• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of ASD-STAN/D 3/WG 2

DIN EN 4131 2025-09 Draft standard Aerospace series - Bolt, normal hexagonal head, coarse tolerance normal shank, medium length thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1250 MPa (at ambient temperature)/425 °C; German and English version prEN 4131:2025 More  Order from DIN Media
DIN EN 4138 2026-05 Draft standard Aerospace series - Screw, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C; German and English version prEN 4138:2026 More  Read draft and comment
DIN EN 4161 2020-08 Standards Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1 100 PMa (at ambient temperature)/235 °C; German and English version EN 4161:2019 More  Order from DIN Media
DIN EN 4162 2026-05 Draft standard Aerospace series - Screw, 100° countersunk normal head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C; German version ASD-STAN prEN 4162:2026 More  Read draft and comment
DIN EN 4163 2026-05 Standards Aerospace series - Screws 100° countersunk normal head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1100 MPa (at ambient temperature)/235 °C; German and English version EN 4163:2026 More  Order from DIN Media
DIN EN 4163 2025-09 Draft standard Aerospace series - Screw 100° countersunk normal head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C; German version ASD-STAN prEN 4163:2025 More  Order from DIN Media
DIN EN 4178 2026-05 Draft standard Aerospace series - Screw, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in titanium alloy, anodized, MoS₂ lubricated - Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version prEN 4178:2026 More  Read draft and comment
DIN EN 4269 2023-09 Standards Aerospace series - Nuts, anchor, self-locking, floating, two lug, reduced series, with counterbore, in steel, cadmium plated, MoS₂ lubricated - Classification: 1 100 MPa (at ambient temperature)/235 °C; German and English version EN 4269:2023 More  Order from DIN Media
DIN EN 4509 2026-05 Draft standard Aerospace series - Screw, 100° countersunk normal head, offset cruciform recess, threaded to head, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1 100 MPa (at ambient temperature)/315 °C; German version ASD-STAN prEN 4509:2026 More  Read draft and comment
DIN EN 4609 2020-01 Standards Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements; German and English version EN 4609:2019 More  Order from DIN Media

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