In flange bolts manufacturing, exporting and supplying Rajgranth Fasteners is a well-known brand that provides quality-engineered fastening solutions to its clients on a global level. The quality flange bolts we manufacture are made out of superior quality material and conceptualized in an excellent way to provide superior holding and clamping pressure and concentration, this is why they are used in high intensity industrial work. These bolts are precision-forged and tested to meet reliability standards, and they are manufactured to meet the global standards (ASTM, DIN and ISO 9001) to withstand the highest possible stressful condition.
The featured bolts have an inbuilt washer like flange, which offers more bearing surface and eliminates the necessity of other hardware material and offers more stability when mounting. The Rajgranth Fasteners offers all kinds of flange bolts, whether you need hex flange bolts, serrated flange bolts, and full/partial threaded ones, we can offer you a complete assortment based on your engineering requirement. We have different coating options in our inventory and these options include zinc plating, hot-dip galvanizing and black-oxide coating due to corrosion demands.
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We cater to a wide variety of industries such as automotive, construction, oil and gas, heavy machinery and energy domains. Rajgranth Flange bolts are particularly useful in those applications where vibration resistance and high torque tolerance are required. They also have improved mechanical operation which makes them a favorite among the OEMs and maintenance teams all over the world.
We are also experienced exporters and stockists so we carry a large inventory that is dispatched immediately with guaranteed quick turnaround and delivery anywhere in the world. Since we have a global logistics network, we are able to fulfill bulk and custom orders with the same level of efficiency. RAJGRANTH Fasteners is determined to precision manufacturing, strict quality control and reliable chain supply provision.
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Our state-of-the-art manufacturing centre and ISO sensitive testing laboratories help deliver every flange bolt through going optimal international standards. We have both metric and imperial sizes, thread pitches and tensile strengths fully documented to provide technical teams. The customers whose dimensions and coatings requirements may be non-standard may opt for customization services.
Rajgranth Fasteners is a company you want to stay with when it comes to finding industrial-grade flange bolts. We are a company whose dedication to innovation, service to customers and technological competence has made us the preferred manufacturer and supplier in more than 20 countries. To find out more about our services and capabilities, don't hesitate to get in touch with our team today by phone or email.
Specifications
| Thread Type | Description | Application |
|---|---|---|
| Coarse Thread (UNC/ISO Metric) | General-purpose, high durability | Heavy machinery, automotive, construction |
| Fine Thread (UNF/Metric Fine) | Increased tensile strength, more thread engagement | Aerospace, high-precision assembly |
| Partially Threaded Bolts | Higher shear strength, better clamping | Structural fastening, automotive |
| Fully Threaded Bolts | Allows maximum adjustability and load distribution | General fastening, repairs, and assemblies |
Flange Bolt Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Mild Steel & Carbon Steel | 4.6, 5.6, 8.8 | ISO 898-1, DIN 603, ASME B18.5 |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506, DIN 603, ISO 8677 |
| High-Tensile Steel | Class 8.8, 10.9 | ISO 898-1, ASME B18.5, DIN 603 |
| Alloy Steel (Heat Treated) | Class 10.9 | ISO 898-1, ASTM A325 |
Flange Bolt Standards & Size Range
| Size Range | Standards |
|---|---|
| Diameters: M6 to M36 (Metric) | ISO 7091 – International standard for flange bolts |
| Diameters: 1/4" to 1-1/2" (Imperial) | ASME B18.2.2 – American standard for hex flange bolts |
| Lengths: Variable | ISO 4162 – Metric flange bolts for high-strength applications |
| DIN 6921 – German standard for hex flange bolts |
Applications and Uses of Flange Bolt
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
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