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8.8级细牙螺母高强度包邮
六角螺母细扣幼牙细牙
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幼牙螺杆M32M36M39M40M42M45M48M50x1.5x2x3细牙螺母细扣全牙丝杆
10.9级细牙六角螺母细扣幼牙螺帽M8M10M12M20M30M40M80*1.5x2x3x4
8.8级黑色细牙六角螺母M36M39M40M45M48M56M60M72M80*1.5x2x3x4mm
8.8级黑色细牙六角螺母M8M36M39M40M45M48M56M60M80*1.5x2x3x4mm
8.8级黑色细牙六角螺母M40M42M45M48M56M60M72M80x1.5x2x3x4mm
