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BS 4185-9:1976

BS 4185-9:1976

Current

Current

The latest, up-to-date edition.

Specification. Machine tool components. Levelling screws, nuts and seating plates

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-1976

Publisher

British Standards Institution

Foreword
Co-operating organizations
Specification
1 Scope
2 References
3 Material
4 Dimensions
5 Finish
6 Designation
7 Marking
Appendix
A Recommendations for the grouting of foundation bolts
   used in conjunction with levelling screw/holding down
   bolts
Table
1 Dimensions of levelling screws, locknuts and seating
   plates
Figures
1 Levelling screw assembly
2 Levelling screw, locknut and seating plate
3 Examples of installed levelling screw assemblies

Dimensions and materials for the metric series of screws for use with foundation (holding down) bolts and their related lock nuts and bolts. Nominal diameter only of the associated foundation bolts. Recommendations for thickness of flange with which levelling screws should be installed, for grouting foundation bolts and for maximum static load for levelling screws.

This standard specifies dimensions and materials for a metric series of levelling screws, which are intended for use in conjunction with foundation bolts (sometimes known as holding down bolts) (see Figure 1), and their related locknuts and seating plates. It also provides for alternative designs of levelling screw and locknut. This standard does not specify any details of the associated foundation bolts other than their nominal diameter.

To facilitate the proper installation of the levelling screws, recommendations are given as to the thickness of flange in which they should be used (see Table 1).

Recommendations for grouting foundation bolts are given in Appendix A.

Guidance is given as to the maximum recommended static load for the levelling screws (see Table 1).

Committee
MTE/1
DevelopmentNote
Supersedes 74/71865 DC (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 3692:1967 Specification for ISO metric precision hexagon bolts, screws and nuts. Metric units
BS 970-1(1972) : 1972
BS CP2012-1(1974) : 1974 CODE OF PRACTICE FOR FOUNDATIONS FOR MACHINERY - FOUNDATIONS FOR RECIPROCATING MACHINES
BS 3643-3:1967 ISO metric screw threads. Limits and tolerances for fine pitch threads (constant pitch series)

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PDF - English
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