BS 7371-12:2008
$86.31
Coatings on metal fasteners – Requirements for imperial fasteners
Published By | Publication Date | Number of Pages |
BSI | 2008 | 14 |
This standard gives thickness requirements for coatings on imperial metal fasteners and can be used in conjunction with all parts of BS 7371.
NOTE 1 For information on coating materials, see the relevant part of BS 7371.
This standard does not cover components such as self-tapping screws and wood screws.
This standard includes area tables (in square inch units) for imperial fasteners, and factors for thickness determination (see Table 2 to Table 8).
NOTE 2 Details concerning cadmium have not been included in this standard due to the restrictions placed on the marketing and use of cadmium and its compounds contained in national and international regulations.
PDF Catalog
PDF Pages | PDF Title |
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3 | Contents 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Screw thread dimensions 1 5 Coating thickness 2 6 Application and type of coating 2 7 Measurement of coating thickness 2 Annexes Annex A (informative) Strip and weigh method for the determination of group and sample average plating thickness of silver 8 Bibliography 9 List of tables Table 1 – Plating thickness 2 Table 2 – Screws and bolts: B.S.W. and B.S.F. threads 3 Table 3 – Screws and bolts: UNC and UNF threads 4 Table 4 – Screws and bolts: B.A. threads 5 Table 5 – Screws and bolts: B.S.C. and B.S.P. threads 5 Table 6 – Nuts: B.S.W. and B.S.F. threads 6 Table 7 – Nuts: B.A. threads 6 Table 8 – Nuts: UNC and UNF threads 7 |
4 | Foreword |
5 | 1 Scope 2 Normative references 3 Terms and definitions 4 Screw thread dimensions |
6 | 5 Coating thickness Table 1 Plating thickness 6 Application and type of coating 7 Measurement of coating thickness |
7 | Table 2 Screws and bolts: B.S.W. and B.S.F. threads |
8 | Table 3 Screws and bolts: UNC and UNF threads |
9 | Table 4 Screws and bolts: B.A. threads Table 5 Screws and bolts: B.S.C. and B.S.P. threads |
10 | Table 6 Nuts: B.S.W. and B.S.F. threads Table 7 Nuts: B.A. threads |
11 | Table 8 Nuts: UNC and UNF threads |
12 | Annex A (informative) Strip and weigh method for the determination of group and sample average plating thickness of silver a) sulphuric acid (d 1.84): 19 parts by volume; b) nitric acid (d 1.42): 1 part by volume; c) temperature: 60 ˚C-70 ˚C. |
13 | Bibliography |