Sealing Fasteners: O-Ring Sealing Screws

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High-Precision Threaded Sealing Plugs

These threaded sealing plugs are engineered with high-precision threading for an exceptional leak-proof interface. An optimized sealing geometry achieves an IP68 rating, protecting against…

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Magnetic Expansion Sealing Plugs

These magnetic sealing plugs feature an integrated high-strength magnetic core that actively captures and retains metallic particles in the system fluid. The component combines robust…

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Steel Ball Expansion Sealing Plugs

These ball-style expansion plugs use a high-precision mechanical expansion design. Driving a stainless steel ball into the sleeve expands the component permanently against the gallery wall…

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High-Performance Expansion Sealing Plugs

These expansion sealing plugs use a precision pull-to-expand mechanism for superior leak-proof integrity. Designed for permanent closure of process holes, they create a high-pressure…

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All-Aluminum High-Pressure Expansion Sealing Plugs

These all-aluminum expansion sealing plugs are engineered for high-integrity sealing of critical processing holes. Made from premium-grade aluminum alloy, they use an expansion mechanism…

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Sealed Self-Clinching Standoffs (Waterproof Series)

Toprecision sealed self-clinching standoffs combine a permanent threaded spacer with an integrated seal, delivering IP68-rated waterproof and dustproof performance. Clinched into thin metal…

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Sealed Bolts

Toprecision sealed bolts integrate an elastomeric O-ring in a precision under-head groove, creating a fastener that clamps and seals in a single action. They provide reliable leak-proof…

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NFE 25-511 Conical Lock Washers

Toprecision conical lock washers meet the NF E 25-511 standard and are made from spring steel. Their conical body supplies a lasting compensatory preload while staggered radial serrations…

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Type 69 Pre-applied Anaerobic Sealant Rivet Nut

Type 69 rivet nuts carry an advanced pre-applied adhesive coating. When the nut is set by standard riveting, the sealant layer cures to form a robust seal, delivering waterproof performance…

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Type 71 Flush Knurled Sealing Rivet Nut

The Type 71 Flush Knurled Sealing Rivet Nut integrates a flat head, a knurled body and a sealing function in one blind-installed fastener. Set by pull riveting, it provides a reliable…

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Knurled Panel Clinch Thumb Screw

The Knurled Panel Clinch Thumb Screw uses a precision knurled clinching structure to press permanently into sheet metal, forming a stable external threaded stud with an ergonomic head for…

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Multifunctional Sealing & Anti-Loosening Screw

Multifunctional Sealing & Anti-Loosening Screws achieve vibration resistance through pre-applied adhesive or specialized assembly components. With an integrated sealing ring beneath the…

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IP68 O-Ring Sealing Bolts

Using a precision under-head groove process, these fasteners integrate a high-performance O-ring to achieve threaded connection and fluid isolation at the same time. The product has passed…

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IP68 Pre-applied Adhesive Sealing Bolt

Manufactured by high-precision cold-heading, this bolt carries a specialized leak-proof sealant pre-applied to the thread. Tightening compresses the adhesive layer to fill the thread gaps…

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IP68 Pre-applied Adhesive Sealing Self-Clinching Standoff

Made from high-quality low-carbon steel or stainless steel, these standoffs integrate a precision pre-applied sealant process at the base. When clinched into sheet metal, the adhesive layer…

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IP68 O-Ring Sealing Nut

Featuring a precision integrated groove design, these nuts carry a high-performance fluororubber (FKM) O-ring. On tightening, the ring is highly compressed to fill the gaps between the…

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