STB PDF

Ophthalmic optics Uncut finished spectacle lenses Part 1: Specifications for single-vision and multifocal lenses (ISO 8980-1:2017). Original standard UNE-EN ISO 8980-1-2018 in PDF full version. Additional info + preview on request

Document status: Active

Ophthalmic optics Uncut finished spectacle lenses Part 2: Specifications for power-variation lenses (ISO 8980-2:2017). Original standard UNE-EN ISO 8980-2-2018 in PDF full version. Additional info + preview on request

Document status: Active

Ophthalmic optics - Uncut finished spectacle lenses - Part 3- Transmittance specifications and test methods. Original standard UNE-EN ISO 8980-3-2014 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 8980-3-2023

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1- Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread. Original standard UNE-EN ISO 898-1-2015 in PDF full version. Additional info + preview on request

Document status: Active

Mech alloy s Part 2 Coars (ISO 8 Caracterí. Original standard UNE-EN ISO 898-2-2013 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 898-2-2023

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3: Flat washers with specified property classes (ISO 898-3:2018). Original standard UNE-EN ISO 898-3-2019 in PDF full version. Additional info + preview on request

Document status: Active