BS 4185-10:1977
Current
The latest, up-to-date edition.
Machine tool components Trapezoidal threads for lead and feed screw assemblies
Hardcopy , PDF
English
31-03-1977
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Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Maximum material profile
5 Nominal values of pitch, lead and thread diameter
6 Accuracy class designations and requirements for
assembled screws and nuts
7 Designation
Appendix
A General guidance
Tables
1 Dimensions for maximum material profile
2 Nominal values of lead, pitch and thread diameter
3 Accuracy requirements for assembled screws and nuts
4 Dimensions of pitch diameter, major and minor
diameter for accuracy classes 25, 40, 60, 100 and 160
5 Factors for tolerances for the pitch diameters of
multi-start threads
Figures
1 Basic profile
2 Maximum material profile
Range of nominal diameters (10 to 100 mm), nominal pitches (2 to 20 mm) and tolerances. Does not include mounting criteria, length and material.
| Committee |
MTE/1
|
| DevelopmentNote |
Supersedes 75/75869 DC (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies a range of nominal diameters (10 mm to 100 mm), nominal pitches (2 mm to 20 mm) and tolerances for machine tool lead and feed screws and nuts.
This standard does not make any recommendations concerning features such as material, length or mounting criteria for lead and feed screws.
| Standards | Relationship |
| UNE-EN ISO 12312-1:2022 | Identical |
| BS 1104:1957 | Specification for general purpose Acme screw threads |
| ISO 2903:2016 | ISO metric trapezoidal screw threads — Tolerances |
| BS 4500-1:1969 | ISO limits and fits General, tolerances and deviations |
| BS 5346:1976 | Specification. ISO metric trapezoidal screw threads |
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