Bosch GSS18V-40 sander with red button, 6, and warning text.
Bosch GSS18V-40 HD cordless sander with ergonomic palm grip design, easy-to-reach on/off switch, compact shape, speed selector, 18V brushless motor, and mobile dust collection.
GSS18V-40N
Bosch tool with black and blue accents, a red power button, and an adjustable setting labeled "6". The tool includes a warning about sanding surfaces treated with resins.
Bosch GSS18V-40 sander with "BRUSHLESS MOTOR" text.
Bosch electric sander, with a red button and silver exhaust port.
Hand holding a black and gray sander over a wooden surface.
Bosch "BRUSHLESS MOTOR" sander, with a blue and gray design and a vacuum port.
Triangular sanding pad with several holes.
Bosch black triangular accessory with central ring and white felt edge.
Rectangular white object with 8 holes and a black, white, and gray rim.
Square metal object with a central recess, attachment points, and two curved handles.
Rectangular metal plate with six holes.
Rectangular black plastic part with circular inset and white felt-like ring.
Bosch GSS18V-40 sander with red button, 6, and warning text.
Hand pressing a red power button with a power symbol on a black and blue handheld power tool.
Bosch sander and dust collector with wood dust and sander pad on wood surface.
Person using a screwdriver to attach a sanding pad to a sander. The sander base and a spare pad are on a brown surface. A small piece of a white-painted wooden frame is in the background.
Person using a sander on an old white-painted wooden window frame.
A hand adjusting the speed setting "6" on a Bosch tool; "AMP Share" is also visible.
A person using a  Bosch GSS18V-40  sander on wooden stairs.
Bosch GSS18V-40 18V brushless orbital sander being used to enlarge a door knob hole on a white door.
Bosch GSS18V-40 sander, held by a person over a wooden frame.
Person holding Bosch GSB18V-40 sander, with additional sandpaper and scissors on a cloth.
Bosch GSS18V-40 HD 18V sander being held by a person over a table.
Bosch CORE18V 4 Ah, 6 Ah and 8 Ah batteries, recommended for use with 18V bare tools, part of the AMPShare™ 18V Battery System.
AMP Share Multi-brand Compatible 18V Battery System, powered by BOSCH.
Bosch logo with "18V-Bare Tool", "18V Limited Warranty", and "5 YEAR Tool". Effective 6/1/23, all 18V products are covered by this updated warranty. For updated terms, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99.

GSS18V-40N Professional

18V Sanders

18V Brushless Sheet Orbital Finishing Sander (Bare Tool)

  • Cordless sheet orbital sander – combines freedom from a cord and maximum control
  • Ergonomic handling – offers a balanced grip, keeping the hand close to workpiece for maximum control
  • Powerful cordless motor – delivers a high rate of stock removal, delivering corded-like power
  • Brushless 18V motor – provides long runtime
  • Compact design – supports sanding control in hard-to-reach areas, without having to worry about a cord over shoulder or arm
  • Interchangeable sanding plates – allows 1/4 sheet, 1/3 sheet and detail sanding
  • Soft-start technology – reduces startup torque to ease into the workpiece
  • Mobile dust collection – allows choice of dust bag or vacuum hose attachment using a vac hose interface
  • Constant speed – provides smooth operation and reliable speed under load
  • Hook-and-loop backing pad – conforms to many contours
  • Speed selector – offers results in different materials and applications
  • Easy-to-reach on/off switch – provides easy control
  • AMPShare™ System – designed to be multi-brand compatible across many cordless products to make managing your work day easier
  • AMPShare™ System compatibility – 18V batteries and chargers are compatible with Bosch 18V power tools and a growing list of cordless products from AMPShare™ brands
  • Bosch 18V cordless power tools are covered by a five year limited warranty – for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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GSS18V-40N Professional

Technical data

The most important data

Battery Chemistry
Lithium Ion
Dust Collection
Yes
Height in
4.3 "
Length in
8.9 "
No Load OPM
6,000 - 10,000
Paper Size / Type
1/4 Sheet, 1/3 Sheet, Detail Sheet
Sander Type
Orbital Sanders
Speed Control
Variable Speed
Speed Range
6,000 - 10,000 OPM
Variable Speed
Yes
Weight
2.4 lb
Weight (lbs.)
2.4
Width in
5.2 "
Works With
Vacuum Hoses, For Common 1-1/4” or 1-1/2” hoses - The Bosch VAC002 or VAC024 adapter is required, Bosch VAC-series Hoses, Other 35mm and 22mm hoses connect directly to the tool, Bosch VH-series Hoses, The VX120 hose adapter is required (included with VH series hoses)
Includes
(1) GSS18V-40 18V Brushless Sheet Orbital Finishing Sander
(2) Sanding Plates
(3) Sandpaper Sheets
(1) Dust Bag
(1) Hole Punch

GSS18V-40N Professional: Further information

Product Highlights

This Bosch 18V Sheet Orbital Finishing Sander delivers freedom from a cord and maximum tool control. The GSS18V-40 features a well-balanced ergonomic grip, designed to keep the hand close to the workpiece for additional control. The powerful motor provides a high rate of stock and material removal, delivering corded-like power. The 18V brushless motor also provides extended runtime, allowing the user to sand in tight, hard-to-reach areas without having to fumble over a cord over the shoulder or arm. The orbital sander handles a variety of sanding applications. The sander has interchangeable sanding plates, allowing 1/4 sheet, 1/3 sheet and detail sanding, for ultimate control and versatility. The included dust bag allows mobile dust collection, while the tool has an interface for vacuum hose attachment. The tool features soft-start technology, constant speed, a speed selector, a hook-and-loop backing pad and an easy-to-reach on/off switch.