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Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Ports with truncated housing for O-ring seal. Original standard BS EN ISO 6149-1-2022 in PDF full version. Additional info + preview on request

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Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends. Original standard BS EN ISO 6149-2-2007 in PDF full version. Additional info + preview on request

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Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Dimensions, design, test methods and requirements for light-duty (L series) stud ends. Original standard BS EN ISO 6149-3-2007 in PDF full version. Additional info + preview on request

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Connections for fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Dimensions, design, test methods and requirements for external hex and internal hex port plugs. Original standard BS EN ISO 6149-4-2017 in PDF full version. Additional info + preview on request

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Fasteners. Surface discontinuities - Nuts. Original standard BS EN ISO 6157-2-2004 in PDF full version. Additional info + preview on request

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Metallic and other inorganic coatings. Electrodeposited coatings of chromium for engineering purposes. Original standard BS EN ISO 6158-2018 in PDF full version. Additional info + preview on request

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