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New Reduced price! BS 5221:1987 View larger

BS 5221:1987

M00000428

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BS 5221:1987 Specification for general purpose, metric module gear hobs

standard by BSI Group, 06/30/1987

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$63.35

-57%

$147.32

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Full Description

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.

Cross References:
BS 436:Part 2
BS 2519:Part 1
BS 2519:Part 2
BS 4500:Part 1
BS 5517