
Aerospace series - Screws, 100? countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, aluminium IVD coated - Classification: 1100 MPa (at ambient temperature)/425 ?C
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專(zhuān)家解讀視頻
PREN 4072:1999 - Identical