HomeAngle GrindersRyobi P421RyobiRyobi P421Best Seller Rank HistoryNow#696Best#644Worst#1,372 -52Lower = better sales rankRating TrendRating4.6/ 5Reviews913+18 reviewsSpecificationsAccessoriesIncluded AccessoriesSide handle, grinding guard, grinding wheel, spanner wrenchGrinding Wheel TypeType 27FeaturesHandle Positions3Grip Rotation90 degrees degreesGrip TypeRubberized notched gripBattery SystemONE+ Lithium IonCompatible Battery ModelsP100, P101, P102, P103, P104, P105, P107, P108, NiCadGeneralBrandRyobiManufacturerRYOBIModelP421ColorGreenWeight4.8 pounds gShow all 8 specsPerformanceNo-load Speed6500 RPM RPMGrinding Wheel Size4-1/2 inches mmPowerVoltage18V VMotor TypeBrushedDimensions & WeightHeight8.0 inchesWidth12.0 inchesDepth8.0 inchesWeight4.8 poundsResearch Sourcesryobitools.comhomedepot.comryobidealfinders.comyoutube.combuildingmoxie.comSimilar ProductsDEWALT Diamond Blade for Masonry, Dry Cutting, Continuous Rim, 7/8-Inch Arbor, 4-1/2-Inch (DW4725)0.0(8,136)$8.98CouponDEWALTDEWALT 4-1/2 Inch Cut-Off Wheel, Angle Grinder Cutting Disc, General Purpose, 4-Pack (DW8062B5)0.0(17,079)$7.010DEWALTRyobi 5133001903 R18AG-0 One+ Cordless Angle Grinder Angled0.0(4,643)$61.740RYOBIBosch GWS8-45 4-1/2 In. Angle Grinder0.0(2,125)$69.000BoschNo ImageRyobi R18AG7-0 18V ONE+ Cordless...$219.000DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/2 Inch, with Paddle Switch and Kickback Brake, Tool Only (DCG413B)0.0(9,683)$154.490DEWALTDEWALT FLEXVOLT 60V MAX* Angle Grinder with Kickback Brake Kit, 4-1/2-Inch to 6-Inch (DCG418X1)0.0(463)Out of StockDEWALT50 PCS Cut Off Wheel 6 Inch 6" x.047 x7/8" Cutting Disc for Angle Grinder Ultra Thin Metal & Stainless Steel0.0(379)$44.990MinCHI257No ImageRYOBI 18 ONE+ 18V Cordless 4-1/2 in. Angle Grinder Kit0.0(160)$136.990EZARC Cut Off Wheels 25 Pack, 3” x 1/16” x 3/8” Cutting Wheel, Metal & Stainless Steel Cutting Disc for Die Grinder0.0(2,030)$15.180EZARCTTI 18-Volt Brushless Cordless 4-12 in. Angle Grinder (Tool Only, PBLAG01B) (NO Retail Packaging, Bulk Packaged)0.0(146)$119.990RYOBIRYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder (Tool Only) PBLAG01B0.0(208)$110.490RYOBIBosch GWS18V-8B15 18V Brushless 4-1/2 In. Angle Grinder Kit with (1) CORE18V® 4 Ah Advanced Power Battery0.0(28)Out of StockBoschEZARC 4-1/2 inch Diamond Blade, Super Thin Diamond Saw Blades for Angle Grinder, 4.5" Tile Blade for Cutting Porcelain Ceramic Granite Marble Tile, 7/8"-20mm-5/8 Arbor (2-Pack)0.0(1,488)$18.97CouponEZARCEZARC 4-1/2 inch Segmented Diamond Blade, Diamond Cutting Wheel for Angle Grinder Stone Master, 4.5" Stone Blade for Cutting Concrete Granite Masonry Brick, 7/8"-20mm-5/8 Arbor (2-Pack)0.0(1,088)$19.970EZARCSHALL Angle Grinder Tool 7.5Amp 4-1/2 Inch Grinders Power Tools, Electric Metal Grinder 12000 RPM with 2 Safety Guards, 3 Cutting Wheels, 3 Flap Discs, Non-Slip Handle and Carbon Brush for Metal, Wood0.0(1,472)$34.990ShallAmazon Basics SKIL 20V Cordless Angle Grinder Kit with 4.0Ah Lithium Battery and 2.4A Charger, Blue0.0(159)Out of StockDenaliPRETEC 26 Packs Angle Grinder Cutting Flap Grinding Disc Wheel 4 1/2in Inches - 20 Packs 4.5"x1/4"x7/8" Cut off Wheels,3 Packs 4.5"x7/8" 60 Grit Flap Discs, 3 Packs 4.5"x1/25"x7/8" Grinding Wheels0.0(1,317)$21.590PRETECDongCheng Angle Grinder 4-1/2 inch 6.7-Amp Paddle Switch 11800RPM Power Electric Grinder Tools with Cutting & Grinding Wheels, Flap Discs, Auxiliary Handle for Metal & Rust Removal, Beginner-Friendly0.0(943)$34.590Dong ChengDCK 9.0 Amp Angle Grinder, 4-1/2 Inch Electric Grinder Power Tool, 11800 RPM, Auxiliary Handle and 2 Safety Guards, 6 Piece Discs, Copper Angle Grinder for Cutting, Grinding, Polishing (KSM17-115B)0.0(738)$40.990DCKUser ReviewsPlease sign in to leave a reviewSort by:NewestHighest RatedMost HelpfulNo reviews yet. Be the first to review!
