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BS 7419 Holding Down Bolt
Equivalent Standard: UNI 6104
BRK BS 7419 Square Square Holding Down Bolt are designed to be used with washer plates for holding down Steel frames to concrete Bases. when located in position Square Head positioned into Hole, prevents Rotation While tightening. Square Square Holding down bolt is also known as also Known as Foundation Bolt. BRK Nuts & bolts one of the leading manufacturers, Exporters and suppliers of a high-quality BS 7419 Holding Down Bolt that are widely used in various areas like Cement, steel plant, railways, construction and many others for fitting and assembling purposes. These holding down bolts are manufactured from high tensile steel like SS-304, SS-316, En -24, En-19, En-8 with proper heat treatment at our manufacturing unit under the supervision of our qualified Engineers.
- BS 7419
- Material Grade: 4.8, 8.8, 10.9
- Finish: Self, Black Annealing, Bright Zinc, Hot Dip Galvanized
- Thread: METRIC
BS 7419
BS 7419 is a British Standard for Square Square Holding Down Bolt also known as Foundation Bolt plays a crucial role in the Construction Industry. It provides guidelines and specifications for the design, materials, and performance of fasteners, ensuring their reliability and safety. With the ever-increasing demand for high-quality fasteners for various applications, understanding and complying with BS 7419 is essential for manufacturers, suppliers, and consumers alike. These Holding down Bolt are manufactured using High Grades steel of 4.6 8.8 & 10.9. BRK Holding Down Bolt is available in Hot dip galvanization, Zink Plating, Black Annealing, Zinc Plating Etc. Beside BS 7419, BRK also Manufactures Other Hot Dip galvanized fasteners like BS EN 15048, EN 14399-1 Etc.
Technical Specification for Foundation Bolts (BS 7419)
| Nom. Dia. (d) | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 | ||
| Thread Pitch | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | ||
| t | a | Max. | 122.0 | 127.5 | 133.0 | 140.5 | 148.0 | 155.5 | 163.0 | 172.5 | 182.0 |
| Min. | 116 | 120 | 124 | 130 | 136 | 142 | 148 | 156 | 164 | ||
| b | Max. | 225 | 225 | 225 | 225 | 225 | 225 | 225 | 225 | 225 | |
| Min. | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | ||
| ds | Max. | 16.70 | 20.84 | 24.84 | 30.84 | 37.00 | 43.00 | 49.00 | 57.20 | 65.20 | |
| Min. | 15.30 | 19.16 | 23.16 | 29.16 | 35.00 | 41.00 | 47.00 | 54.80 | 62.80 | ||
| h | Max. | 10.75 | 13.40 | 15.90 | 19.75 | 23.55 | 27.05 | 31.05 | 36.25 | 41.25 | |
| Min. | 9.25 | 11.60 | 14.10 | 17.65 | 21.45 | 24.95 | 28.95 | 33.75 | 38.75 | ||
| r | Min. | 0.6 | 0.8 | 0.8 | 1.0 | 1.0 | 1.2 | 1.6 | 2.0 | 2.0 | |
| af | Max. | 24.00 | 30.00 | 36.00 | 46.00 | 55.00 | 65.00 | 75.00 | 85.00 | 95.00 | |
| Min. | 23.16 | 29.16 | 35.00 | 45.00 | 53.80 | 63.10 | 73.10 | 82.80 | 92.80 | ||
| s | Max. | 8.75 | 10.75 | 12.90 | 15.90 | 18.90 | 22.05 | 25.05 | 29.05 | 33.25 | |
| Min. | 7.25 | 9.25 | 11.10 | 14.10 | 17.10 | 19.95 | 22.95 | 26.95 | 30.75 | ||
| sq | Max. | 16.70 | 20.84 | 24.84 | 30.84 | 37.00 | 43.00 | 49.00 | 57.20 | 65.20 | |
| Min. | 15.30 | 19.16 | 23.16 | 29.16 | 35.00 | 41.00 | 47.00 | 54.80 | 62.80 | ||
| Length | WEIGHT IN KG PER PC | ||||||||||
| 300 | 0.53 | 0.85 | |||||||||
| 375 | 0.64 | 1.03 | 1.51 | ||||||||
| 450 | 0.76 | 1.22 | 1.78 | 2.90 | 4.22 | * | * | * | * | ||
| 525 | 0.88 | 1.43 | 2.04 | 3.35 | 4.82 | * | * | * | * | ||
| 600 | 1.00 | 1.58 | 2.31 | 3.77 | 5.42 | * | * | * | * | ||
| 750 | 1.95 | 2.84 | 4.60 | 6.62 | * | * | * | * | |||
| 1000 | 2.00 | 3.72 | 5.95 | 8.62 | * | * | * | * | |||
| 1250 | 4.61 | 7.34 | 10.62 | * | * | * | * | ||||