BS A260,A261,A262,A263,A264,A265(1976) : 1976 AMD 4065
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SPECIFICATION FOR METRIC SCREWS
30-09-2010
23-11-2012
Foreword
Specification
1 Scope
2 References
3 General requirements
4 Example of call up
5 Identification and marking
Tables
1 Sampling plan
2 Dimensions: pan head screws
3 Dimensions: 100 degree countersunk head screws
4 Material
5 Diameter/length codes
6 Hardness
Figures
1 Basic dimensions: pan head screws
2 Basic dimensions: 100 degree countersunk head screws
Give materials, dimensions, protective treatment, identification and marking, and part numbers for pan and 100 degree countersunk head screws having ISO metric screw threads. Primarily used on non-structural aerospace applications. Includes identification amd marking details. Illustrates basic dimensions: pan head screws, basic dimensions: 100 degree countersunk head screws.
| Committee |
ACE/12
|
| DevelopmentNote |
Supersedes 74/70959 DC (10/2005) Reviewed and confirmed by BSI, December 2009. (11/2009)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 4500(1969) : LATEST | |
| BS 3643(1963) : LATEST | |
| DTD 904C : MAY 63 | CADMIUM PLATING |
| BS 891:1940 | Direct reading hardness test (rockwell principle) |
| BS 970-4:1970 | Specification for wrought steels for mechanical and allied engineering purposes Valve steels |
| BS 2A 100:1968 | Specification for general requirements for bolts and nuts of tensile strength not exceeding 180000 lbf/in<sup>2</sup> (125 hbar) |
| BS 1134-1:1972 | Method for the assessment of surface texture Method and instrumentation |
| 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 2873:1969 | Specification for copper and copper alloys. Wire |
| BS 2S 142:1977 | Specification for 1% chromium-molybdenum steel billets, bars, forgings and parts (900-1100 MPa: limiting ruling section 40 mm) |
| BS 3S105(1969) : 1969 | SPECIFICATION FOR CARBON STEEL - (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY) |
| BS 427:1990 | Method for Vickers hardness test and for verification of Vickers hardness testing machines |
| BS S 158:1977 | Specification for 1% chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts |
| BS 4A 4:1966 | Test pieces and test methods for metallic materials for aircraft. Metric units |
| BS 2S 147:1976 | Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts |
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