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BS 978-3:1952
BS 978-3:1952 Specification for fine pitch gears. Bevel gears
standard by BSI Group, 01/24/1952
Reduced price!
M00017941
New product
Full Description
Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification, permissible errors and tolerances for Class A, Class B gears.Cross References:
BS 545
BS 721
BS 2519
