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Primary Applications and Purpose
The primary reasons for using a sealing screw, include:
Fluid Containment: To perform fluid containment of water, oil, fuel, hydraulic fluid, coolant, or gas from leaking from a component.
Contamination Exclusion: To perform contamination exclusion of dust, dirt, moisture, and other contaminants from entering a system via a threaded opening.
Pressure Retention: To perform pressure retention (or vacuum) within a housing or system.
Simplified Assembly: To simplify assembly and decrease the number of components and process steps because the fastener and the seal or gasket are produced as part of one component. This decreases assembly time and the opportunity for assembly error.
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"We had a hydraulic press that constantly leaked fluid from the access panels. We tried numerous types of sealants and tapes, but the constant vibration dented the tape and the sealant failed inevitably. A colleague of mine suggested trying sealant screws, and their own built-in O-ring was unbelievable. They were easy to install while using a regular wrench, and we haven't had any leaks in over six months. And the time and money saved."
"I was restoring a classic car and had a slow oil pan leak from a flange that was slightly warped. Rather than taking the car to a machine shop for expensive machining, I decided to try a sealing screw with a copper washer—and it worked great! The sealing screw contained a metal seal that matched the imperfection and sealed the leak. It has become my go-to for any fluid access point on my vehicles. They are way better than using a regular screw and separate washer."
Yuhuang Technology Lechang Co., LTD specializes in non-standard hardware fastener R&D and precision fastener production. ISO-certified, serving 5G, aerospace industries. Trusted by Huawei, Xiaomi. Request a quote today.
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