Minimum order : 180 items
Customization as per requiments
| Size | M5 to M64 |
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 10 mm to 1000 mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Delta Fitt Inc is a leading heavy hex bolts manufacturer offering high strength fastening solutions for critical structural and mechanical joints. These bolts have a larger head and a thicker shank, which increases their ability to support loads. They are made from various materials such as carbon steel, alloy steel and stainless steel to suit different needs in applications like bridges, steel structures, heavy equipment and pressure vessels. Our range includes full and partial thread options with coatings like zinc plated, hot dip galvanized or black oxide for improved corrosion resistance.
ASTM A325, A490, DIN 6914, and ISO 7412 are among the industrial grade B2B standards that our heavy hex bolts satisfy. To ensure quality, we test each batch for tensile strength, yield, thread accuracy and head dimensions. Our customization options allow for adjustments in diameter, thread pitch, bolt length and coating to meet specific engineering requirements. Our efficient production lines and reliable logistics support large scale supply demands, ensuring timely delivery to fabrication yards, construction sites and offshore installations.
Made from alloy steel, A490 bolts offer higher tensile strength than A325 bolts. They are ideal for heavy construction, crane structures, and seismic applications where superior clamping force and durability are critical.
Designed for structural steel connections, A325 heavy hex bolts are high strength and commonly used in bridges and buildings. These bolts ensure a secure hold under dynamic loads and are supplied in plain or galvanized finishes.
What is a heavy hex bolt?
The larger and thicker hexagonal head of a heavy hex bolt sets it apart from a typical hex bolt. This design has a bigger bearing surface, is stronger, and can carry more weight. Particularly in heavy construction and structural steel connections, hefty hex bolts are commonly used in high-stress and high-pressure applications.
What is the difference between heavy hex and standard hex?
Heavy hex and standard hex fasteners differ primarily in their dimensions and intended applications. Compared to their normal counterparts heavy hex fasteners such as bolts and nuts are stronger and have a greater load bearing capability because they are thicker and larger. This makes them suitable for high stress and high temperature environments particularly in applications involving large diameter and high strength bolts.
Are heavy hex bolts available in different sizes and finishes?
Yes, heavy hex bolts are available in various sizes and finishes. They are commonly produced in a range of diameters and lengths, and can be found with different finishes to suit specific needs, such as corrosion resistance or aesthetic preferences.
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