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Punit Fasteners is a top manufacturer and supplier of Carbon Steel Bolts in Delhi, India, providing reliable fastening solutions for structural, automotive, and industrial needs. Our carbon steel bolts are designed for strength, cost-effectiveness, and versatility. Available in low, medium, and high carbon grades, these bolts can be plain or surface-treated (e.g., zinc-plated, hot-dip galvanized) to improve durability. Built for non-corrosive and moderately corrosive settings, they offer a strong and economical option for a broad range of mechanical and structural applications. Punit Fasteners ensures precise threading and quality compliance in every bolt made.
Carbon Steel Bolts consist mainly of iron and carbon (0.05% to 0.60%), with manganese and silicon commonly added. They offer tensile strength from 400 to 850 MPa depending on carbon content and heat treatment. Medium to high carbon bolts can be hardened for improved strength and wear resistance. These bolts have good load-bearing capability and are easy to produce and machine. While their corrosion resistance is limited, coatings like galvanizing extend their durability. Their mechanical features make them suitable for structural and general engineering applications.
| Element | Carbon, max | Manganese, max | Phosphorus, max | Sulfur, max |
| Grade A | 0.29 % | 1.20 % | 0.04 % | 0.15 % |
| Grade B | 0.29 % | 1.20 % | 0.04 % | 0.05 % |
| Grade | Tensile, ksi | Yield, min, ksi | Elong %, min |
|---|---|---|---|
| A | 60 min | — | 18 |
| B | 60 – 100 | — | 18 |
| C* | 58 – 80 | 36 | 23 |
| Carbon Steel Threaded Rods Specifications | ASTM A307, ASME SA 307 |
| Standard of Carbon Steel Threaded Rods | DIN, ASTM, BS and all International Standards |
| Carbon Steel Threaded Rods Length | 1000mm to 3000mm & 1feet to 12feet |
| Carbon Steel Threaded Rod Size | M6 to M52 & 1/4″ to 2″ |
| Thread Types | MM UNC UNF BSW |
| Carbon Steel Threaded Rods Type | Threaded rod, Fully Threaded Rod, Partially Threaded Rod, Tap End Threaded Rod, Double End Threaded Rod, Fine Pitch Threaded Rod, Metric Threaded Rod, all-thread Rod, Heavy Threaded Rod, Acme Threaded Rod, Trapezoidal Threaded Rod, Coil Rod, Threaded Bar etc. |
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.
Carbon Steel Bolts are widely used in construction, automotive assembly, general manufacturing, agricultural equipment, and both light and heavy structural applications. They are found in bridges, buildings, machinery, railway systems, and furniture assembly. In automotive settings, they fasten engine parts, chassis components, and brackets. In construction, they secure beams, trusses, and supports. Coated versions are used in outdoor or semi-corrosive environments. Their strength, affordability, and availability in various sizes make them an important fastening solution for both permanent and temporary uses in industries where extreme corrosion resistance is not a key requirement.
We take great care at Punit Fasteners when packing our carbon steel bolts. Each bolt is wrapped in protective materials to prevent damage, corrosion, and contamination during transportation. We use sturdy cartons and provide packaging services based on your specific needs. Proper labelling and packaging make it easy to identify and sort the products, ensuring that our customers receive their orders in excellent condition.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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