BS 7764-1994 Specification for hexagon slotted nuts and castle nuts《六角形开槽螺母和槽顶螺母规范》.pdf
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1、BRITISH STANDARD BS 7764:1994 Specification for Hexagon slotted nuts and castle nutsBS7764:1994 This British Standard, having been prepared under the directionof the Engineering SectorBoard, was published underthe authority of the Standards Board and comesintoeffect on 15December1994 BSI 09-1999 The
2、 following BSI references relate to the work on this standard: Committee reference GME/9 Draft for comment 93/714881DC ISBN 0 580 23200 X Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee GME/9, upon which the following bod
3、ies were represented: BEAMA Ltd. British Constructional Steelwork Association Ltd. British Industrial Fasteners Federation British Steel Industry British Steel Industry (Wire Section) Gauge and Tool Makers Association National Association of Fastener Stockholders Society of Motor Manufacturers and T
4、raders Limited Washer Manufacturers Association of Great Britain The following bodies were also represented in the drafting of the standard, through subcommittees and panels: Defence Manufacturers Association General Municipal Boilermaker and Allied Trades Union Screw Thread Tool Manufacturers Assoc
5、iation Society of British Aerospace Companies Limited Amendments issued since publication Amd. No. Date CommentsBS7764:1994 BSI 09-1999 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Normative references 1 3 Dimensions 1 4 Characteristics 1 5 Designation 1 Figure 1
6、 Dimensions of slotted nuts 3 Figure 2 Dimensions of castle nuts 4 Table 1 Dimensions of hexagon slotted nuts and castle nuts 2 Table 2 Characteristics of hexagon slotted nuts and castle nuts 3 List of references Inside back coverBS7764:1994 ii BSI 09-1999 Foreword This British Standard has been pre
7、pared by Technical Committee GME/9 to provide a standard for hexagon slotted and castle nuts. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does n
8、ot of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 to4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This wi
9、ll be indicated in the amendment table on the inside front cover.BS7764:1994 BSI 09-1999 1 1 Scope This British Standard specifies the requirements for hexagon slotted nuts and castle nuts with ISO metric coarse pitch threads for a range of values from M4 to M64 inclusive. 2 Normative references Thi
10、s British Standard incorporates by dated or undated reference, provisions from other publications. These normative references are made at the appropriate places in the text and the cited publications are listed on the inside back cover. For dated references, only the edition cited applies; any subse
11、quent amendments to or revisions of the cited publication apply to this British Standard only when incorporated in the reference by amendment or revision. For undated references, the latest edition of the cited publications applies, together with any amendments. 3 Dimensions The dimensions of hexago
12、n slotted nuts and castle nuts shall be as given inTable 1 andFigure 1 andFigure 2. 4 Characteristics The characteristics of hexagon slotted nuts and castle nuts shall be as given inTable 2. 5 Designation When designating nuts for the purpose of an enquiry or order, the following information shall b
13、e given: a) the material; b) whether the product is to be washer faced; c) general product description, i.e. hexagon slotted nut; d) the letter “M” indicating that the product is ISO metric; e) the nominal size (thread diameter) of the product in millimetres; f) the property class of the product; g)
14、 the number of this British Standard, i.e. BS7764:1994; h) details of the coating (if required) and the relevant British Standard where applicable. Example The designation of a steel M12 washer faced hexagon slotted nut of property class8 is as follows: Steel washer faced hexagon slotted nut M12 pro
15、perty class8 to BS7764:1994.BS 7764:1994 2 BSI 09-1999 Table 1 Dimensions of hexagon slotted nuts and castle nuts Dimensions in millimetres d M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64 p 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.
16、5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 c max. 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1 d a min. 4 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64 max. 4.6 5.75 6.75 8.75 10.8 13 15.1 17.3 19.5 21.6 23.7 25.9 29.1 32.4 35.6 38.9 42.1 45.4 48.6 51.8 56
17、.2 60.5 64.8 69.1 d e max. 16 19 22 25 28 30 34 38 42 46 50 55 58 62 65 70 75 80 85 min. 15.57 18.48 21.48 24.16 27.16 29.16 33 37 41 45 49 53.8 56.8 60.8 63.8 68.8 73.8 78.8 83.8 d w min. 5.9 6.9 8.9 11.6 14.6 16.6 19.6 22.5 24.8 27.7 31.4 33.2 38 42.7 46.6 51.1 55.9 59.9 64.7 69.4 74.2 78.7 83.4 8
18、8.2 e min. 7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 29.58 32.95 37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86 m max. 5 6 7.5 9.5 12 15 16 19 21 22 26 27 30 33 35 38 40 46 48 50 54 57 63 66 min. 4.7 5.7 7.14 9.14 11.57 14.57 15.57 18.48 21.48 21.48 25.48 25.48
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