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BSI BS 3555:1988

Specification for ring wrenches
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BSI BS 3555:1988

Specification for ring wrenches

PUBLISH DATE 1988
PAGES 14
BSI BS 3555:1988

This British Standard specifies dimensional, testing and other requirements for ring wrenches for metric, unified and British Standard hexagon bolts, nuts and machine screws specified in BS 916, BS 1083, BS 1768, BS 1769, BS 1981, BS 3139, BS 3692, BS 4183, BS 4190, BS 4395, ISO 272, and for hexagonal headed bolts of various materials in the aerospace series.

It covers hexagon and bi-hexagon double-ended ring wrenches in the following range:

  • metric wrenches 3.2 mm to 60 mm (across flats);
  • unified wrenches ÂĽ in to 2 in (across flats);
  • BS wrenches, ÂĽ in to 1â…ś in (thread diameter) and Whitworth (large) wrenches, 3/16 in to 1ÂĽ in (thread diameter).

Appendix A describes a test for resistance to torque and Appendix B gives guidance on the safe use of ring wrenches. Appendix C lists information to be supplied by the purchaser when ordering ring wrenches.

The principal requirements of this standard also apply to single-ended ring wrenches except that the overall length of single-ended ring wrenches are subject to agreement between the purchaser and the supplier.

NOTE: The titles of the publications referred to in this standard are listed on the inside back cover.

Gives form, dimensions, sizes and hardness requirements.

SDO BSI: British Standards Institution
Document Number 3555
Publication Date Nov. 30, 1988
Language en - English
Page Count
Revision Level
Supercedes
Committee MTE/15
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