BS EN 4635:2009 : Title: Aerospace series. Screws, 100° countersunk head, six lobes recess, short thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1270 MPa (at ambient temperature) / 650 °C Pages: 10 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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