Norton 57A Square File


The Norton India AO Square File is ideal for a variety of applications, including dimensioning keyways to maintain fit, stoning faces on router bits, touching-up edges of reamer teeth, lapping/honing to close tolerances to produce the finest edge on precision instruments, die work and delicate tools. With the smooth cutting aluminum oxide abrasive, you can quickly produce a strong, keen, long-lasting edge and uniform finish while retaining the shape of the file. Available in coarse, medium, and fine grits for restoring edges, producing average edges, and achieving even sharper cutting edges.

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Abrasive AO
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Wheel Type Type 90

Features and benefits

India, our smooth cutting aluminum oxide abrasive produces a strong, keen, long-lasting edge and is the choice for the best blend of cut rate and finish

Applications include dimensioning keyways to maintain fit, stoning faces on router bits, touching-up edges of reamer teeth, lapping/honing to close tolerances to produce the finest edge on precision instruments, die work and delicate tools

Coarse grit quickly restores worn edges; medium grit produces the average edge needed for most tools; and fine grit produces an even sharper edge

Designed to retain their shape while imparting a uniform finish

Part Specifications

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Product SpecsDownload as CSV
Length
Thickness
Grit Size
Sanding Grade
Inventory Type
External Spec
Subshape
Abrasive
Wheel Type
Part Number
6 in 1 in 100 Grit Coarse Stock COARSE INDIA CF76 Aluminum Oxide Type 90 61463686165
6 in 3/4 in 100 Grit Coarse Stock COARSE INDIA CF66 Aluminum Oxide Type 90 61463686150
6 in 1/2 in 100 Grit Coarse Stock COARSE INDIA CF46 Aluminum Oxide Type 90 61463686120
4 in 1/2 in 100 Grit Coarse Stock COARSE INDIA CF44 Aluminum Oxide Type 90 61463686105
4 in 3/8 in 100 Grit Coarse Stock COARSE INDIA CF34 Aluminum Oxide Type 90 61463686090
4 in 1/4 in 100 Grit Coarse Stock COARSE INDIA CF14 Aluminum Oxide Type 90 61463686075