From my workshop to your production line, I offer O-Ring Sealing Screws engineered for dependable sealing under vibration and temperature swings. You who buy in bulk care about reliability and cost per unit—that's why I focus on direct-from-manufacturers supply with consistent quality and traceability. These screws feature integrated rubber or elastomer O-rings that compress to seal threads and joints, reducing leak risks in hydraulic, pneumatic, and water systems. Available in stainless steel, carbon steel, or brass, with metric and imperial threads. We offer competitive Wholesale pricing and flexible MOQs to fit your project scale. I stock certifications and lot traceability for compliant manufacturing environments. Fast lead times, reliable packaging, and dedicated support for spec alignment, so your maintenance crews can install with confidence. If you’re a buyer looking for a solid long-term supplier, I can help you streamline sourcing of O-Ring Sealing Screws from trusted Manufacturers.
O-ring sealing screws blend a fastener with a sealed groove, offering leak-tight performance that professionals rely on for critical assemblies. They withstand vibration, high pressures, and wide temperature ranges, delivering dependable seals in hydraulic, pneumatic, and fluid systems. By integrating sealing and fastening in one unit, they cut assembly steps and reduce leak risk across industries. Global buyers can benefit from customizable options: material choices (stainless steel, alloys), O-ring elastomers (FKM, NBR, FFKM), gland geometry, thread standards, and packaging. A capable supplier provides design guidance, quality assurance, and traceability, plus certifications for RoHS, REACH, and ISO 9001. With scalable production and stable lead times, you can standardize procurement, simplify logistics, and deploy custom sealing screws across multi-region projects with confidence.
| Size | Screw Material | O-Ring Material | O-Ring Size (ID / CS) | Groove Type | Operating Temp (°C) | Max Torque (N·m) | Surface Finish | Notes |
|---|---|---|---|---|---|---|---|---|
| M4x0.7 | Stainless Steel A2-70 (304) | NBR | 9.0 mm / 2.0 | Standard | -40 to 120 | 0.15 | Plain | General light-duty sealing in dry to mildly humid environments |
| M5x0.8 | Stainless Steel A4-80 (316) | FKM | 11.0 mm / 2.5 | Flush | -55 to 200 | 0.25 | Black oxide | Marine-grade applications with chemical exposure |
| M6x1.0 | Alloy steel with passivation | FKM | 14.0 mm / 3.0 | Grooved | -60 to 180 | 0.40 | Zinc plated | High-pressure hydraulic service |
| M8x1.25 | Stainless Steel 316L | FKM | 20.0 mm / 3.5 | Groove with retainer | -50 to 220 | 0.75 | Passivated | Aerospace or automotive-grade sealing in harsh environments |
| M3x0.5 | Brass | NBR | 6.0 mm / 1.5 | Flush | -20 to 100 | 0.12 | Nickel-plated | Electronics housing and light-duty seals |
| M10x1.5 | Stainless Steel 316 | FKM | 24.0 mm / 4.0 | Standard | -60 to 230 | 1.20 | Black oxide | High-humidity and corrosive environments |
| M12x1.75 | Stainless Steel 304 | EPDM | 28.0 mm / 5.0 | Double-groove | -40 to 150 | 2.00 | Satin | Chemical processing and water-based systems |