BS EN 3819:2008 – Aerospace series — Clearance for wrenches and sockets

1 Scope
This standard defines the minimum clearance area required around nuts and bolt heads when using either double hexagon box or socket wrenches defined in AECMA standard.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 371 0, Aerospace series — Sockets, bi-hexagonal — Technical Specification 1 )
EN 371 1 , Aerospace series — Wrench-double ended, bi-hexagonal — Straight, cranked, offset 1 )
3 Clearance for box wrench according to EN 3711
BS EN 3819:2008 – Aerospace series — Clearance for wrenches and sockets