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With its headquarters located in Delhi, India, Punit Fasteners is a reputable manufacturer and supplier of High Tensile Grade 12.9 Bolts. We offer premium bolts made for high-stress industrial applications and are renowned for our precision engineering and dedication to strict quality standards. Alloy steel is used in the production of our Grade 12.9 Bolts, which are then heat-treated for optimal strength and tested for longevity under heavy loads. These bolts are perfect for demanding mechanical, automotive, and structural applications because of their remarkable tensile and yield strength. Punit Fasteners is dedicated to providing dependable fastening solutions in India and abroad that are supported by technical know-how, affordable prices, and prompt delivery.
Medium carbon alloy steel, which normally contains elements like carbon (0.30 to 0.50%), manganese, chromium, and molybdenum, is used to make High Tensile Grade 12.9 Bolts. To attain high strength, they go through quenching and tempering procedures. These bolts have outstanding fatigue resistance, surface hardness, and a minimum tensile strength of 1220 MPa and a yield strength of 1100 MPa. They are perfect for use in high-vibration and load-intensive environments because of their improved mechanical qualities. For corrosion resistance, they need surface protection, such as zinc coating or black oxide.
| Grade 12.9 | C | P | S | B |
|---|---|---|---|---|
| 0.28-0.5 | 0.025 | 0.025 | 0.003 |
| Nominal thread diameter | Proof strength | Yield strength | Tensile strength | Hardness |
|---|---|---|---|---|
| 1.6 To 100 | 970 | 1100 | 1220 | C39 To 44 |
| Grade 12.9 Bolts Grades | DIN 933 Grade 12.9 |
| Grade 12.9 Studs Standard | ASTM F568, ASME SF568 |
| Grade 12.9 Threaded Rod Size | Dia 1.6mm to 100 mm Inch 3/4“ to 3.1/2“ |
| Grade 12.9 Set Screws finish | Zinc plated / Plain / Hot dip galvanised |
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.
Grade 12.9 bolts are essential in applications requiring high strength and reliability. They are widely used in architectural steelwork, such as bridges and high-rise buildings, where their high tensile strength and durability ensure safe and prolonged connection. In the automotive industry, these bolts are essential for securing critical parts on chassis and engine assemblies for vehicle safety, performance, and growth. Furthermore, Grade 12.9 bolts play an important role in heavy machinery and equipment in industries such as mining and infrastructure, whereas flexibility in extreme conditions inside and their ability to withstand heavy loads contribute to continuous operation and safety
In high-stress mechanical and structural applications where exceptional strength and performance are essential, High Tensile Grade 12.9 Bolts are widely utilised. These bolts, which are frequently used in power transmission systems, heavy machinery, engine parts and automotive assemblies, guarantee safe fastening even under changing loads. They are utilised in steel frameworks, bridges, and structural joints that need a lot of clamping force in building and infrastructure projects. These bolts are also perfect for machinery that is constantly vibrating, like rail systems, gearboxes, and mining equipment. In engineering applications that require maximum tensile load capacity, Grade 12.9 bolts are recommended because of their strength and hardness.
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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