Forney 71818 Grinding Wheel with 5/8-Inch-11 Threaded Arbor, Metal Type 27, A24R, 4-1/2-Inch-by-1/8-Inch

• Aluminum oxide metal grinding wheel.
• Designed for metal grinding, metal abrasion, body work, metal fabrication and general repair work.
• Used on ferrous materials.
• For use on right angle grinders only.
• 5/8-11 threaded arbor for quick change.

The Forney 71818 4-1/2-inch X 1/8-inch A24R Type 27 metal grinding wheel with 5/8-Inch-11 threaded arbor is an aluminum oxide metal grinding wheel. Designed for metal grinding, metal abrasion, body work, metal fabrication and general repair work. Used on ferrous materials. For use on right angle grinders. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 4 1/2 inch (114.3 mm) x 1/8 inch (3.175 mm) with 5/8 inch -11 threaded arbor. A24R-BF 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=Resinoid 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. Cls for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty 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.