Specification for double-ended open-jawed spanners for B.A. hexagon sizesWhat is BS 1842 Double ended open jawed spanners about? This British standard aims to help its users to meet the production requirements for double ended open jawed spanners. BS 1842 relates to spanners having open ended jaws suitable for hexagons in the B. A. (British Association) range as given in BS 57, B. A. bolts, screws, nuts and washers. Details of material and hardness are included together with dimensions and tolerances on the jaw openings.

BS EN 998 provides both prescriptive and design approaches to factory made mortar

suitable for navigation in inshore and sheltered waters

concerning current harmonized European machinery safety standards

BS EN 1995-1-1 has been fully revised by experts to bring it up to date with the latest technological developments in timber and industry best practice

Determination of efficiency (synchronous machines)

Design procedure

BS 10754-1 on systems trustworthiness is useful for:

and is relevant to all personnel who are involved in the planning

Using 50377-8-13 you can understand the initial

Carriers subcontracting transport operations

b) marking pressure vessels and/or keeping records

This method is not suitable for particles larger than 20 µm because of their short settling times