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New Reduced price! AS B294-1970 [ Obsolescent ] View larger

AS B294-1970 [ Obsolescent ]

M00007333

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AS B294-1970 [ Obsolescent ] Plain setting rings for internal measuring equipment (inch series)

standard by Standards Australia, 01/01/1970

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$6.50

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$15.12

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Full Description

Covers rings for setting instruments used for precision measurement of internal diameters by two-point or three-point contact methods, in a range of diameters from 0.08 in. to 6 in. It establishes a series of blank sizes; defines material, its heat treatment and hardness; and specifies requirements for working surface with respect to finish and accuracy. Three grades of accuracy are provided for. For metric series rings see AS 1001.