Main
Product type	impact wrench
Design	gun


Specs
Rotation speed	400/1200/2000 rpm
Max. beats	2600 bpm
Torque	949 Nm
Reducer	1-speed
Number of speeds	3
Reverse	slider
Weight	2.66 kg


Chuck
Chuck type	square drive
Square size	1/2 "

Features
Features	impact mode brushless motor backlight
In box	charger


Power supply
Power source	battery
Battery in set	2
Battery platform	Stanley FatMax V20
Battery voltage	18 В
Battery capacity	4 Ah
Battery type	SFMCB204
Compatible batteries	SFMCB201, SFMCB202, SFMCB204, SFMCB206
Added to E-Catalog	August 2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

Drill chuck: types and differencesSpecifics of different types of chucks for drilling and working with fasteners

Which is better: drill, screwdriver or drill-driver?We study the design features and specifics of the use of such similar, but still different types of power tools

Buy Stanley FatMax SFMCF940M2

When you make a purchase through links on our site, we may receive a affiliate commission.


	Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench 2 x 4ah Li-ion Charger No Case SFMCF940M2 The SFMCF940 is a cordless high torque impact wrench which is part of the Stanley FatMax V20 battery system. It can be used with any Stanley FatMax V20 battery and shares battery compatibility with an ever growing range of additional tools. This impact wrench has a 1/2" anvil which is suitable for direct connection of 1/2" drive impact sockets. The... morepowerful brushless motor can deliver an impressive 929Nm of fastening torque, but to make it more suitable for lighter jobs as well it features three different modes which allow the speed and torque to be adjusted to the application in hand. Features and Benefits bull; Part of the Stanley FatMax V20 cordless system • Runs on any Stanley FatMax V20 battery • 1/2" Square drive anvil for direct connection of impact sockets • Maximum fastening torque of 929Nm • Integrated LED worklight • Oil, chemical and impact resistant glass fibre reinforced nylon housing • Rubberised handle for comfortable grip • Three mode settings to adjust the power output according to the application • Robust build quality: designed for jobsite environments Specifications • Battery Voltage: 18v • Battery Type: Stanley FatMax V20 (lithium ion) • Motor: Brushless • Square Drive: 1/2" • Modes: 3 • No Load Speed: 0-450 RPM /0 - 1200 RPM / 0 -2000 RPM • Maximum Impacts per Minute: 2600 • Maximum Fastening Torque: 929Nm • Tool Weight (excluding battery): 3.0kg Contents • Stanley FatMax V20 Cordless High Torque Impact Wrench • Stanley FatMax V20 Lithium Ion Battery 4ah (x2) • Battery Charger • No Case Tooled-up.com Delivery: to United Kingdom Report	£229.95 Buy in shop

	Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench SFMCF940M2 The SFMCF940 is a cordless high torque impact wrench which is part of the Stanley FatMax V20 battery system. It can be used with any Stanley FatMax V20 battery and shares battery compatibility with an ever growing range of additional tools. This impact wrench has a 1/2" anvil which is suitable for direct connection of 1/2" drive impact sockets. The... morepowerful brushless motor can deliver an impressive 929Nm of fastening torque, but to make it more suitable for lighter jobs as well it features three different modes which allow the speed and torque to be adjusted to the application in hand. Features and Benefits bull; Part of the Stanley FatMax V20 cordless system • Runs on any Stanley FatMax V20 battery • 1/2" Square drive anvil for direct connection of impact sockets • Maximum fastening torque of 929Nm • Integrated LED worklight • Oil, chemical and impact resistant glass fibre reinforced nylon housing • Rubberised handle for comfortable grip • Three mode settings to adjust the power output according to the application • Robust build quality: designed for jobsite environments Specifications • Battery Voltage: 18v • Battery Type: Stanley FatMax V20 (lithium ion) • Motor: Brushless • Square Drive: 1/2" • Modes: 3 • No Load Speed: 0-450 RPM /0 - 1200 RPM / 0 -2000 RPM • Maximum Impacts per Minute: 2600 • Maximum Fastening Torque: 929Nm • Tool Weight (excluding battery): 3.0kg Contents • Stanley FatMax V20 Cordless High Torque Impact Wrench • Stanley FatMax V20 Lithium Ion Battery 4ah (x2) • Battery Charger • No Case Tooled-up.com Delivery: to United Kingdom Report	£229.95 Buy in shop

	Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench 2 x 4ah Li-ion Charger No Case SFMCF940M2 The SFMCF940 is a cordless high torque impact wrench which is part of the Stanley FatMax V20 battery system. It can be used with any Stanley FatMax V20 battery and shares battery compatibility with an ever growing range of additional tools. This impact wrench has a 1/2" anvil which is suitable for direct connection of 1/2" drive impact sockets. The... morepowerful brushless motor can deliver an impressive 929Nm of fastening torque, but to make it more suitable for lighter jobs as well it features three different modes which allow the speed and torque to be adjusted to the application in hand. Features and Benefits bull; Part of the Stanley FatMax V20 cordless system • Runs on any Stanley FatMax V20 battery • 1/2" Square drive anvil for direct connection of impact sockets • Maximum fastening torque of 929Nm • Integrated LED worklight • Oil, chemical and impact resistant glass fibre reinforced nylon housing • Rubberised handle for comfortable grip • Three mode settings to adjust the power output according to the application • Robust build quality: designed for jobsite environments Specifications • Battery Voltage: 18v • Battery Type: Stanley FatMax V20 (lithium ion) • Motor: Brushless • Square Drive: 1/2" • Modes: 3 • No Load Speed: 0-450 RPM /0 - 1200 RPM / 0 -2000 RPM • Maximum Impacts per Minute: 2600 • Maximum Fastening Torque: 929Nm • Tool Weight (excluding battery): 3.0kg Contents • Stanley FatMax V20 Cordless High Torque Impact Wrench • Stanley FatMax V20 Lithium Ion Battery 4ah (x2) • Battery Charger • No Case Mytoolshed.co.uk Delivery: in United Kingdom Report	£229.95 Buy in shop

Series Stanley FatMax

Stanley FatMax 1-43-548

from £36.84

spirit level, length: 120 cm, 3 vials, 180°, 90°, accuracy: 0.5 mm/m

Stanley FatMax FME301

from £131.99

circular, electric saw, 1650 W, bar/blade 190 mm, weight 3.9 kg

Stanley FatMax FMST1-80147

from £69.95

bag, fabric, shoulder strap, 470x230x350 mm

Stanley FatMax FMHT0-83234

from £33.29

clamp, F-clamp, clamp: 150 mm, depth 78 mm, an effort 1.35 kN, body plastic

Stanley FatMax FME440K

from £59.55

random orbital, 480 W, saw blade 125 mm, 4000 – 12000 rpm, frequency 8000 – 24000 opm, amplitude 5 mm, speed controller, case, dust collector

Stanley FatMax SFMCF930B

from £85.95

impact wrench, angle, brushless motor, 300 rpm, 1 speed, cartridge: square drive, 3/8 ", reverse, power supply: battery, 18 H

Stanley FatMax FMHT62692-0

from £23.82

bits 6 pcs, SL, PH, PZ, length up to 40 mm

Stanley FatMax SFMCE500B

from £64.99

oscillating multi-tool, cordless, 18000 number/min, LED light, weight: 0.9 kg

Stanley FatMax FMHT6-70868

from £34.97

stapler (3 in 1), non-contact, mechanical, brace: width up to 11.3 mm, length up to 14 mm, гвоздь: length up to 15 mm, Ø up to 1.2 mm, up to 15 mm

Stanley FatMax FMHT-73755

from £18.82

for sheet metal, left, cutting thickness 1.2 mm, spring, lock, scissors length 250 mm, weight 422 g

Stanley FatMax SFMCH900M22

from £199.99

hammer drilling, 5500 bpm, without a hit, 1500 rpm, chiselling, 2 J, brushless motor, power battery, 20 В, 2, 4 Ah, LED light, weight 2.9 kg

Stanley FatMax SFMCE530M1

from £119.95

cordless, 360 W, up to 510 °C, 470 L/min, weight: 530 g, nozzles, 2

Stanley FatMax GR100R

from £51.09

200 W, kernel: 11.3 mm, heat: in 1 min, up to 190 °С, supply: 25 g/min, temperature adjustment, heat indicator

Stanley FatMax FMHT0-72415

from £64.05

3 items, pliers

Stanley FatMax 2-17-206

from £11.18

miter, universal, teeth: 11 TPI, length 300 mm, case

Stanley FatMax FMHT1-51275

from £27.95

carpentry, 453 g, metal, length 320 mm

Stanley FatMax FMHT82563-0

from £88.53

multimeter, fast. voltage: 600 В, aC voltage: 600 В, fast. current: 10 А, resistance: 10 MΩ, autorange, NCV

Stanley FatMax 0-43-648

from £45.95

spirit level, length: 120 cm, 3 vials, 180°, 90°, accuracy: 0.5 mm/m

Stanley FatMax FME380K

from £180.40

circular, electric saw, 650 W, bar/blade 89 mm, marker, weight 2.1 kg

Stanley FatMax 1-95-611

from £42.49

backpack, fabric, resizing, volume: 28 l, 360x460x270 mm

Stanley FatMax SFMCF940M2 configurations


Stanley FatMax SFMCF940M1	from £199.95	2 offers
Stanley FatMax SFMCF940M2	from £229.95	3 offers
Stanley FatMax SFMCF940M3	from £259.95	3 offers
Stanley FatMax SFMCF940B	from £151.95	3 offers

Stanley FatMax SFMCF940M2

Buy Stanley FatMax SFMCF940M2

Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench 2 x 4ah Li-ion Charger No Case SFMCF940M2

Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench SFMCF940M2

Stanley Fatmax V20 SFMCF940 18v Cordless Brushless High Torque 1/2" Impact Wrench 2 x 4ah Li-ion Charger No Case SFMCF940M2

Stanley FatMax SFMCF940M2 configurations