Bigboltnut is a trusted name in the manufacturing and export of ISO 4014 hex bolts , engineered for high-performance industrial applications. Designed with precision and durability in mind, our bolts conform to international quality benchmarks, ensuring long-lasting and secure fastening solutions.

ISO 4014 Bolt Specifications and Dimensions

ISO 4014 hex bolts are designed with a hexagonal head and a partially threaded shank. They follow strict dimensional standards for uniformity and reliable performance:

·         Thread Diameter (d): Ranges from M1.6 to M64

·         Thread Pitch (P): Varies by diameter; eg, M20 has a 2.5 mm pitch

·         Head Height (k): For M20, approx. 12.5 mm

·         Width Across Flats (s): For M20, typically 30 mm

These standardized specifications ensure accurate fitment and structural integrity in assemblies.

Material Options and Grades

Bigboltnut offers ISO 4014 bolts in a wide range of material grades to suit diverse industrial needs:

Carbon Steel Grades : 5.6, 8.8, 10.9, and 12.9 – Ideal for high-strength applications

Stainless Steel Grades : A2-70 and A4-70 – Provide excellent corrosion resistance

Non-Ferrous Options : Aluminum and brass – Suited for specialized uses

Industrial Applications

ISO 4014 bolts are versatile fasteners widely used in multiple sectors due to their strength and adaptability:

Construction: For joining structural steel in bridges and buildings

Automotive: Applied in engine assembly and frame structures

Heavy Machinery : Essential for equipment and mechanical system assembly

Energy Sector : Used in wind turbines, solar projects, and more

Why Industry Leaders Prefer Bigboltnut

Bigboltnut stands out for its commitment to quality, timely delivery, and customized bolt solutions . Our ISO 4014 bolts are manufactured to meet global standards, making them suitable for both standard and high-demand environments. With a vast inventory, precision engineering, and customer-first service, we are a preferred partner for fastener needs across the globe.