BUY ONLINE PICK UP IN-STORE Available for in-store products Learn More ›


Model # P421 | Store SKU # 1000441485

ONE+ 18-Volt 4-1/2 in. Angle Grinder (Tool-Only)

ONE+ 18-Volt 4-1/2 in. Angle Grinder (Tool-Only)
- / each

Estimated Ship Time: 5 - 9 Days


ONE+ 18-Volt 4-1/2 in. Angle Grinder (Tool-Only)
  • Model # P421
  • Store SKU # 1000441485
  • 257
ONE+ 18-Volt 4-1/2 in. Angle Grinder (Tool-Only)
- / each

Overview Model # P421 Store SKU # 1000441485

The Ryobi 4 1/2-inch Angle Grinder features cordless convenience and delivers a powerful 6,500 RPMs for fast and precise work. Compatible with the Ryobi 18V ONE+™ system (batteries and charger not included), this tool offers a host of convenient features, including on board wrench storage and a rotating battery foot that stays out of the way. A comfortable overmolded grip and 3-position side handle help reduce fatigue, and a 4 1/2-inch grinding wheel is included for added value and convenience.

  • Delivers up to 6,500 RPM for speed and precision
  • Onboard spanner wrench located in the side handle for easy access
  • GripZone™ overmold for added comfort
  • Tool-free guard makes guard positioning easy
  • 4 1/2-inch grinding wheel included
  • Convenient and intuitive trigger switch




Assembled Depth (in inches) 13.70 Assembled Height (in inches) 5.44
Assembled Weight (In LBS) 6.18 Assembled Width (in inches) 5.67
CASE DEPTH (In decimal format) 23.82 CASE HEIGHT (In decimal format) 6.7
CASE WIDTH (In decimal format) 17.72 Item Depth 13.70
Item Height 5.44 Item Weight 6.18
Item Width 5.67 Voltage (volts) 18


Amps 18 Batteries Included No
CASE WEIGHT (In decimal format) 26.06 Certified Yes
Cordless/Corded Cordless Country of Origin CN-China
Handheld or Stationary Handheld Home Depot Advantage No
Motor Brushed

Warranty / Certifications

3 years, For More information visit
Customer Reviews

Customer Reviews

Customer Reviews

Questions and Answers