| Nominal Size (D) |
Body Diameter |
Head Thickness
|
Across the Flats
|
Across Corners
|
| d |
k
|
s
|
e
|
| Max. |
Min. |
Max.
|
Min.
|
Max.
|
Min.
|
Max.
|
Min.
|
| M10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
| M12 |
12.00 |
11.73 |
7.76 |
7.24 |
19.00 |
17.73 |
20.78 |
20.03 |
| M14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
| M16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
| M20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
| M24 |
24.00 |
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
| M30 |
30.00 |
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
| M36 |
36.00 |
35.61 |
23.38 |
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
| M42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71
|
| M48 | 48.00 | 47.38 | 31.07 | 28.93 | 75.00 | 72.60 | 86.60 | 82.76 |
| M56 | 56.00 | 55.26 | 36.2 | 33.80 | 85.00 | 82.20 | 98.15 | 93.71 |
| Tensile Strength |
Size Range |
Equivalent Standards |
| Property Class |
Diameter |
Length |
| PSI |
N/2 |
Grade |
Metric |
Inch |
Metric |
Inch |
IS |
ISO |
DIN |
BS |
ANSI |
JIS |
| 60000 to 174000 |
400 to 1200 |
4.6 to 12.9 |
M10 to M56 |
0.4 “ to 2.2 " |
20 to 300 |
0.8 " to 12" |
1364-1 1363-1 |
4014 4016 |
931 |
1083 |
B18.2.1 |
B1186 |
1. Versatile Application for Industrial Excellence
Hex Head Bolts are a staple in fastening solutions, valued for their high-tensile strength and ease of use. From assembling steel structures to securing heavy machinery, these bolts are engineered to handle extreme loads. Their design ensures a firm grip, making them ideal for industries like construction, automotive, and railway infrastructure. With a wide range of sizes and finishes, these bolts are perfect for everything from wind turbines to marine applications.
2. Built to Endure with Global Standards
At Pankaj International, our Hex Head Bolts are crafted to meet or exceed international standards like DIN 933, DIN 931, ISO 4017, and BS 4190. This ensures they can integrate seamlessly into projects across the globe. Whether you’re working on a bridge, a powerplant, or aerospace applications, these bolts deliver unmatched performance. We also specialize in custom fastener manufacturing, ensuring every project’s unique requirements are met.
3. Advanced Materials and Finishes
Engineered from stainless steel, carbon steel, or alloy steel, our Hex Head Bolts are designed to withstand wear, tear, and extreme conditions. Options for zinc coatings, hot-dip galvanization, and electroplating ensure long-lasting resistance to corrosion, making them suitable for marine-grade projects and outdoor structures. These bolts also feature high tolerance for vibration resistance, ensuring durability in applications like heavy machinery and transportation equipment.
4. Ideal for High-Tensile Applications
With their ability to withstand high levels of stress, Hex Head Bolts are the go-to choice for vibration-resistant fastening and seismic-grade construction. Their shear strength and ability to maintain tightness even under intense pressure make them indispensable in aerospace, mining, and renewable energy projects. Combined with their ease of installation, these bolts significantly reduce downtime, enhancing overall productivity.
5. Why Choose Pankaj International?
As the best fastener manufacturer in India, Pankaj International provides precision-engineered Hex Head Bolts tailored to your needs. Our bolts offer consistent quality and come with the assurance of ISO certification, ensuring reliability and safety. We deliver eco-friendly fasteners, customized solutions, and affordable pricing, making us the trusted partner for industries worldwide. Choose us for fasteners that exceed expectations in strength, performance, and durability.
6. Targeted Industries and Applications
Hex Head Bolts find extensive use across industries, including railway construction, automotive manufacturing, electrical equipment assembly, and structural engineering. These bolts are also popular in heavy machinery installations, marine-grade infrastructure, and clean energy projects. The ability to handle demanding environments makes them a versatile and cost-effective solution for all your fastening needs.