DeWalt DCG 405 NT

125 mm
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Product details

The DeWalt DCG 405 is an 18 volt battery-powered and brushless angle grinder with a 125 mm diameter. The innovative brushless motor enables higher performance with a longer runtime per battery charge, more compact dimensions and weight savings as well as a generally longer service life of the machine. The epoxy-resin armoured windings additionally protect the motor from abrasive dust particles, while the optimised ventilation system inside the grinder ensures perfectly adapted cooling of the machine and electronics, which also contributes to a longer service life. Scope of delivery: DeWalt DCG 405 - 18 V 125 mm brushless cordless angle grinder. 1 x DeWalt DCB 184 18V - 5 Ah / 5000 mAh XR Li-Ion battery. DeWalt TStak-Box II tool case. Side handle. Quick-release nut. Assembly tool.

Key specifications

Diameter grinding wheel
125 mm
Weight
1.74 kg

General information

Item number
13679563
Manufacturer
DeWalt
Category
Angle grinders
Release date
31.8.2020

Angle grinder properties

Tool holder
M14
Diameter grinding wheel
125 mm
Spindle thread
14mm
Additional properties
Brushless electric motor

Energy supply

Power supply
Rechargeable battery operated

Battery / accumulator features

Battery voltage
18 V
Battery type
Li-ion
Capacity
5 Ah
Battery system
Dewalt 18V
Number of batteries
1x
Charger equipment
No charger supplied
Battery equipment
1 battery supplied

Power

Power
800 W
Max. Idle speed
9000 rpm
Sound power level (LWA)
96 dB
Sound pressure level (LpA)
85 dB

Origin

Country of origin
Germany

Sustainability

Manufacturer commitment
SBTi

Scope of delivery

Scope of delivery
Assembly toolQuick release nutSide handleSuitcases & BagsToolboxwith 1x rechargeable battery

Product dimensions

Weight
1.74 kg
Width
27 cm
Length
31 cm
Height
12 cm
Depth
12 cm
Diameter
12.50 cm

Package dimensions

Length
45 cm
Width
36 cm
Height
16 cm
Weight
6 kg

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Angle grinders» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 3.Metabo
    1.2 %
  • 4.Bosch Home & Garden
    1.9 %
  • 5.DeWalt
    2 %
  • 6.Einhell
    2.1 %
  • 7.Proxxon
    3.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Einhell
    0 days
  • 2.DeWalt
    1 day
  • 2.Makita
    1 day
  • 4.Proxxon
    2 days
  • 5.Metabo
    3 days

Return rate

How often is a product of this brand in the «Angle grinders» category returned?

Source: Digitec Galaxus
  • 3.Bosch Home & Garden
    1.7 %
  • 3.Bosch Professional
    1.7 %
  • 5.Makita
    1.8 %
  • 6.Metabo
    2.1 %
  • 7.DeWalt
    2.5 %
Source: Digitec Galaxus

Translation: machine translated
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Spiegel TestsAkku-Winkelschleifer im TestReleaseJune 2025

With the DeWalt angle grinder, left-handers should check whether they are able to operate the device, as the slide switch is not located on the back of the device, but on the side. It is on the left when sanding horizontal materials and on top when the disc is aligned vertically (e.g...