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BS 4185-7:1973

Current

Current

The latest, up-to-date edition.

Machine tool components Wide range collets

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

16-10-1973

Co-operating organizations
Foreword
Specification
1 Scope
2 Terms and definitions
3 Collet series and sizes
4 Dimensions and accuracy
5 Designation
6 Marking
7 Second operation work
Appendix
A Maximum wide range collet capacity obtainable for
   bars of round, hexagonal and square cross-section for
   each series and type
Tables
1 Wide range collet series and hole sizes for round,
   hexagonal and square bar
2 Dimensions of wide range collets, Type A, B and C
3 Tolerances on concentricity
Figure
1 Wide range collets

Specifies three distinct types and gives dimensions for interchangeability and accuracy requirements. The collets may be used in either lead length or draw-in collet chucks of suitable design and they may be used in various makes of capstan and turret lathes and on single spindle automatic lathes.

Committee
MTE/1
DevelopmentNote
Supersedes 71/37072 DC (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

1.1 This standard specifies a metric series of wide range collets. Three distinct types, designated Type A, Type B and Type C, are detailed, the external dimensions of which allow interchangeability of types with the various makes of capstan and turret lathes.

1.2 Wide range collets to this standard may be used in either dead length or draw-in collet chucks of suitable design.

1.3 Wide range collets to this standard may also be used on single spindle automatic lathes. However, it may be necessary to provide the collet chuck with two operating sleeves in order to obtain the full collet range.

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