Fastener Standards
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IS 15581Standard for hexagon nuts with flange M5 to M20.
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IS 1365Standard for slotted countersunk flat head screws from M1.6 to M10.
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IS 7169Standard for oval head self tapping screws.
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IS 7170Standard for flat head self tapping screws.
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IS 7173Standard for pan head self tapping screws.
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BS 57Specification. B.A. screws, bolts and nuts.
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BS 325Specification for black cup and countersunk bolts and nuts.
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BS 450Specification for machine screws and machine screw nuts (B.S.W. & B.S.F. threads).
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BS 768Specification for slotted grub screws.
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BS 916Specification for black bolts, screws and nuts, hexagon and square, with B.S.W. or B.S.F. threads.
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BS 1083Specification for precision hexagon bolts, screws and nuts (B.S.W. & B.S.F. threads).
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BS 1768Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series.
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BS 1769Specification for Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series.
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BS 1804-1Specification for parallel steel dowel pins. Inch series.
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BS 1804-2Specification for parallel steel dowel pins. Metric series.
