STB PDF

Original standard BS 4133-1967 (1974) in PDF full version. Additional info + preview on request

Document status: Active

Method of evaluating pneumatic valve positioners with input signal of 3 to 15 lbf/in² (gauge). Original standard BS 4151-1967 in PDF full version. Additional info + preview on request

Document status: Active

Hexagon socket screws and wrench keys: metric series - Specification for hexagon socket head cap screws. Original standard BS 4168-1-1981 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Hexagon socket screws and wrench keys: metric series - Specification for hexagon socket shoulder screws. Original standard BS 4168-7-1982 in PDF full version. Additional info + preview on request

Document status: Active

Specification for self-tapping screws and metallic drive screws. Original standard BS 4174-1972 in PDF full version. Additional info + preview on request

Document status: Active

Compasses for use with pencils in schools. Original standard BS 4188-1967 in PDF full version. Additional info + preview on request

Document status: Withdrawn