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Norton Product Tiers

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Our BEST tier products are designed for the customer who is seeking the highest productivity at the lowest total cost.

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Our BETTER tier products provide an excellent blend of performance and price.

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Our GOOD tier products promise the highest quality you expect from the Norton name with a low initial price.

Norton 57A Half-Round File

Offering both a round and a flat surface, the Norton India AO Half Round File, is made for imparting a fine finish on precision machine parts, tools and dies. Featuring an aluminum oxide abrasive, these files are designed to produce keen edges and uniform finishes while retaining their shape. For repairing edges, choose the coarse grit; for sharpening most tool edges, choose the medium grit; and for producing the sharpest edges, choose the fine grit.

Icon of a abrasive
Abrasive AO
Icon of a wheel
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

Offers both a round and a flat surface for imparting a fine finish on precision machine parts, tools and dies

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
Diameter
Length
Grit Size
Sanding Grade
Inventory Type
External Spec
Subshape
Abrasive
Wheel Type
Part Number
1/2 in 4 in 100 Grit Coarse Stock COARSE INDIA CF344 Aluminum Oxide Type 90 61463686405

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