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The Fasteners Mart is a renowned Mumbai-based Indian manufacturer and supplier of high-quality heavy hex nuts for various industrial applications. Being suitable for use in high-stress environments, our heavy hex nuts are highly strong, durable, and reliable and thus are perfect for use in construction, machinery, automotive, and infrastructure works. Since the fasteners are developed as per international standards, they create strong and long-lasting connections. With a customer-centric approach and flair for excellence, The Fasteners Mart is your single window provider of heavy hex nuts in India and beyond.
Heavy hex nuts are usually manufactured with carbon steel, alloy steel, or stainless steel depending on the required strength and application. They could undergo heat treatment processes for enhanced mechanical properties. The usual tensile strength is 500 MPa to 1000 MPa for very good load-bearing capability. Heavy hex nuts are well hardened as well as corrosion resistant (especially for stainless steel variants) and possess high resistance to wear and deformation. These nuts are designed for heavy-duty applications and provide firm and secure holding strength under high-stress applications such as construction, machinery, and automotive industries.
| Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
| Width Across Flats | Width Across Corners | Thickness | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | .250 | .218 |
| 5/16 | .3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | .314 | .280 |
| 3/8 | .3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | .377 | .341 |
| 7/16 | .4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | .441 | .403 |
| 1/2 | .5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | .504 | .464 |
| 9/16 | .5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | .568 | .526 |
| 5/8 | .6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | .631 | .587 |
| 3/4 | .7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | .758 | .710 |
| 7/8 | .8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | .885 | .833 |
| 1 | 1.0000 | 1-5/8 | 1.325 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | .956 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.310 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
| 2 | 2.0000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Heavy hex nuts are widely used in heavy-duty applications where there is a high need for strength and durability. In construction, they are widely used and take a major part in keeping bolts together in the field, e.g., large bridges, buildings, and highways. These nuts are used extensively in the automotive, machinery, and infrastructure industries, providing them with secure fastening in engines, mechanical assemblies, and industrial equipment. Heavy hex nuts are most ideal for use in oil rigs, mining, and heavy trucks with their higher load-carrying capacity. Their heavy-duty design ensures secure connections in high-stress applications with stability and durability in a variety of demanding industries.
Heavy hex nuts at The Fasteners Mart are rigorously tested for quality to ensure that they are up to industry standards for durability, corrosion resistance, and strength. Every batch is checked for size accuracy, tensile strength, and surface finish. The nuts are packaged in a way that safeguards against damage during transport, using robust, water-resistant packaging materials and secure packing containers. Regardless of whether in bulk or individually packaged, we ensure that the heavy hex nuts are shipped to our clients in good condition, ready to be utilized in demanding industrial applications.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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