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21-1901 - CRATEX LARGE WHEEL 4 X 1/2 X 1/2" FINE #408

  • Cratex Large Silicon Carbide Grinding Wheels .
  • Removing rust, heat marks, tarnish, excess solder, scratches, corrosion, removing burrs and breaking edges
  • Polishing welded seams after rough grinding, polishing bearing surfaces and raceways
  • Smoothing and sanding: castings and punched or sheared pieces, smoothing glass edges, wet sanding of gemstones, trimming plastic articles
  • Cleaning before welding or soldering. Fast way to clean all unwanted surface deposits.
  • Wheel 1 Ø - 15,000 rpm. Use mandrel 21-2706
  • Wheel 4” Ø -5,250 rpm. Use arbor 42-1361 LH, 42-1362 RH
  • Wheel 6” Ø -3,600 rpm. Use arbor 42-1361 LH, 42-1362 RH
  • For your safety it is important to follow the rules in the ANSI B7.1 Safety code. The rules cover operating procedures for speed, guards, flanges, mounting, storage and inspections.

    • Item #: 21-1901
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