Hex socket flat countersunk head bolts are engineered for applications where a flush, smooth surface finish, high tensile strength, and secure fastening are essential. These flat head hex socket screws combine a countersunk head design with a hex socket drive to provide precise torque application while maintaining a streamlined, snag-free assembly surface.
๐ฉ What are Hex Socket Flat Countersunk Head Bolts?
These countersunk hex socket bolts feature:
- Head Type: Flat countersunk head for flush mounting
- Drive Type: Hex socket (Allen) for strong torque application
- Material Options: Stainless steel (304, 316), alloy steel (grade 10.9, 12.9), titanium, brass, carbon steel
- Thread Sizes: M3, M4, M5, M6, M8, M10, M12, M16, M20, custom sizes
- Lengths: From 6mm up to 100mm or custom per project requirements
- Standards: DIN 7991, ISO 10642, ANSI, JIS
The hex socket drive provides ease of installation in tight or recessed spaces, making these bolts suitable for precision engineering, machinery, and structural assemblies.
โ Key Specifications
- Sizes Available: M3โM20
- Material Options:
- Stainless Steel 304 / 316 โ corrosion resistance for marine, outdoor, and industrial use
- Alloy Steel 10.9 / 12.9 โ high tensile strength for structural applications
- Titanium (Grade 2 / Grade 5) โ lightweight with superior corrosion resistance
- Brass โ decorative and electrical conductivity applications
- Surface Finishes: Plain, zinc plated, black oxide, anodized titanium, nickel-plated brass
- Thread Types: Metric coarse (standard), metric fine, UNC, UNF
โ๏ธ Applications of Flat Head Hex Socket Screws
โ Machine assembly and equipment manufacturing โ flush surfaces for safety and appearance
โ Automotive and aerospace industries โ weight reduction and structural strength
โ Bicycle and motorsport parts โ secure fastening with minimal aerodynamic drag
โ Electronics and robotics โ precision mounting with countersunk finish
โ Furniture and architectural fittings โ aesthetic flush installation
โ Marine and offshore structures โ corrosion resistance with flush mounting
๐ง Advantages of Choosing Our Hex Socket Flat Countersunk Head Bolts
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Flush head design ensures a smooth and snag-free finish
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Hex socket drive enables secure and precise torque application
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Wide material options to suit different mechanical and environmental needs
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High tensile strength for structural reliability
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OEM & ODM customization for sizes, finishes, packaging, and branding
๐ฆ Packaging & Supply Details
- MOQ: 500 pcs per size
- Packaging: Bulk cartons with pallets / small boxes with labels / OEM customized packaging
- Lead Time: 5โ15 working days depending on material and order quantity
- Customization: Lengths, thread standards, head styles, surface treatments, logo engraving
๐ก Why Choose Our Flat Head Hex Socket Screws?
As a professional hex socket flat countersunk head bolts manufacturer and supplier, we provide:
โ Strict quality control from raw material to final inspection
โ Competitive factory prices with stable global supply
โ OEM & ODM services for fastener distributors, construction contractors, and machinery manufacturers
โ Export experience to Europe, North America, Southeast Asia, and the Middle East
๐ Learn More
Looking for durable countersunk hex socket bolts that combine flush aesthetics with strong fastening?
๐ Visit our product page here to view detailed specifications and place your order directly with our factory.
๐ฉ Contact Us Today
Get in touch for technical drawings, CAD support, free consultation, and factory-direct quotations to support your engineering, structural, and high-precision assembly needs.