IS 2540-1963
Thread center hole size

Standard No.

IS 2540-1963

Release Date

1964

Published By

IN-BIS

Latest

IS 2540-1963

Scope

This standard prescribes the dimensions of threaded centre holes with 60° countersink.

IS 2540-1963 history

• 1964 IS 2540-1963 Thread center hole size