BS 939:1977

$36.83

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BS 939:1977

$36.83

Specification for engineers' squares (including cylindrical and block squares)
standard by BSI Group, 09/30/1977

Format: PDF      In Stock

 

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Description

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 6
BS 1133:Section 19
BS 1134
BS 1452
BS 3643

Replaces BS 939:1962.

Incorporates the following:
AMD 4239 published 29 April 1983

Product Details

Published:
09/30/1977
ISBN(s):
0580096262
Number of Pages:
16
File Size:
1 file , 570 KB
Product Code(s):
00069263, 00069263, 00069263