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Bolts, Nuts & Washers are available in different standards, finishes and sizes.
ASTM STANDARDS
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BOLTS
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NUTS
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WASHERS
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ASTM A325M
H.S.Hex Bolts – Grade 8.8
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ASTM A563M
H.S. Hex Nuts – Class 10S
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ASTM F436M
Hardened Flat Washers |
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ASTM A490M
H.S.Hex Bolts – Grade 10.9
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ASTM A563M
H.S. Hex Nuts – Class 10S
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ASTM F436M
Hardened Flat Washers
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Coating: Black Phosphate, Electro Galvanized, Hot Dip Galvanized for all standardsExcept for ASTM A490 which is only supplied in Black Phosphate. Coating ofASTM A490M is not recommended as per the standard.
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