STM PDF

Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2- Nuts with specified property classes. Original standard ISO 898-2-2022 in PDF full version. Additional info + preview on request

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

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Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3- Flat washers with specified property classes - Amendment 1. Original standard ISO 898-3-2018 amd1-2020 in PDF full version. Additional info + preview on request

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Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5- Set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread. Original standard ISO 898-5-2012 in PDF full version. Additional info + preview on request

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Mechanical properties of fasteners - Part 7- Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm. Original standard ISO 898-7-1992 in PDF full version. Additional info + preview on request

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

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