Home > High Tensile Steel Fasteners
Discover our High Tensile Steel Fasteners range, built to meet varied industry needs with durability and adaptability. Our fasteners comply with strict standards, ensuring outstanding performance even in tough conditions. We prioritize tailored solutions, competitive rates, and on-time delivery to secure customer satisfaction. Depend on our dependable products to streamline your business operations, which are supported by our steadfast commitment to quality.
| High Tensile Fasteners Grades | DIN 933 Grade 8.8, 12.9 and 10.9, |
| Size | Dia: M 20 – 100 mm 3/4“– 3.1/2” Inch |
| Standard | DIN EN ISO 4014, IS 1363/ IS 1364 & 4017 DIN 933/931 |
| finish | Plain / Hot dip galvanised/ Zinc plated |
| High Tensile Heavy Hex Bolt Diameter | F | H | D | C | |||||
| Width Across Flats | Height | Body Diameter | Width Across Corners | ||||||
| Max | Basic | Min | Max | Basic | Min | Max | Min | Max | |
| 5/8 | 1.062 | 1-1/16 | 1.031 | 0.444 | 27/64 | 0.378 | 0.642 | 1.175 | 1.227 |
| 3/4 | 1.250 | 1-1/4 | 1.212 | 0.524 | 1/2 | 0.455 | 0.768 | 1.383 | 1.443 |
| 1/2 | 0.875 | 7/8 | 0.850 | 0.364 | 11/32 | 0.302 | 0.515 | 0.969 | 1.010 |
| 7/8 | 1.438 | 1-7/16 | 1.394 | 0.604 | 37/64 | 0.531 | 0.895 | 1.589 | 1.660 |
| 1-1/8 | 1.812 | 1-13/16 | 1.756 | 0.780 | 3/4 | 0.658 | 1.149 | 2.002 | 2.093 |
| 1 | 1.625 | 1-5/8 | 1.575 | 0.700 | 43/64 | 0.591 | 1.022 | 1.796 | 1.876 |
| 1-1/4 | 2.00 | 2 | 1.938 | 0.876 | 27/32 | 0.749 | 1.277 | 2.209 | 2.309 |
| 1-1/2 | 2.375 | 2-3/8 | 2.300 | 1.036 | 1 | 0.902 | 1.531 | 2.622 | 2.742 |
| 1-3/8 | 2.188 | 2-3/16 | 2.119 | 0.940 | 29/32 | 0.810 | 1.404 | 2.416 | 2.526 |
| 1-3/4 | 2.750 | 2-3/4 | 2.662 | 1.196 | 1-5/32 | 1.054 | 1.785 | 3.035 | 3.175 |
| 2-1/4 | 3.500 | 3-1/2 | 3.388 | 1.548 | 1-1/2 | 1.327 | 2.305 | 3.862 | 4.041 |
| 2 | 3.125 | 3-1/8 | 3.025 | 1.388 | 1-11/32 | 1.175 | 2.039 | 3.449 | 3.608 |
| 2-1/2 | 3.875 | 3-7/8 | 3.750 | 1.708 | 1-21/32 | 1.479 | 2.559 | 4.275 | 4.474 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production plants strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote on your requirement.
We provide These High Tensile Steel Fasteners in accordance with DIN, ISO, JIS or ANSI Standard.
High Tensile Steel Fasteners have applications as varied as the industries they cater to, led mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
When choosing high-tensile steel fasteners, weigh the application’s requirements for strength and durability. Seek fasteners rated with suitable tensile strength to handle the anticipated load and environmental conditions. Also account for corrosion resistance, thread type, and compatibility with other materials to achieve the best performance and longevity.
Email: sales@koasteel.nz
