BS EN 4072:2016 pdf download – Aerospace series — Screws, 100° countersunk normal head, offset cruciform recess, close tolerance shank, short thread in titanium alloy, aluminium IVD coated — Classification: 1100 MPa (at ambient temperature) / 425 °C 1 Scope This standard specifies the characteristics of screws, 100° countersunk normal head, offset cruciform recess, close tolerance shank, short thread, in titanium alloy, aluminium IVD coated. Classification: 1 100 MPa 1) / 425 °C 2) . 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series — Marking of aerospace products EN 4016, Aerospace series — Oversized bolts EN 6118, Aerospace series — Process specification — Aluminium base protection for fasteners EN 9100, Quality Management Systems — Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts ISO 3353-1, Aerospace — Lead and runout threads — Part 1: Rolled external threads ISO 5855-2, Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts ISO 5856, Aerospace — Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated,strength classes less than or equal to 1 100 MPa — Dimensions ISO 7913, Aerospace — Bolts and screws, metric — Tolerances of form and position ISO 9152, Aerospace — Bolts, with MJ threads, in titanium alloys, strength class 1 100 MPa — Procurement specification ISO 14275, Aerospace — Drives, internal, offset cruciform, ribbed — Metric series ISO 14276, Aerospace — Drives, internal, offset cruciform — Metric series TR 3775, Aerospace series — Bolts and pins — Materials MIL-DTL-83488, Coating, aluminum, high purity 3 Required characteristics 3.1 Configuration — Dimensions — Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 5856, expressed in millimetres and apply after surface treatment. Details of form not stated are left to the manufacturer’s discretion. 3.2 Tolerances of form and position ISO 7913. 3.3 Materials TR 3775: titanium alloy, strength class 1 100 MPa.BS EN 4072 pdf download.

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