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  • Forney 71928 Flap Disc, Type 27 Blue Zirconia with 7/8-Inch Arbor, 80-Grit, 4-1/2-Inch

    • Forney 71928 Flap Disc, Type 27 Blue Zirconia with 7/8-Inch Arbor, 80-Grit, 4-1/2-Inch

    $2.40
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    SKU:
    71928
    UPC:
    032277719286
    Width:
    4.20 (in)
    Height:
    0.30 (in)
    Depth:
    4.20 (in)
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    Product Description

    The Forney 71928 4-1/2-Inch Type 27 Mounted Blue Zirconia Flap Disc is for right angle grinders. Cuts fast and outlasts sanding discs 10 to 1. Multiple layers of zirconia cloth flaps constantly exposing new extra sharp grinding points. Laminated by state of the art automated equipment. Reinforced fiberglass backing plate. Each disc balance tested for vibration free grinding and finishing. 4-1/2-Inch (114. 3 mm) with 7/8-Inch (22. 23 mm) arbor. ZA80 with Max 13, 300 RPM. Typical Spec Example A24R-BF: A=Used for Steel, 24=Grit (Coarse), R=Medium to Hard Bond. The First series of letters indicates Grain Type; A=Aluminum Oxide (Used in Metal Applications) C=Silicon Carbide (Used for Masonry Applications) ZA= Alumina Zirconium used for (Stainless Steel and Ferrous Metal Applications) TA=Ceramic Treated Aluminum Oxide (Used for Metal Applications) The Second series of letters indicates Grain Size or Grit; 8-24=Coarse, 30-60=Medium, 70-180=Fine and 220-Up=Hard. The Third series of letters indicates Bond Hardness; A-N=Soft, O-S=Medium and T-Z=Hard. The Fourth series of letters indicates type of Bond; BF=Retinoid Fiberglass Reinforced (Double Bonded), E=Shellac, R=Rubber and V=Vitrified. Wheel Types; Type 1=Flat Wheel for Cutting, Type 27=Depressed Center Wheel, Type 28=Hat Shaped for Grinding and Type 29=Flap Disc for Grinding and Finishing. Note: Harder Wheel have a longer life where a softer wheel will cut faster. Fine Grain=Long Life=Slower Cutting and Grinding. Coarse Grain=Short Life=Fast Cutting or Grinding. Claims for must be made within 90 days of the date of purchase. Proof of purchase required. This does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

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