BS 4185-9:1976
Current
The latest, up-to-date edition.
Specification. Machine tool components. Levelling screws, nuts and seating plates
Hardcopy , PDF
English
30-04-1976
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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.
| 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 |
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).
| Standards | Relationship |
| PNE-EN 15119-2 | Identical |
| 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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