DEWALT 14 Inch by 1/8 Inch Aluminum Oxide 20mm Arbor High Speed Gas Cut-Off Saw Wheel (DW8021)

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SKU: DW8021
Regular price $8.99 USD

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DeWalt DW8021 14" x 1/8" x 20mm High-Speed Metal Cutting Abrasive Blade

The DEWALT DW8021 14-inch abrasive metal cutting blade slices, crops, and sections heavy-gauge carbon steel, concrete reinforcing bar, structural steel tubing, and schedule 40 pipe across industrial metal fabrication jobs and commercial jobsites. Formulated with high-concentration A24R aluminum oxide grain bonded to two full sheets of heavy-duty woven fiberglass mesh, this 1/8-inch abrasive cut-off wheel delivers high material removal rates while resisting wheel flutter at speeds up to 5,500 RPM. Designed with a 20 mm (0.787-inch) precision arbor hole for direct mounting on high-speed portable gas cut-off saws, it equips structural ironworkers, mechanical contractors, and pipefitters with straight, burr-minimized cuts and long-lasting wheel stamina under continuous abrasive loads.

Best Used For:

  • Structural Steel and Sectioning: Slicing through heavy carbon steel angle iron, channel stock, unistrut, and hollow structural sections (HSS).

  • Rebar and Heavy Solid Rod Cropping: Shearing high-tensile ASTM Grade 60 deformed rebar bundles, anchor bolts, and cold-rolled steel round stock cleanly before placement.

  • Industrial Pipe and Tubing Fabrication: Cutting thick-wall schedule 40/80 carbon steel pipe, galvanized conduit, and stainless steel tubes to specified lengths.

Key Performance & Safety Features

  • Industrial A24R Aluminum Oxide Formulation: High-density crystalline grain matrix delivers rapid abrasive cutting speed and extended wheel service life.

  • Dual High-Tensile Fiberglass Reinforcement: Two full sheets of reinforced woven fiberglass mesh provide structural rigidity and prevent wheel shatter under high centrifugal stress.

  • 5,500 RPM Maximum Speed Rating: Engineered to withstand peak rotational surface speeds on handheld high-power portable gas cut-off saws.

  • Optimized 1/8-Inch Kerf Profile: Balances rapid cutting penetration with lateral wheel stiffness to eliminate blade deflection and wandering in thick stock.

  • Direct-Fit 20 mm (0.787") Precision Arbor: Machined center hole ensures centered, concentric mounting to reduce tool vibration and spindle bearing wear.

  • Broad Metallurgy Versatility: Engineered for efficient cutting across mild steel, high-tensile carbon steel, structural alloys, and stainless steel.

    What's Included

    • (1) DEWALT DW8021 14" x 1/8" x 20 mm High-Speed Metal Cutting Abrasive Wheel

    Technical Specifications

    Manufacturer DeWalt Industrial Tool Co.
    Model Part Number DW8021
    Blade Diameter 14.00 inches (355.60 mm)
    Blade Thickness (Kerf) 0.125 inches (1/8 in. / 3.18 mm)
    Arbor Hole Diameter 20.00 mm (0.787 inches Arbor)
    Maximum Rotational Speed 5,500 RPM
    Abrasive Grit Specification A24R (Premium Aluminum Oxide)
    Internal Reinforcement 2 Full Sheets of Woven High-Tensile Fiberglass
    Tool Machine Compatibility 14" Portable High-Speed Gas & Electric Cut-Off Saws (20 mm Arbor)
    Package Quantity Count 1 Individual Abrasive Cut-Off Disc
    Net Weight Per Wheel 1.717 lbs (27.47 oz / 0.779 kg)
    Universal Product Code (UPC) 028877321493
    Suitable for material type Structural Steel, Rebar, Steel Pipe, Angle Iron, & Stainless Steel

    Pro-Tip: Pro-Tip: Allow the cut-off saw engine to achieve full operating RPM before engaging the steel workpiece, and apply steady, moderate pressure rather than forcing the wheel. Letting the high-density A24R aluminum oxide grain do the cutting prevents wheel glazing, reduces heat buildup, and delivers faster cut cycles with minimal edge burring.