Anti Loosening Screw

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{"cid":"170982","pid":"28386132","pimg_url":"\/\/img1.b2bforus.com\/93\/31\/9a0d2d4197e7\/product\/103796361_s-w400xh400.jpg","name":"Customized High Precision Brass Hex Head Half Thread Hollow Cnc Machining Part Anti-loosening Screws","attrs":{"Price":"$1.42(100 - 999 Pieces) $0.48(>=1000 Pieces)","MOQ":"100 Pieces","Delivery Time":"15-25 Days","Brand":"Runsun"}}