raising standards worldwide ™ NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication BS EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013) Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 07/02/2013 12:40, (c) The British Standards Institution 2012