Norton

4-1/2" 40-Grit Zirconia Alumina Disc - Norton 66623399137

MFR# 66623399137Series R860

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Description

The Norton 66623399137 is a 4-1/2" 40-grit zirconia alumina disc. Rated to 13300 RPM. For steels.

Specifications

Abrasive materialZirconia Alumina
Abrasive typeCoated
Attachment typeThreaded Arbor Hole
Backing materialPlastic
Center hole thread size5/8-11
Disc colorBlue
Disc diameter4-1/2
Flap disc typeType 27
GradeCoarse
Grit40
Material applicationSteels
Maximum rpm13300
TrimmableYes

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