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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BS 5221:1975
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for gear hobs, metric module
BSI Group , 09/30/1975
