BS EN 4178:2017 : Title: Aerospace series. Screws, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa (at ambient temperature) / 315 °C Pages: 14 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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