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; e.g., 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 standardised 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: Aluminium and brass – Suited for specialised uses

Why Industry Leaders Prefer Bigboltnut Bigboltnut stands out for its commitment to quality, timely delivery, and customised 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.