BS 1660-4:1989
Machine tapers. Specification for spindle noses and tool shanks with self-release 7/24 tapers

Standard No.

BS 1660-4:1989

Release Date

1989

Published By

British Standards Institution (BSI)

Latest

BS 1660-4:1989

Replace

BS 1660 Part 4:1988 BS 1660 Part 8:1988 86/78124 DC 87/77517 DC

Scope

Dimensions in millimetres of 7/24 tapers and equipment for manual changing. Specifies external diameter and position of front face of the collar with respect to the taper in the case of attachment by the front face.

BS 1660-4:1989 history

• 1989 BS 1660-4:1989 Machine tapers. Specification for spindle noses and tool shanks with self-release 7/24 tapers
• 0000 BS 1660 Part 8:1988