Purchase Qty. Reference FOB Price
10,000-49,999 Pieces US$0.05
50,000-99,999 Pieces US$0.03
100,000+ Pieces US$0.01
Product Description
Product description Sealing screws The sealing screw consists of a threaded screw and a sealing ring. The threaded screw has a standard threaded structure and is tightly connected with other parts. The seal is placed at the bottom of the threaded screw to fill the gap between the threads and ...