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GB /T 1337-1988
六角自锁螺母
Counterbores for hexagon socket head and slotted cheese head screws
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GB /T 1338-1998
小六角扁自锁螺母
Hexagon self-locking nuts
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GB /T 2161-1991
机床夹具零件及部件 六角头压紧螺钉
The parts and units of jigs and fixtures-Hexagon head holddown screw
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GB /T 2256-1991
机床夹具零件及部件 塑料夹具用六角螺钉
The parts and units of jigs and fixtures.hex screw for plastic fixture
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GB /T 2269-1991
机床夹具零件及部件 镗套螺钉
The parts and units of jigs and fixtures.Boring sleeve screw
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GB /T 16824.1-1991
六角凸缘自攻螺钉
Hexagon head tapping screws with collar
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GB /T 21934-2008
土方机械沉头方颈螺栓
Earth-moving machinery - Plough bolt
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GB /T 13807.3-1992
腰状杆螺柱连接副 螺母
Wasited studs connecting component nuts
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GB /T 2163-1991
机床夹具零件及部件 活动手柄压紧螺钉
The parts and units of jigs and fixtures.Movable handle holddown screw
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GB /T 2257-1991
机床夹具零件及部件 塑料夹具用内六角螺钉
The parts and units of jigs and fixtures.Inner hex screw for plastic fixtures
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