 4 of 9
Picture 5 of 9
Picture 6 of 9
Picture 7 of 9
Picture 8 of 9
Picture 9 of 9

Milwaukee 3670-20 18V Cordless 4-1/2-6" Braking Grinder Rapid Brake (Tool-Only)

4.04 product ratings
Mass Depot (24942)
99.2% positive feedback
Price:
$173.95
Free shipping
Estimated delivery Thu, Sep 4 - Mon, Sep 8
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
SKU:3670-20 The Milwaukee 3670-20 18V cordless braking grinder combines high cutting power with enhanced safety features in a compact design. Bicycle Tires. Bicycle Light. Go Kart/Mini Bike. Motorcycle Tires.

About this product

Product Identifiers

BrandMilwaukee
MPN367020
GTIN0045242779970
UPC0045242779970
eBay Product ID (ePID)15071661538

Product Key Features

Power SourceBattery
Battery TechnologyLithium-Ion (Li-Ion)
ColorRed
Battery Capacity2 Ah
Voltage18 V
TypeAngle Grinder
Disc Diameter4 1/2 in
Model3670-20
Power1500 W

Dimensions

Item Height8
Item Diameter6 in
Width12 in
Length"17"""
Item Weight5.3 lb

All listings for this product

Auction & Buy It Now
Auction
Buy It Now
Any Condition
New
Pre-owned
Milwaukee 3670-20 18V Cordless 4-1/2-6" Braking Grinder, Rapid Brake (Tool-Only)
item 1 Milwaukee 3670-20 18V Cordless 4-1/2-6" Braking Grinder, Rapid Brake (Tool-Only)
$173.95
Free shipping
Milwaukee 3670-20 M18 FUEL Cordless 4-1/2 in/6 Braking Grinder Paddle Switch
item 2 Milwaukee 3670-20 M18 FUEL Cordless 4-1/2 in/6 Braking Grinder Paddle Switch
$174.99
Free shipping
Milwaukee 3670-20 M18 Fuel Braking Grinder 4-1/2" to 6"
item 3 Milwaukee 3670-20 M18 Fuel Braking Grinder 4-1/2" to 6"
$176.98
Free shipping
Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
item 4 Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
$178.98
Free shipping
Milwaukee 3670-20 M18 Li-ION FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
item 5 Milwaukee 3670-20 M18 Li-ION FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
$178.99
Free shipping
Milwaukee M18 FUEL 18V Brushless Cordless 4-1/2 in./6 in Braking Grinder 3670-20
item 6 Milwaukee M18 FUEL 18V Brushless Cordless 4-1/2 in./6 in Braking Grinder 3670-20
$179.00
Free shipping
Milwaukee M18 FUEL 18V Lithium-Ion Brushless 4-1/2 in. Grinder w/ Paddle Switch
item 7 Milwaukee M18 FUEL 18V Lithium-Ion Brushless 4-1/2 in. Grinder w/ Paddle Switch
$179.95
Free shipping
Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder - Bare Tool
item 8 Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder - Bare Tool
$184.99
Free shipping
New Milwaukee Fuel 3670-20 M18 18V 4-1/2"-6" Braking Grinder, Paddle Switch NIB
item 9 New Milwaukee Fuel 3670-20 M18 18V 4-1/2"-6" Braking Grinder, Paddle Switch NIB
$186.69
Free shipping
New Milwaukee Fuel 3670-20 M18 4-1/2"-6" Braking Grinder Paddle Switch 18V
item 10 New Milwaukee Fuel 3670-20 M18 4-1/2"-6" Braking Grinder Paddle Switch 18V
$186.97
Free shipping
Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder
item 11 Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder
$169.00
+$20.99 shipping
Milwaukee M18 FUEL 3670-20 4-1/2" -6" in Braking Grinder, Paddle Switch - SEALED
Almost gone
item 12 Milwaukee M18 FUEL 3670-20 4-1/2" -6" in Braking Grinder, Paddle Switch - SEALED
$199.98
Free shipping
Milwaukee M18 FUEL 3670-20 4-1/2" -6" in Braking Grinder, Paddle Switch New
item 13 Milwaukee M18 FUEL 3670-20 4-1/2" -6" in Braking Grinder, Paddle Switch New
$199.99
Free shipping
Milwaukee M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder Tool Only 3670-20 NEW
item 14 Milwaukee M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder Tool Only 3670-20 NEW
$214.48
Free shipping
Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
item 15 Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
$214.99
Free shipping
MILWAUKEE - M18 FUEL 4.5"-6" Braking Grinder w/ Paddle Switch Tool-Only 3670-20
item 16 MILWAUKEE - M18 FUEL 4.5"-6" Braking Grinder w/ Paddle Switch Tool-Only 3670-20
$218.80
Free shipping
Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
item 17 Milwaukee 3670-20 M18 FUEL 18v Li-Ion Brushless Cordless 4-1/2 in/6 in Brakin...
$219.99
Free shipping
Milwaukee 3670-20 M18 FUEL 4-1/2"-6" Braking Grinder, Paddle Switch
item 18 Milwaukee 3670-20 M18 FUEL 4-1/2"-6" Braking Grinder, Paddle Switch
Was:$446.40
Free shipping
Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch New
item 19 Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch New
$265.05
Free shipping
Milwaukee 3670-20 M18 FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
item 20 Milwaukee 3670-20 M18 FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
$268.49
Free shipping
Milwaukee M18 Fuel 4-1/2 Inch-6 Inch Braking Grinder, Paddle Switch (Bare Tool)
item 21 Milwaukee M18 Fuel 4-1/2 Inch-6 Inch Braking Grinder, Paddle Switch (Bare Tool)
$279.00
Free shipping
Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch
item 22 Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch
$279.00
Free shipping
US Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch
item 23 US Milwaukee Tool 3670-20 M18 Fuel 4-1/2"-6" Braking Grinder, Paddle Switch
$279.00
Free shipping
Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder - Bare Tool
item 24 Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder - Bare Tool
$279.00
Free shipping
Milwaukee M18 FUEL™, M18 FUEL 4-1/2in.-6in. Braking Grinder, Paddle Switch,
item 25 Milwaukee M18 FUEL™, M18 FUEL 4-1/2in.-6in. Braking Grinder, Paddle Switch,
$279.00
+$9.99 shipping
M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 In./6 In. Braking Grinder
item 26 M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 In./6 In. Braking Grinder
$324.42
Free shipping
Milwaukee Electric Tools 3670-20 Milwaukee Tool M18 Fuel 4-1/2"-6" Braking
item 27 Milwaukee Electric Tools 3670-20 Milwaukee Tool M18 Fuel 4-1/2"-6" Braking
$326.66
Free shipping
M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder
item 28 M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder
$348.75
Free shipping
Milwaukee 3670-20 4-1/2-6 Braking Grind Tool Only
item 29 Milwaukee 3670-20 4-1/2-6 Braking Grind Tool Only
$353.79
Free shipping
Milwaukee 3670-20 Milwaukee Tool M18 FUEL 4-1/2"-6" Braking Grinder, Paddle Swit
item 30 Milwaukee 3670-20 Milwaukee Tool M18 FUEL 4-1/2"-6" Braking Grinder, Paddle Swit
$353.86
Free shipping
Milwaukee 3670-20 M18 FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
item 31 Milwaukee 3670-20 M18 FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
$169.00
Milwaukee 3670-20 M18 Li-ION FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
item 32 Milwaukee 3670-20 M18 Li-ION FUEL 4-1/2" -6" Braking Grinder, Paddle Switch
$174.00
NEW Milwaukee M18 FUEL 6" Braking Grinder Rapid-Stop 3670-20 18V - Bare Tool
Last one
item 33 NEW Milwaukee M18 FUEL 6" Braking Grinder Rapid-Stop 3670-20 18V - Bare Tool
$179.00
M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder
item 34 M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder
$200.00
listings for this product

Ratings and Reviews

Learn more
4.0
4 product ratings
  • 3 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by erbab_7388
    Apr 06, 2025

    Great little heavy duty grinder. I have ...

    Great little heavy duty grinder. I have a smaller Milwaukee grinder but it will in no way do what this larger grinder will do. Love it!

    Verified purchase: YesCondition: New

  • by gar-ritte
    Nov 08, 2024

    Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6"...

    Milwaukee 3670-20 M18 FUEL 18V 4-1/2"-6" Paddle Braking Grinder - Bare Tool works zoom zoom Sparks are flyin

    Verified purchase: YesCondition: Pre-owned

  • by 5traxx
    Jun 15, 2025

    Powerfull

    Great item, bought it at great price

    Verified purchase: Yes

  • by albertmatusgonzle0
    Jun 19, 2025

    The tool was defective, it overheats qui...

    The tool was defective, it overheats quickly and stops, and the same thing happens with the batteries, they overheat.

    Verified purchase: YesCondition: New

Best Selling in Grinders

See all

Save on Grinders

Trending price is based on prices over last 90 days.

You may also like