4" x 1/4" x 5/8" Grinding Disc T27


Pack Size:
1 Disc
Angle Grinder
Arbor Size:
Depressed Center
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Product Description

4" x 1/4" x 5/8" Grinding Wheel Type 27 (Depressed Center)

SOLD IN PACKS OF 1 (Individually)

4” x 1/4" x 5/8” Grinding Wheels by Black Hawk Abrasives are durable bonded abrasive discs built for moderate to heavy grinding applications in more compact areas. These 4 inch grinding discs are manufactured using A24T premium aluminum oxide grains with T-grade hardness for longer life during more aggressive grinding. These grains are resin bonded over high tensile strength fiberglass mesh and balanced to avoid vibration during use. These 4” grinder discs are ideal for use on ferrous metals, steel, stainless steel, rebar, iron pipe, bar stock and metal tubing. The 4 inch grinding discs general uses include but are not limited to all-purpose grinding, rust removal, deburring, and removing weld splatter. Designed to be used on an angle grinder, these 4” diameter grinding disks are simply a staple in every job site or garage.

Product Features:

  • 4" Diameter
  • 1/4" Thickness
  • 5/8" Arbor
  • Fiber Glass Reinforced
  • Extra Hard
  • Fast Stock Removal
  • Great Value

Works well on the following materials:

  • All Ferrous Metals
  • Iron
  • Steel
  • Stainless Steal

Use on:

  • Angle Grinder


  • Type 27 - Depressed Center
  • Dimensions = 4" x 1/4" x 5/8"
  • Max RPM = 15,300
  • Material = A24 Premium Aluminum Oxide
  • Bond = (BF) Reinforced Resinoid
  • Hardness = (T) Hard

Reviews Write a Review

  • 5
    Great Product

    Posted by Ben on Jul 5th 2020

    great quality, good price, shipped quickly.

  • 5

    Posted by The Doctor on Jun 21st 2019

    Great product, will not have any problem reordering.

  • 4

    Posted by Unknown on Jun 21st 2019

    Doc here, With Anderson Rentals, Inc. Well, I got to different opinions; let me say that the Anderson's are fortunate to have two Master Welder/ Fabricator's here. And Both were ok with the all around performance of the disk. Only difference between the 3M and Black Hawk is the Black Hawk wore quicker. We will continue to use them until any reason that would dictate.

  • 5
    As Expected

    Posted by Unknown on Apr 3rd 2018

    Love the product, would recommend to any industrial user in use of this product. High quality and will keep purchasing in the future.