Countersunk head bolt m16x70 is designed for applications requiring high tensile strength, flush surface mounting, and reliable fastening in structural and heavy machinery assembly. These m16x70 countersunk bolts ensure a neat, hazard-free finish while providing exceptional load-bearing capacity.
๐ฉ What is a Countersunk Head Bolt M16x70?
An m16x70 countersunk head bolt features:
- Head Type: Flat countersunk head for flush surface installation
- Drive Type: Hex socket (Allen drive) for secure tightening with high torque
- Thread Size: M16 x 70mm metric standard
- Material Options: Carbon steel (Grade 8.8 / 10.9 / 12.9), stainless steel 304 / 316, alloy steel
- Standards: DIN 7991 / ISO 10642 for metric countersunk bolts
These m16x70mm countersunk head screws provide durable fastening while maintaining structural safety and aesthetics.

โ Key Specifications
- Diameter: M16 metric thread
- Length: 70mm standard, custom lengths available upon request
- Material:
- Carbon Steel (8.8 / 10.9 / 12.9): high tensile strength
- Stainless Steel 304 / 316: corrosion resistance for outdoor and marine use
- Alloy Steel: superior mechanical performance
- Surface Finish: Plain, black oxide, zinc plated, hot-dip galvanized
โ๏ธ Applications of M16x70 Countersunk Bolts
โ Steel structure assembly โ beams, columns, and joint connections requiring flush finishes
โ Heavy machinery and equipment installation โ secure high-load mounting
โ Construction projects โ bridges, buildings, and infrastructure assemblies
โ Marine and offshore installations โ stainless steel options for corrosion resistance
โ Industrial equipment assembly โ safety barriers, machine frames, heavy platforms
๐ง Advantages of Choosing Our M16x70mm Countersunk Head Screws
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High tensile strength for demanding structural applications
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Flush head design ensures safety and aesthetic integration
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Hex socket drive allows efficient torque application without stripping
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Multiple material grades to suit diverse environmental conditions
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OEM & ODM customization for dimensions, coating, and branding
๐ฆ Packaging & Supply Details
- MOQ: 500 pcs per size
- Packaging: Bulk cartons with pallets / small boxes with labels / OEM branded packaging
- Lead Time: 7โ20 working days depending on order volume and customization
- Customization: Diameter, length, material grade, surface treatment, branding
๐ก Why Choose Our Countersunk Head Bolt M16x70?
As a professional countersunk bolt manufacturer and supplier, we provide:
โ Strict quality control from raw material sourcing to precision machining and inspection
โ Competitive factory pricing with stable supply
โ OEM & ODM services for construction contractors, machinery manufacturers, and fastener distributors
โ Export experience to Europe, North America, Middle East, Southeast Asia, and Australia
๐ Learn More
Looking for countersunk head bolt m16x70 for your structural, construction, or heavy machinery projects?
๐ Visit our product page here to view detailed specifications and place your order directly with the factory.
๐ฉ Contact Us Today
Get in touch for technical drawings, CAD support, free consultation, and factory-direct quotations to support your industrial and construction projects.