IS 1821-1987
Clearance hole dimensions for bolts and screws

Standard No.

IS 1821-1987

Release Date

1987

Published By

IN-BIS

Latest

IS 1821-1987

Scope

This International Standard specifies clearance hole diameters for general purpose applications. These values result from bearing area calculations in connection with ISO bolt and nut product standards. NOTE — Clearance holes for special applications should be selected on the basis of design requirements.

IS 1821-1987 history

• 1987 IS 1821-1987 Clearance hole dimensions for bolts and screws