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Sealing screws are engineered with an integrated O-ring or silicone washer to prevent the leakage of liquids, moisture, dust, and gases across threaded connections, ensuring high-reliability waterproof protection.
They are commonly fabricated from 304 stainless steel, 316 stainless steel, or zinc-plated carbon steel, combined with elastomeric sealing elements such as silicone, NBR, or Viton.
Yes, sealing screws can generally be reused, provided that the integrated O-ring or sealing washer remains intact and free from mechanical damage during removal.
They are widely applied in outdoor electronics, automotive enclosures, marine components, medical hardware, and industrial machinery where IP-rated ingress protection is necessary.
Yes, precision manufacturing options support custom specifications including hex socket, hex washer, pan head, various metric thread diameters (such as M4, M5), and specific groove designs.
