Norton 57A Square File
Abrasive
AO
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
Where to BuyProduct SpecsDownload as CSV
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Length
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Thickness
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Grit Size
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Sanding Grade
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Inventory Type
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External Spec
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Subshape
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Abrasive
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Wheel Type
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Part Number
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| 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 |