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Grinding Wheel - Aluminum Oxide / Type 27S *HP™

Product #: WLT08-B 450
Arbor: 5/8" - 11; DIA.: 4-1/2"; Thickness: 1/4"
Available Online: 12+
Availability in Store:
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Ideal Uses
  • For use on Steel
  • For use on Cast Iron
  • Grinding Metal
WALTER SURFACE TECHNOLOGIES - HP™ High performance grinding wheels are built for general purpose grinding. Suitable for use on cast iron and steel applications. Also good for deburring, preparing weld edges and shaping metal.


Made from superior quality abrasive grain, these wheels are highly resistant to wear and make weld grinding fast with less effort.

For use with angle grinders. Grind at 20° for optimal performance.

Type 27S wheel shape is a spin-on version of the type 27 style wheel. It has a depressed center with a built in 5/8”-11 threaded arbor that reduces vibration and reduces the time spent on wheel change outs. Simply spin-on and spin-off disc with no other tools required. Guaranteed centered wheel everytime!

Always use back flange WLT30-B 057 with these grinding wheels

  • Bonded Abrasives: A bonded abrasive is an assembly of abrasive grains fixed (or bonded) within a matrix to create a solid-like form.
  • Depressed Center Wheels: Depressed Center Wheels are similar to Type 1 (Cut-Off) wheels, but the center of the wheel (around the mounting hole) is pushed back (depressed). This depressed center it built to allow grinding on flat surfaces without interference from the flange or mounting hardware.
Arbor: 5/8 inch -11
Attachment Type:Spin-on
Grain:Aluminum Oxide
Thickness: 1/4 inch

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Grinding Wheel - Aluminum Oxide / Type 27S *HP™

Grinding Wheel - Aluminum Oxide / Type 27S *HP™

HP™ - 24 Grit - S Hard - High performance grinding wheels are built for general purpose grinding - long wheel life