BS 5221:1975
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for gear hobs, metric module
Hardcopy
30-06-1987
English
30-09-1975
Dimensions for non-topping single start right-hand and left-hand hobs for spur and helical gears in the range 1-20 metric module. Applies to gears produced to BS 436:Part 2, also to Grade AA hobs for gears for marine main propulsion units, land turbines and similar drives in the range 2-16 metric module.
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