Machine tapers Specification for extension adaptors with external 7/24 tapers for tools with Morse taper shanks

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-1988

Publisher

British Standards Institution

Specifies the dimensions and tolerances for adaptors (collets) for sizes 30, 40, 45, 50, 55 and 60 and Morse taper sizes 1 to 5.

This Part of BS 1660 specifies dimensions and tolerances for extension adaptors (collets) with external 7/24 tapers for sizes 30, 40, 45, 50, 55 and 60 and internal Morse taper sizes 1 to 5.

NOTE 1. Size 55 tapers are non preferred.

NOTE 2. The titles of the publications referred to in this standard are listed on the inside back page

Committee	W/-
DevelopmentNote	Supersedes BS 1660(1972) (07/2004) Supersedes 87/77517 DC. (06/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
DocumentType	Standard
Pages	4
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 1660:1972

BS 1660-1:1988	Machine tapers Specification for shanks and sockets with self-holding tapers (Morse and metric 5%)
BS 1660-4:1988	Machine tapers Specification for spindle noses and tool shanks with self-release 7/24 tapers