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BS 5221

1987 Edition, June 30, 1987

Complete Document

Specification for General purpose, metric module gear hobs

Includes all amendments and changes through Reaffirmation Notice , September 2005


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Superseded By: BS ISO 4468

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W/D S/S BY BS ISO 4468
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Description / Abstract:

Dimensional and accuracy requirements for non-topping single start right handed and left handed hobs used in the manufacture of spur and helical gears in accordance with BS 436-2. Dimensional requirements apply to monobloc hobs only, however the accuracy requirements may be used for monobloc or inserted tooth hobs.