BS 4506:1970

Cooperating organizations
Foreword
Specification
1. Scope
2. Relation between forms
3. Dimensions and tolerances
Appendix
A. Transmissible torque values
Tables
1. Dimensions and tolerances of cylindrical shaft ends.
    Long and short series
2. Dimensions of conical shaft ends with parallel keys.
    Long series
3. Dimensions of conical shaft ends with parallel keys.
    Short series

Specifies shapes and sizes of cylindrical and conical shaft ends with keyways in diameters 6 mm to 630 mm inclusive. Provision is made for both long and short series and for external and internal screw threads for retaining matching parts by means of nut or screw.

1.1 This British Standard relates to(1) cylindrical shaft ends and (2) to conical shaft ends with parallel keyway, having a conicity of 1 in 10; both types in diameters from 6 mm to 630 mm inclusive.

1.2 Provision is made for long and short series of both cylindrical and conical shafts²⁾ over most of the diameter range and for the use of both external and internal screw threads for the securing nut or bolt on conical shaft ends.

NOTE 1 Recommendations for blending radii, and form and positional tolerances are being considered.

NOTE 2 Conical shaft ends with Woodruff keys and keyways will be the subject of a future standard.