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BS 4A 116:2012

Current
Current

The latest, up-to-date edition.

Steel pan head bolts (Unified threads), cadmium plated, for aircraft
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-2012

Foreword
1 Scope
2 Normative references
3 General requirements
4 Material and manufacture
5 Dimensions
6 Screw threads
7 Protective finish
8 Identification and marking
9 Inspection procedure
Annexes
Annex A (informative) - Table for conversion of inches
        to approximate millimeter equivalents
Bibliography

Defines the materials, dimensions, finish and inspection requirements for steel pan head bolts with unified threads, cadmium plated for aircraft.

ThisBritishStandardspecifiesthematerials,dimensions,finishandinspection requirementsforsteelpanheadboltswithUnifiedthreads,cadmiumplated,for aircraft.

NOTE 1 The values in British units are to be regarded as the standard. Table A.1 provides a ready means of calculating the approximate millimetre equivalents of the inch dimensions. More accurate conversions should be based on the tables in BS 350.

NOTE 2 In place of the customary, but incorrect, use of the ton as a unit of force, the unit called a ton force (abbreviation tonf) is used in this British Standard. It is the force which, when acting on a body of mass one ton, gives an acceleration equal to that of standard gravity.

Committee
ACE/12
DevelopmentNote
Supersedes BS 3A116(1962) and 11/30252412 DC. (03/2012)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 2S96(1964) : LATEST 2.5% NICKEL-CHROMIUM-MOLYBDENUM STEEL (55/65 TONF/SQ IN: LIMITING RULING SECTION 6 IN.)
BS 3S95(1967) : 1967 SPECIFICATION FOR 1[1/2] PER CENT NICKEL-CHROMIUM-MOLYBDENUM STEEL - (880/1080 MPA: LIMITING RULING SECTION 150 MM)
BS 2S 114:1964 Specification for aircraft material. Manganese-molybdenum steel (55/65 tonf/sq in: limiting ruling section 2½ inches)
BS 2S 116:1964 Specification for aircraft material. \'40\' carbon steel bright bars for machining (55-65 tonf/sq in: limiting ruling section ¾ inch) (primarily intended for the manufacture of machined bolts)
BS 2S 149:1976 Specification for 1.75% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
BS S 154:1976 Specification. 2½% nickel-chromium-molybdenum steel billets, bars, forgings and parts (880-1080 MPa: limiting ruling section 150 mm)
BS S148(1969) : 1969 SPECIFICATION FOR LOW NICKEL-CHROMIUM STEEL (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS 3S102(1969) : 1969 SPECIFICATION FOR CARBON-MOLYBDENUM STEEL (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS EN 2133:2010 Aerospace series. Cadmium plating of steels with specified tensile strength ≤ 1450 MPa, copper, copper alloys and nickel alloys
BS 3S105(1969) : 1969 SPECIFICATION FOR CARBON STEEL - (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS 350:2004 Conversion factors for units
BS 2S 117:1964 Specification for aircraft material. 1 per cent chromium steel (55/65 tonf/sq in: limiting ruling section 1⅛ inch)
BS 4A 100:2003 Specification for general requirements for bolts and free running nuts of tensile strength not exceeding 1249 MPa
BS S 158:1977 Specification for 1% chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
BS 2S 147:1976 Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
BS 2S103(1964) : LATEST LOW NICKEL CHROMIUM STEEL (WIRE ONLY FOR THE MANUFACTURE OF BOLTS)
DEFSTAN 03-19/4(2010) : 2010 ELECTRO-DEPOSITION OF CADMIUM

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