STM PDF

Fasteners - Hexagon head screws - Product grades A and B. Original standard ISO 4017-2022 in PDF full version. Additional info + preview on request

Document status: Active

Fasteners - Hexagon head screws - Product grade C. Original standard ISO 4018-2022 in PDF full version. Additional info + preview on request

Document status: Active

Structural steels - Cold-formed, welded, structural hollow sections - Dimensions and sectional properties. Original standard ISO 4019-2001 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 10799-2-2011

Road vehicles - Fuel filters for diesel engines - Test methods. Original standard ISO 4020-2001 in PDF full version. Additional info + preview on request

Document status: Active

Hydraulic fluid power - Particulate contamination analysis - Extraction of fluid samples from lines of an operating system. Original standard ISO 4021-1992 in PDF full version. Additional info + preview on request

Document status: Active

Permeable sintered metal materials - Determination of fluid permeability. Original standard ISO 4022-2018 in PDF full version. Additional info + preview on request

Document status: Active