Hexagon Head Bolts (DIN 7990)
Equivalent Standard: ISO 4032
Structural hex bolts, also known as DIN 7990/ISO 4032 bolts, play a crucial role in providing stability and strength to various structures. These bolts are specifically designed for heavy-duty applications, where high tensile strength and durability are paramount. Made from high-quality steel, they are capable of withstanding immense pressure and loads. One of the key features of these bolts is their hexagonal head, which allows for easy installation using a wrench or socket. The precise threading ensures a secure and tight fit, preventing any loosening or slipping over time. Whether used in construction, manufacturing, or engineering projects, structural hex bolts provide a dependable solution for fastening and holding together critical components. Their reliability and resistance to corrosion make them suitable for both indoor and outdoor applications, even in harsh environments. From large-scale infrastructure projects to smaller DIY endeavors, the use of DIN 7990/ISO 4032 bolts ensures the structural integrity and longevity of various structures, giving peace of mind to engineers, builders, and individuals alike.
- DIN 7990
- Material Grade: 4.6, 5.6, 8.8
- Finish: Self, Black, Bright Zinc, Hot Dip Galvanized
- Thread: METRIC
DIN 7990
DIN 7990 hexagon fit bolts are characterized by their large width across flats, which provides ample surface area for distributing the applied load and helps prevent bolt loosening under dynamic or vibrational stress. The small head height of these bolts allows for a flush fit when installed, contributing to the overall aesthetic and functional requirements of the assembled components. The standard covers a range of sizes and dimensions for hexagon fit bolts, encompassing diameters ranging from M16 to M36, with lengths varying to accommodate specific structural requirements. These dimensions are carefully stipulated to ensure that the fit bolts can effectively withstand the loads and forces they are subjected to, providing stability and reliability in various structural steelwork applications. In addition to outlining dimensional requirements, Hexagon Head Bolts With Hexagon Nut DIN 7990.
Technical Specification for Hexagon Head Bolts (DIN 7990)
| d | M12 | M16 | M20 | M22 | M24 | M27 | M30 |
| P | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 |
| b | 19.5 | 23 | 26 | 58 | 29.5 | 32.5 | 35 |
| k | 8 | 10 | 13 | 14 | 15 | 17 | 19 |
| m | 10 | 13 | 16 | 18 | 19 | 22 | 24 |
| s | 19 | 24 | 30 | 32 | 36 | 41 | 46 |
| L | WEIGHT IN KG/1000 PCS | ||||||
| 30 | 58.80 | ||||||
| 35 | 63.20 | 119.00 | |||||
| 40 | 67.60 | 127.00 | 240.00 | 284.00 | |||
| 45 | 72.00 | 135.00 | 252.00 | 299.00 | 377.00 | ||
| 50 | 76.40 | 143.00 | 264.00 | 314.00 | 395.00 | ||
| 55 | 80.80 | 151.00 | 276.00 | 329.00 | 413.00 | ||
| 60 | 85.20 | 159.00 | 288.00 | 344.00 | 431.00 | 595.00 | |
| 65 | 89.60 | 167.00 | 300.00 | 359.00 | 449.00 | 617.00 | |
| 70 | 94.00 | 175.00 | 312.00 | 374.00 | 467.00 | 639.00 | |
| 75 | 98.40 | 183.00 | 324.00 | 389.00 | 485.00 | 661.00 | |
| 80 | 102.00 | 191.00 | 336.00 | 404.00 | 503.00 | 683.00 | 902.00 |
| 85 | 106.00 | 199.00 | 348.00 | 419.00 | 521.00 | 705.00 | 930.00 |
| 90 | 110.00 | 207.00 | 360.00 | 434.00 | 539.00 | 727.00 | 958.00 |
| 95 | 114.00 | 215.00 | 372.00 | 449.00 | 557.00 | 749.00 | 986.00 |
| 100 | 118.00 | 223.00 | 384.00 | 464.00 | 575.00 | 771.00 | 1014.0 |
| 105 | 122.00 | 231.00 | 396.00 | 479.00 | 593.00 | 793.00 | 1042.0 |
| 110 | 126.00 | 239.00 | 408.00 | 494.00 | 611.00 | 815.00 | 1070.0 |
| 115 | 130.00 | 247.00 | 420.00 | 509.00 | 629.00 | 837.00 | 1098.0 |
| 120 | 134.00 | 255.00 | 432.00 | 524.00 | 647.00 | 859.00 | 1126.0 |
| 125 | 263.00 | 444.00 | 539.00 | 665.00 | 881.00 | 1154.0 | |
| 130 | 271.00 | 456.00 | 554.00 | 683.00 | 903.00 | 1182.0 | |
| 135 | 279.00 | 468.00 | 569.00 | 701.00 | 925.00 | 1210.0 | |
| 140 | 287.00 | 480.00 | 584.00 | 719.00 | 947.00 | 1238.0 | |
| 145 | 295.00 | 492.00 | 599.00 | 737.00 | 969.00 | 1266.0 | |
| 150 | 303.00 | 504.00 | 614.00 | 755.00 | 991.00 | 1294.0 | |
| 155 | 516.00 | 629.00 | 773.00 | 1013.0 | 1322.0 | ||
| 160 | 528.00 | 644.00 | 791.00 | 1035.0 | 1350.0 | ||
| 165 | 540.00 | 659.00 | 809.00 | 1057.0 | 1378.0 | ||
| 170 | 552.00 | 674.00 | 827.00 | 1079.0 | 1406.0 | ||
| 175 | 564.00 | 689.00 | 845.00 | 1101.0 | 1434.0 | ||
| 180 | 704.00 | 863.00 | 1123.0 | 1462.0 | |||
| 185 | 719.00 | 881.00 | 1145.0 | 1490.0 | |||
| 190 | 734.00 | 899.00 | 1167.0 | 1518.0 | |||
| 195 | 749.00 | 917.00 | 1189.0 | 1546.0 | |||
| 200 | 764.00 | 935.00 | 1211.0 | 1574.0 | |||