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Plastics piping systems. Mechanical joints between fittings and pressure pipes. Test method for leaktightness under internal pressure of assemblies subjected to bending. Original standard BS EN ISO 3503-2015 in PDF full version. Additional info + preview on request

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Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Bolts, screws and studs with specified grades and property classes. Original standard BS EN ISO 3506-1-2020 in PDF full version. Additional info + preview on request

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Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Nuts with specified grades and property classes. Original standard BS EN ISO 3506-2-2020 in PDF full version. Additional info + preview on request

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Fasteners. Mechanical properties of corrosion resistant stainless steel fasteners - Set screws (and similar fasteners not under tensile stress) with specified grades and hardness classes. Original standard BS EN ISO 3506-3-2025 in PDF full version. Additional info + preview on request

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Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Tapping screws with specified grades and hardness classes. Original standard BS EN ISO 3506-4-2025 in PDF full version. Additional info + preview on request

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Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners. Special fasteners (also including fasteners from nickel alloys) for high temperature applications. Original standard BS EN ISO 3506-5-2023 in PDF full version. Additional info + preview on request

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