Cordless Circular Saws

GKM18V-20N Professional

Cordless Circular Saws

18V 5-3/8 In. Metal-Cutting Circular Saw (Bare Tool)

  • Engineered specifically for metal – handles conduit, steel studs and more, with a motor producing 0-4,250 rpm
  • Robust construction – adjustable stainless steel footplate provides durability, accurate cutting depth, and cut-line guide
  • Integrated chip collector – collects metal shavings during cutting for faster clean up on the jobsite
  • 5-3/8 In. metal-cutting blade – provides a 2 In. cutting capacity
  • Impact-resistant clear window – aids cutting visibility
  • LED light – illuminates the cut line in dark work areas
  • Saw hook – allows tool to be quickly hung between cuts
  • Balanced design – tool is not too heavy, front to back
  • Electronic convenience brake – quickly stops the blade for less downtime between cuts
  • Electronic Motor Protection – reduces the risk of the motor overloading or overheating
  • 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 or call 1-877-BOSCH99
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GKM18V-20N Professional

Technical data

The most important data

Arbor Size in 20 mm
Battery Chemistry Lithium Ion
Blade Diameter (in) 5.375
Blade Size 5-3/8"
Dust Blower No
Dust Collection Yes
Electric Motor Brake Yes
Height in 8.4 "
Length in 12.2 "
Max. Bevel Capacity (°) 0
Max. Depth of Cut at 45 Deg. 0
Max. Depth of Cut at 50 Deg. 0
Max. Depth of Cut at 90 Deg. 2"
No Load RPM 4,250
Separate On/Off Speed Control No
Variable Speed No
Weight 5.2 lb
Weight (lbs.) 5.2
Width in 7.1 "
Includes (1) GKM18V-20 18V 5-3/8 In. Metal-Cutting Circular Saw
(1) 5-3/8 In. Metal-Cutting Blade
(1) Blade Wrench

GKM18V-20N Professional: Further information

Product Highlights

The Bosch GKM18V-20 18V Metal-Cutting Circular Saw is a tough cordless circ saw that was engineered specifically to cut through various metals found on the jobsite – such as conduit, Unistrut, steel studs, copper piping and threaded rod. The saw delivers cold- metal cutting while leaving a burr-free edge. It has an integrated chip collector for metal shavings during cutting for faster cleanup on the jobsite. This saw delivers 0-4,250 no-load rpm for an outstanding performance-to-weight ratio. It features an LED light that illuminates the cut line in dark work areas, plus it has an impact-resistant clear window, which aids cutting visibility. The saw has a durable build with an adjustable stainless steel footplate and a convenient hook to hang it between cuts. The compact saw uses 5-3/8 In. metal-cutting blades and has a balanced design.

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