BS 1660-7:1988

This standard BS 1660-7:1988 Machine tapers is classified in these ICS categories:

• 25.060.20 Dividing and tool-workpiece holding devices

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

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