I am a China-based Manufacturer and I bring you Cap Head Seal Screws built for harsh environments and tight assemblies. We offer a corrosion-resistant solution with a built-in sealing feature that keeps moisture and dust out while maintaining a clean surface finish. Our Cap Head Seal Screws come in stainless steel and alloy options, with metric sizes M3 to M8, drive types hex socket and Torx, and thread lengths to suit your needs. Each batch is processed under strict QA, ensuring tight tolerances and consistent head height for easy auto-feed in high-volume manufacturing. We supply with short lead times and flexible packaging for OEMs and distributors. Our team can tailor seal material, coating, and dimensions to your application, whether electronics enclosures, automotive, or machinery assembly. If you’re sourcing from a China manufacturer, you’ll appreciate our transparent pricing, clear LCs, and responsive service. Let me know your required size, finish, and quantity, and we’ll quote quickly.
Cap head seal screws are becoming the go-to choice for reliable, compact assemblies in 2025. Their built-in seal, tight tolerances, and robust head drive deliver dependable performance in demanding environments. The winning approach combines material selection, precision machining, and an end-to-end sourcing plan: from corrosion-resistant alloys and surface finishes to optimized thread forms and sealing geometry. A true end-to-end partner offers engineering support, rapid prototyping, testing, and traceability so every batch meets strict quality standards. Global buyers gain from scalable production, flexible minimums, and reliable lead times, with integrated logistics and clear quality data. Seek suppliers offering material certificates, RoHS/REACH compliance, and value-added services such as custom packaging and labeling. An effective end-to-end solution reduces risk, shortens time to market, and makes the cap head seal screw a strategic component in diverse industries.
| SKU | Product Type | Material | Head/Drive | Thread Size | Length (mm) | Seal Type | Surface Finish | Temperature Range (C) | Corrosion Resistance | Min Pull-Out Strength (N) | Max Torque (Nm) | Standards | Applications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CHS-001 | Cap Head Screw with Seal | Stainless Steel 304 | Hex Socket Cap Head, Allen | M3 | 6 | O-ring under head (EPDM) | Black Oxide Passivated | -40 to 120 | High | 850 | 0.50 | ISO 898-1; DIN 912; RoHS | Electronics, precision equipment, automotive interior |
| CHS-002 | Cap Head Screw with Seal | Stainless Steel 304 | Hex Socket Cap Head, Allen | M4 | 8 | Integrated PTFE gasket | Satin | -60 to 150 | Very High | 1200 | 0.75 | ISO 898-1; DIN 912 | Outdoor enclosures, machinery |
| CHS-003 | Cap Head Screw with Seal | Stainless Steel 316 | Hex Socket Cap Head, Allen | M5 | 12 | Rubber O-ring | Passivated | -40 to 150 | Excellent (marine-grade) | 1900 | 1.10 | ISO 3506; DIN 912 | Marine, chemical processing |
| CHS-004 | Cap Head Screw with Seal | Stainless Steel 316 | Hex Socket Cap Head, Allen | M6 | 20 | PTFE gasket | Bright | -55 to 200 | Excellent | 2600 | 1.80 | ISO 898-1; DIN 912; RoHS | Heavy machinery, hydraulics |
| CHS-005 | Cap Head Screw with Seal | Stainless Steel 304 | Hex Socket Cap Head, Allen | M4 | 12 | Elastomer gasket under head | Black oxide with passivation | -40 to 125 | High | 1100 | 0.60 | ISO 898-1; RoHS | Consumer electronics, housing |
| CHS-006 | Cap Head Screw with Seal | Stainless Steel 304 | Hex Socket Cap Head, Allen | M5 | 16 | PTFE ring | Satin | -60 to 180 | Very High | 1500 | 0.95 | ISO 898-1; DIN 912 | Automotive assembly |
| CHS-007 | Cap Head Screw with Seal | Carbon Steel with Black Oxide | Hex Socket Cap Head, Allen | M3 | 10 | Silicone O-ring | Black Oxide | -30 to 100 | Moderate | 700 | 0.45 | ISO 898-1; SAE J429 | Consumer appliances |
| CHS-008 | Cap Head Screw with Seal | Stainless Steel 316 | Hex Socket Cap Head, Allen | M8 | 25 | PTFE gasket | Bright polished | -20 to 230 | Excellent | 3200 | 3.20 | ISO 898-1; DIN 912; RoHS | Outdoor equipment, marine |
| CHS-009 | Cap Head Screw with Seal | Zinc-plated Carbon Steel | Hex Socket Cap Head, Allen | M6 | 12 | Elastomer under head | Zinc plated | -20 to 100 | Moderate | 1500 | 1.00 | DIN 912; ISO 898-1 | General machinery |