Stainless Steel Square Head Bolts
1.ASME B18.2.1-1 Square Head Bolts
2.Source bolt manufacturer, own factory: with price advantage, eliminating the price difference of middlemen.
3.Adopt the industry's top high-quality thickened steel, high stability and long-lasting durability.
4.Support customer customization.
5.Professional sales and after-sales service, welcome to inquire at any time.
6.Delivery on time.
We specialize in fastener production, have exquisite craftsmanship and strict quality control system, and can produce high-quality Stainless Steel Square Head Bolts that fully comply with the ASME B18.2.1-1 standard.
Our Stainless Steel Square Head Bolts are strictly controlled from the selection of raw materials, and only high-quality materials are selected to ensure that the products have excellent strength and durability. In the production process, advanced manufacturing technology and precision processing equipment are used, and every link is refined to ensure the precise size and beautiful appearance of the square bolts. The square bolts of Jinan Shida Fasteners not only have reliable performance, but also can stably play the role of connection and fastening in various complex environments, and we also provide professional after-sales service, so that you have no worries. Whether you are a leading enterprise in the machinery manufacturing industry, or a professional in the fields of construction, bridges, ships, etc., choosing our ASME B18.2.1-1 square bolts is to choose quality and peace of mind. Let us work together to contribute to the success of your project.
Pictures
Product drawing
Product Specification
Size | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | |
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 | 6|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 | 1.404 | 1.531 |
min | 0.237 | 0.298 | 0.36 | 0.421 | 0.482 | 0.605 | 0.729 | 0.852 | 0.976 | 1.098 | 1.223 | 1.345 | 1.47 | |
s | min | 0.375 | 0.50 | 0.562 | 0.625 | 0.75 | 0.938 | 1.125 | 1.312 | 1.5 | 1.688 | 1.875 | 2.062 | 2.25 |
max | 0.362 | 0.484 | 0.544 | 0.603 | 0.725 | 0.906 | 1.088 | 1.269 | 1.45 | 1.631 | 1.812 | 1.994 | 2.175 | |
e | max | 0.53 | 0.707 | 0.795 | 0.884 | 1.061 | 1.326 | 1.591 | 1.856 | 2.121 | 2.386 | 2.652 | 2.917 | 3.182 |
min | 0.498 | 0.665 | 0.747 | 0.828 | 0.995 | 1.244 | 1.494 | 1.742 | 1.991 | 2.239 | 2.489 | 2.738 | 2.986 | |
k | max | 0.188 | 0.22 | 0.268 | 0.316 | 0.348 | 0.444 | 0.524 | 0.62 | 0.684 | 0.78 | 0.876 | 0.94 | 1.036 |
min | 0.156 | 0.186 | 0.232 | 0.278 | 0.308 | 0.400 | 0.476 | 0.568 | 0.628 | 0.72 | 0.812 | 0.872 | 0.964 | |
r | max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.06 | 0.06 | 0.06 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 |
min | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
Support customer customization | ||||||||||||||
Some introduction about our company
Certification
Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification through the scientific management of leaders of various departments and the pursuit of high quality for bolts and other fasteners. In addition, the laboratory owned by Star Company has obtained the certification in 2017. It passed the national CNAS certification in 2018, and the company passed the European CE certification in 2018.
Workshop
The workshop of Jinan Star Fastener Co., Ltd. is the core area of the company's production and manufacturing, with advanced production equipment. The reasonable layout of the workshop and the scientific production process ensure the efficient production and high-quality output of fastener products.
Testing Equipment
Jinan Star Fastener Company attaches great importance to product quality and is equipped with complete quality inspection equipment, such as tensile testing machines, torque testers,metallographic microscopes, optical projectors, salt spray test chambers, coating thickness gauges, etc., which are used to test the tensile strength and elongation of fastener products and evaluate the mechanical properties of products. These equipment ensure that every link from raw materials to finished products can be strictly controlled in quality.
Exhibition
Jinan Star actively participates in various exhibitions in the fastener industry. On the one hand, it expands its customer base, and on the other hand, it keeps up with the development trend of the fastener industry, understands customer needs, and then makes improvements in quality, service, etc.
FAQ
1. What standards do your Stainless Steel Square Head Bolts meet?
A: Our Stainless Steel Square Head Bolts fully comply with the ASME B18.2.1-1 standard, ensuring that the product's dimensions, materials, threads and other characteristics meet the standard requirements.
2. What sizes are available for Stainless Steel Square Head Bolts?
A: We offer square head bolts in a variety of sizes, including different diameters, lengths and head sizes to meet the connection needs of various equipment and structures.
3. What scenarios are Stainless Steel Square Head Bolts suitable for?
A: Square head bolts are widely used in mechanical equipment, building structures, automobile manufacturing and other fields. Our products can ensure stable connection and easy disassembly in these fields.
4. How accurate are square head bolts?
A: Our square head bolts are accurate in size and fine in thread. They are produced according to the accuracy level specified by the ASME B18.2.1-1 standard to ensure reliability and accuracy during connection.
5. If I want to replace an existing square head bolt, can you provide a suitable one?
A: If you need to replace an existing square head bolt, we can provide products of the same or similar specifications and sizes to ensure compatibility with the existing system.
6. Do you provide fastener customization services?
A: We provide customized services and can produce square head bolts with special sizes, materials or coatings according to your specific needs.
7. What materials are available for square head bolts?
A: We provide square head bolts in a variety of materials, including carbon steel, stainless steel, alloy steel, etc. to meet the strength and corrosion resistance requirements of different application scenarios.
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