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Aerospace series. External spiral drive heads for threaded fasteners. Geometrical definition and fastener head wrenching configuration. Original standard BS EN 4852-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Externally threaded fastener, 100° countersunk normal head, Spiral Drive Recess. Classification: 1 100 MPa (at ambient temperature)/425 °C. Original standard BS EN 4853-2022 in PDF full version. Additional info + preview on request

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Aerospace series - Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner low starting torque and low friction coefficient elevated duty cycles under low oscillations at different operating conditions, narrow series Part 1: Dimensions and loads for narrow series. Original standard BS EN 4854-1-2019 in PDF full version. Additional info + preview on request

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Aerospace series - Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner low starting torque and low friction coefficient elevated duty cycles under low oscillations at different operating conditions, wide series Part 2: Dimensions and loads. Original standard BS EN 4854-2-2019 in PDF full version. Additional info + preview on request

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Aerospace series - Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner, low starting torque and low friction coefficient, elevated duty cycles under low oscillations at different operating conditions Part 3: Technical specification. Original standard BS EN 4854-3-2019 in PDF full version. Additional info + preview on request

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Aerospace series. ECO efficiency of catering equipment - General conditions. Original standard BS EN 4855-01-2020 in PDF full version. Additional info + preview on request

Document status: Withdrawn