Aluminum Oxide-Abrasive Grinding Bits | McMaster-Carr

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For Use On

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Aluminum Oxide/Cotton Laminate Blend

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Ceramic Alumina

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For Use With

Grinders for Bits and Burs

Portable Disc Sanders

Straight Grinders

Rotation Speed

Less than 10,000 rpm

10,000 rpm to 19,999 rpm

20,000 rpm to 29,999 rpm

30,000 rpm to 99,999 rpm

100,000 rpm or greater

Maximum Rotation Speed

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

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Synthetic Resin

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DFARS Specialty Metals

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Quick-Change Connector

Number of Pieces

How can we improve?

1,137 Products

Grinding Bits

Grinding Bits for Metals

Grinding Bits for Metals

Grind most metals and materials that are not heat sensitive

Rubber-Cushioned Abrasive Grinding Bits for Metals

Rubber-Cushioned Abrasive Grinding Bits for Metals

Rubber creates a cushion for a smoother finish than bits with similar grits

Grinding Bit Sets for Metals

Grinding Bit Sets for Metals

Include an assortment of bits for grinding metal

Grinding Bits for Stainless Steel

Grinding Bits for Stainless Steel

Stay cool during grinding, so they won’t mar or discolor stainless steel

Hex-Shank Grinding Bit Sets for Metals

Hex-Shank Grinding Bit Sets for Metals

Include our most popular hex-shank grinding bits

Grinding and Polishing Kits for 3D Printed Parts

Grinding and Polishing Kits for 3D Printed Parts

Bits, burs, wheels, and brushes to finish the edges of 3D printed parts

Miniature Grinding Bits for Metals

Miniature Grinding Bits for Metals

Grind precise, intricate jobs with the 3/32" diameter shank and small head

Hex-Shank Grinding Bits for Metals

Hex-Shank Grinding Bits for Metals

Fit in any drill chuck that accepts a 1/4" hex shank

Rubber-Cushioned Abrasive Grinding Bit Sets for Metals

Rubber-Cushioned Abrasive Grinding Bit Sets for Metals

Include an assortment of bits cushioned with rubber for a smooth grind

Miniature Grinding Bit and Disc Sets

Miniature Grinding Bit and Disc Sets

Include an assortment of bits to grind, sand, and cut on small surface areas

Other Products

Sanding Bits

Smooth out small, recessed, and hard-to-reach areas, and also remove paint and rust

Cartridge Sanding Rolls

Cartridge Sanding Rolls

As the outer sanding surface wears away, new abrasive is exposed

Grinding Cones

For corners and the inside of castings, remove large amounts of material and leave a rough surface

Sanding Discs

Add to sanders, floor buffers, and other tools to smooth out workpieces and remove paint and rust

Rotary Sanding Pads

Rotary Sanding Pads

Reach into pipes, tubes, corners, and slots to smooth their surfaces and remove paint and rust

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)