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RIDGID introduces the 18V OCTANE Brushless Cordless 7-1/4 in. Circular Saw with 7-1/4 in. Blade, Blade Wrench, Vacuum Attachment, Dust Chute, Rafter Hook, (2) 4.0 Ah Batteries, Charger, and Bag. The OCTANE Brushless 18V 7-1/4 In. Circular Saw features a high-performance brushless motor and advanced electronics that provide best-in-class power and intelligence. While providing increased performance with all RIDGID 18V batteries, OCTANE tools provide maximum performance in high-demand applications when paired with OCTANE batteries (batteries not included). Paired with an OCTANE battery (batteries not included), this tool gives 30% more power. The included batteries get up to 4X the runtime of standard lithium-ion batteries and are built for high performance and are protected from overheating, overloading, and overcharging through their Triple Protection Electronics design. Their chemistry allows for maximum performance in temperatures as low as -4 degrees and up to 120 degrees F, so you can confidently use them year-round. The charger is compatible with all RIDGID 18V Batteries. Backed by the Industry’s Only Lifetime Service Agreement, this kit includes an 18V OCTANE Brushless 7-1/4 in. Circular Saw with a 7-1/4 in. blade, blade wrench, vacuum attachment, dust chute, rafter hook, two 4.0 Ah Batteries, an 18V Charger, a bag, and operator’s manuals.


  • Industry-leading 2-11/16 in. Depth of cut
  • RIDGID octane brushless 18v 7-1/4 in. The circular saw delivers 30% more power than the previous brushless unit (r8653b) when paired with an octane battery
  • The dust chute and included vacuum adapter cuts back on job site clean up
  • With the integrated accessory rail, users can attach the included rafter hook for additional storage options
  • LED light engages with trigger for a more direct and clearer line of sight
  • Offers up to 56° beveling cuts for added versatility
  • Up to 4X more run time compared to standard lithium-ion batteries
  • Over 2X longer life compared to standard lithium-ion batteries
  • Best-in-class extreme weather performance in temperatures as low as -4 degrees and up to 120 degrees F
  • The onboard fuel gauge lets you know your battery level before you start a job
  • Charger Compatible with all RIDGID 18V Batteries
  • 100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers


  • Brand: Ridgid
  • Dimensions: 9.14 in x 15.32 in x 8.98 in
  • Weight: 8.6 lbs
  • Battery Amp Hours: 4 Ah
  • Bevel Capacity: 56 °
  • Maximum Speed (rpm): 5600
  • Blade Diameter (in.): 7-1/4 in