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Hexagon socket screws and wrench keys- metric series - Specification for hexagon socket countersunk head screws. Original standard BS 4168-8-1982 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of total phosphorus (V) oxide content- quinoline phosphomolybdate gravimetric method. Original standard BS 4258-7-1978 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Methods for assessing the performance characteristics of ultrasonic flaw detection equipment - Overall performance- on-site methods. Original standard BS 4331-1-1978 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Cylindrical gears - system of accuracy - Part 5- Definitions and allowable values of deviations relevant to radial composite deviations and runout information. Original standard BS 436-5-1997 (2000) ISO 1328-2-1997 in PDF full version. Additional info + preview on request

Document status: Active

Woodworking machines - Part 21- Specification for turning lathes. Original standard BS 4361-21-1989 (1999) ISO 7987-1985 in PDF full version. Additional info + preview on request

Document status: Active

Woodworking machines - Part 7- Specification for thickness planing machines with rotary cutterblock for one-side dressing. Original standard BS 4361-7-1988 (1999) ISO 7568-1986 in PDF full version. Additional info + preview on request

Document status: Active