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High Performance™ Resin Cupstones

Type 11 Steel Back

Type 11

Use on Angle Grinders

For Grinding & Smoothing
High Performance Logo with Stars
  • HIGH PRODUCTIVITY
  • VERSATILITY
  • DURABILITY

Related Files:

GRINDING WHEELS IMPROPERLY USED ARE DANGEROUS. Always refer to A.N.S.I. B7-1, "Safety Requirements for the Use, Care and Protection of Abrasive Wheels."

Metal, Stainless

A16QB -
This aluminum oxide spec is ideal for snagging and cleaning castings and stands up to offhand grinding on flat surfaces.
Part # Diameter Thickness Arbor Max RPM Box Qty.
(in.) (in.) (in.) (RPMs) (each)
N4250 4" 2" 5/8"-11 9,072 10
N4250S 4" 2" 5/8"-11 (steel back) 9,072 10
N5250 5" 2" 5/8"-11 7,258 10
N5250S 5" 2" 5/8"-11 (steel back) 7,258 10
N6250 6" 2" 5/8"-11 6,048 10
N6250S 6" 2" 5/8"-11 (steel back) 6,048 10
ZA16PB -
This zirconia alumina spec delivers fast stock removal on all ferrous metals.
Part # Diameter Thickness Arbor Max RPM Box Qty.
(in.) (in.) (in.) (RPMs) (each)
N5265 5" 2" 5/8"-11 7,258 10
N6265 6" 2" 5/8"-11 6,048 10

Concrete, Masonry

C16PB -
Made with silicon carbide grain, this coarse spec is ideal for grinding and cleaning concrete, masonry and stone.
Part # Diameter Thickness Arbor Max RPM Box Qty.
(in.) (in.) (in.) (RPMs) (each)
N4255 4" 2" 5/8"-11 9,072 10
N4255S 4" 2" 5/8"-11 (steel back) 9,072 10
N5255 5" 2" 5/8"-11 7,258 10
N5255S 5" 2" 5/8"-11 (steel back) 7,258 10
N6255 6" 2" 5/8"-11 6,048 10
N6255S 6" 2" 5/8"-11 (steel back) 6,048 10

Iron, Aluminum

AC16QB -
A special mix of silicon carbide and aluminum oxide grains, the AC16QB is intended for grinding cast iron and aluminum.
Part # Diameter Thickness Arbor Max RPM Box Qty.
(in.) (in.) (in.) (RPMs) (each)
N5253 5" 2" 5/8"-11 7,258 10
N6253 6" 2" 5/8"-11 6,048 10