Squares of try-square type in three grades of accuracy: AA, A, B; cylindrical squares in grade AA; solid form block squares in grades AA, A; open form block squares in grades A, B. Nomenclature, designation, sizes, material, manufacture, design, accuracy, marking, protection, testing.Cross References:BS 1133:Section 6BS 1133:Section 19BS 1134 BS 1452BS 3643Replaces BS 939:1962.Incorporates the following:AMD 4239 published 29 April 1983
Original price was: $190.50.$95.00Current price is: $95.00.
Specification for engineers’ squares (including cylindrical and block squares)
BSI Group , 09/30/1977
Pages: 16
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