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Aerospace. Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive,…

Determination of crystallizing point — General method

Overview ISO 1392:1977 specifies a general laboratory method for the determination of the crystallizing (crystallisation) point of liquids and liquefied samples across a wide temperature range (about…

Aerospace — Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive,…

Overview ISO 13921:2008 is an international aerospace standard that specifies the dimensions for 100° reduced countersunk head screws with an internal offset cruciform (ribbed or unribbed) drive. Pub…