Bosch GSS12V-40 sander with power button, speed control, and warning label.
Bosch GSS12V-40 12V Max brushless motor sander with ergonomic palm grip design, easy-to-reach on/off switch, speed selector, and mobile dust collection.
Bosch sander, with a black dust bag and "WARNING" text visible.
Bosch Professional GSS 140-13 sander, blue and black, with a red power button and speed selector.
Bosch GS12V-40 sander with "BRUSHLESS" text and a dial set to "6".
Bosch blue and black power sander with red power button
Bosch blue power tool, with an exhaust port.
Bosch GSS12V-40 brushless motor sander.
Bosch GSS12V-40 HD sander with "6" adjustment.
A hand sanding a wooden surface with a black and blue tool.
Triangular sanding pad with several holes.
Bosch black triangular accessory with central ring and white felt edge.
Bosch orbital sander, with "BRUSHLESS MOTOR" text, blue and black.
Bosch GSS12V-40 HD sander with "6" and a red button.
Bosch GSS12V-40 HD sander with red power button.
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 GSS12V-40 sander, with a red on/off button, the number 6 selector, and the word "Bosch" visible.
Bosch blue and black sander, with dust collection bag and pile of sawdust.
A hand presses a red power button on a blue and black sander.
Bosch GSS12V-40 HD cordless sander, a hand presses the red "6" setting on the speed adjustment dial.
Person sanding wooden stairs with a Bosch GSS12V-40 HD sander.
Bosch GSS12V-40 sander is being used to sand a door; the sander has a yellow sanding surface, and the hand of a person is visible holding the sander.
Bosch GSS12V-40 HD cordless sander being used on a table surface, with visible text "BRUSHLESS", "12 V MAX", and "2.0 Ah Li-lon".
Bosch GSS12V-40 orbital sander being used on a wooden frame.
A hand sanding an old wooden window frame with a blue and black electric sander.
Hands holding a screwdriver, working on a sander with a yellow sanding pad and a 12 V 2.0 Ah Li-ion Bosch battery.
Bosch 12V MAX LIMITED WARRANTY, 3 YEAR Tool. Effective 2/1/25, all 12V Max products are covered by this updated warranty. For updated terms, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99.
Bosch GSS12V-40 sander with power button, speed control, and warning label.
Bosch GSS12V-40 12V Max brushless motor sander with ergonomic palm grip design, easy-to-reach on/off switch, speed selector, and mobile dust collection.
GSS12V-40N
Bosch sander, with a black dust bag and "WARNING" text visible.
Bosch Professional GSS 140-13 sander, blue and black, with a red power button and speed selector.
Bosch GS12V-40 sander with "BRUSHLESS" text and a dial set to "6".
Bosch blue and black power sander with red power button
Bosch blue power tool, with an exhaust port.
Bosch GSS12V-40 brushless motor sander.
Bosch GSS12V-40 HD sander with "6" adjustment.
A hand sanding a wooden surface with a black and blue tool.
Triangular sanding pad with several holes.
Bosch black triangular accessory with central ring and white felt edge.
Bosch orbital sander, with "BRUSHLESS MOTOR" text, blue and black.
Bosch GSS12V-40 HD sander with "6" and a red button.
Bosch GSS12V-40 HD sander with red power button.
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 GSS12V-40 sander, with a red on/off button, the number 6 selector, and the word "Bosch" visible.
Bosch blue and black sander, with dust collection bag and pile of sawdust.
A hand presses a red power button on a blue and black sander.
Bosch GSS12V-40 HD cordless sander, a hand presses the red "6" setting on the speed adjustment dial.
Person sanding wooden stairs with a Bosch GSS12V-40 HD sander.
Bosch GSS12V-40 sander is being used to sand a door; the sander has a yellow sanding surface, and the hand of a person is visible holding the sander.
Bosch GSS12V-40 HD cordless sander being used on a table surface, with visible text "BRUSHLESS", "12 V MAX", and "2.0 Ah Li-lon".
Bosch GSS12V-40 orbital sander being used on a wooden frame.
A hand sanding an old wooden window frame with a blue and black electric sander.
Hands holding a screwdriver, working on a sander with a yellow sanding pad and a 12 V 2.0 Ah Li-ion Bosch battery.
Bosch 12V MAX LIMITED WARRANTY, 3 YEAR Tool. Effective 2/1/25, all 12V Max products are covered by this updated warranty. For updated terms, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99.

GSS12V-40N Professional

12V Max Sanders

12V Max 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 12V Max 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
  • Bosch 12V Max cordless power tools are covered by a three year limited warranty - for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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GSS12V-40N Professional

Technical data

The most important data

Battery Chemistry
Lithium Ion
Dust Collection
Yes
Height in
4.3 "
Length in
7.7 "
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
1.8 lb
Weight (lbs.)
1.8
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) GSS12V-40 12V Max Brushless Sheet Orbital Finishing Sander
(2) Sanding Plates
(3) Sandpaper Sheets
(1) Dust Bag
(1) Hole Punch

GSS12V-40N Professional: Further information

Product Highlights

This Bosch 12V Max Sheet Orbital Finishing Sander delivers freedom from a cord and maximum tool control. The GSS12V-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 12V Max 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.

Downloads

User Manual

User Manual | o251142v2_160992A72B_GSS12V40_202209.pdf (PDF 5.3 MB) User Manual | o251140v2_2610070504_GSS12V40_BC_List_202206.pdf (PDF 0.1 MB)