3M green corps depressed center wheel, type 27 用户手册

Product Descriptions:
Green Corps Depressed Center Wheels: Green Corps depressed center wheels are Type 27, 

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" thick, grinding wheels containing 3M-patented Cubitron™ abrasive grain.  The result is a tough,

aggressive wheel designed for heavy stock removal, as well as removal of slag and heavy burrs on mild
steel, cast iron, and stainless steel.  These wheels are designed to compete with competitive high
performance grinding wheels, heavy cup stones, wire brushes, and competitive fibre discs.  Available in
grades 24 and 36 with a 5/8"-11 hub.

Green Corps Flexible Grinding Wheels: Constructed similarly to the Green Corps depressed center
wheels (mentioned above), except they are 1/8" thick and are used in metal fabrication and general
maintenance.  Operators still have the advantage of the Cubitron abrasive grain with added benefits of less
vibration, more uniform finish, and reduced operator fatigue.  They are available in grades 36, 46, 60, and
80 with 5/8"-11 hub or 7/8" center hole.

General Purpose - (A/O) Depressed Center Wheels: These Type 27 wheels contain grade 24, aluminum
oxide mineral with a 5/8"-11 hub or 7/8" center hole.  This coarse grade product is good for general
metalworking and relatively high stock removal.

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