When farmers fix items such as plows, harvesters and other agricultural equipment, they often use Proven Square Head Bolt. This square-head design makes it very convenient to tighten with a wrench, even in muddy or dirty environments - which is quite common in the fields. These bolts can maintain good condition under harsh conditions such as rain, fertilizer and vibrations from machine operation. Therefore, whether it is repairing tractors or barns, square-headed bolts can firmly fix the objects, allowing your equipment to operate continuously for a whole day.
Proven Square Head Bolts are commonly used in wooden structures, such as barns, sheds or terraces. They are ideal for positioning and fixing large beams and columns. Their flat head design allows for smooth embedment into the wood, reducing the risk of cracking, while the threaded structure provides a secure lock for a secure installation. Many carpenters who work outdoors like to choose this type of bolt. After all, even if the place is crowded and the environment is complicated, an ordinary wrench can easily tighten it. Choose galvanized bolts or other coated bolts to keep them in good condition in rainy and humid environments and not easily rust. Therefore, whether it's a patio in the garden or a barn on the farm, square-head bolts are the ideal choice for building with wood.
Mon | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 |
P | 20|28|32 | 18|24|32 |
16|24|32 |
14|20|28 | 13|20|28 | 11|18|24 | 10|16|20 | 9|14|20 | 8|12|20 | 7|12|18 | 7|12|18 |
ds max | 0.26 | 0.324 | 0.388 | 0.452 | 0.515 | 0.642 | 0.768 | 0.895 | 1.022 | 1.149 | 1.277 |
ds min | 0.237 | 0.298 | 0.36 | 0.421 | 0.482 | 0.605 | 0.729 | 0.852 | 0.976 | 1.098 | 1.223 |
s max | 0.375 | 0.5 | 0.562 | 0.625 | 0.75 | 0.938 | 1.125 | 1.312 | 1.5 | 1.688 | 1.875 |
s min | 0.362 | 0.484 | 0.544 | 0.603 | 0.725 | 0.906 | 1.088 | 1.269 | 1.45 | 1.631 | 1.812 |
e max | 0.53 | 0.707 | 0.795 | 0.884 | 1.061 | 1.326 | 1.591 | 1.856 | 2.121 | 2.386 | 2.652 |
e min | 0.498 | 0.665 | 0.747 | 0.828 | 0.995 | 1.244 | 1.494 | 1.742 | 1.991 | 2.239 | 2.489 |
k max | 0.188 | 0.22 | 0.268 | 0.316 | 0.348 | 0.444 | 0.524 | 0.62 | 0.684 | 0.78 | 0.876 |
k min | 0.156 | 0.186 | 0.232 | 0.278 | 0.308 | 0.4 | 0.476 | 0.568 | 0.628 | 0.72 | 0.812 |
r max | 0.03 | 0.03 |
0.03 |
0.03 |
0.03 |
0.06 |
0.06 |
0.06 |
0.09 |
0.09 |
0.09 |
r min | 0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.02 |
0.02 |
0.02 |
0.03 |
0.03 |
0.03 |
For orders for a large quantity of standard Proven Square Head Bolt, the delivery period usually ranges from 20 to 25 days, starting from the confirmation of the order and receipt of the deposit. This stage is primarily dedicated to manufacturing, quality inspection, and shipment preparation. The specific delivery time for square head bolt orders will be further confirmed based on the actual order quantity, product grade, and specified processing technology. We prioritize ensuring timely delivery.