Aerospace. Internal six-lobe drives. Metric series1 Scope This International Standard specifies the dimensions of metric internal six lobe drives used in metric screws in nominal thread diameter range 3 mm to 20 mm. NOTE Pending publication of an International Standard relating to limit gauges, special care is required to ensure that the dimensions and tolerances specified in this International Standard are confirmed by alternative means.

Who is BS 7947 - Connectors used in the field of audio

It is applicable only to products which have been fired to a temperature equal to or greater than the upper limit of intended testing

Mica sheets are used to provide structure for heating wire (such as in Kanthal or Nichrome) in heating elements and can withstand up to 900 °C (1

and the sample measurement by semiconductor gamma-ray spectrometry

BS 4371 guidelines provide you with specifications for manufacturing fibrous gland packings of different materials

BS EN 3733-104 on the protective cover receptacle is useful for:

Annex A (normative) Methods for assessing levels and surface regularity

testing of completed installation

vegetation

It is mandatory to fulfil the requirements of a safe swimming pool

Rubber joints between units are only permitted for product development and factory production control testing

A bubble test is used to detect leaks by the immersion of the object in a test fluid or by covering its outer surface with a surfactant (foaming) solution