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GB930-1988 Double ear support plate self-locking nut

Custom-made special-shaped products can be processed according to drawings
QJ3079.7-1998 double-ear support plate self-locking nut, aerospace standard parts. 
Material 30CrMnSiA, hardness 30~36HRC, galvanized passivation.
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Custom-made special-shaped products can be processed according to drawingsQJ3079.7-1998 double-ear support plate self-locking nut, aerospace standard parts. Material 30CrMnSiA, hardness 30~36HRC, galvanized passivation.

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