Square Neck Bolt
1.DIN 603 Cup Head Square Neck Bolt
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.
Cup Head Square Neck Bolt under the DIN 603 standard, often also known as carriage screws or guardrail bolts, are a type of fastener with specific design and functional requirements. DIN 603 Cup Head Square Neck Bolt have a round head design and square neck construction. This design enables the bolt to provide a more uniform and stable tightening force during the connection process. DIN 603 Cup Head Square Neck Bolts are widely used in highway guardrails, aquaculture guardrails, mariculture, wind power generation and other fields. In these applications, bolts are required to withstand complex forces and environmental conditions, requiring good reliability and durability. In addition to basic fastening functions, DIN 603 bolts also have some unique advantages and features. For example, its round head design reduces damage to the connecting surface, while its square neck structure increases the bolt’s shear resistance and stability. In addition, this bolt also has good disassembly and reusability, making it easy to maintain and replace.
Pictures
Product drawing
Product Specification
Size | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
P | 0.8 | 1.0 | 1.25 | 1.5 | 1.75 | 2.0 | 2.5 | |
b | l<=125mm | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
125mm<l<200mm | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
l>200mm | / | / | 41 | 45 | 49 | 57 | 65 | |
dk | max | 33.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.80 | 46.80 |
min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.20 | 45.20 | |
dk | max | 5.0 | 6.0 | 8.0 | 10.0 | 12.0 | 16.0 | 20.0 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.30 | 15.30 | 19.16 | |
ds | max | 4.10 | 4.60 | 5.60 | 6.60 | 8.75 | 12.90 | 15.90 |
min | 2.90 | 3.40 | 4.40 | 5.40 | 7.25 | 11.10 | 14.10 | |
fn | max | 3.30 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
min | 2.70 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
r1 | 10.7 | 12.6 | 16.0 | 19.2 | 24.1 | 29.3 | 33.9 | |
r2 | max | 0.5 | 0.5 | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 |
r3 | max | 0.75 | 0.90 | 1.20 | 1.50 | 1.80 | 2.40 | 30.0 |
vn | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.70 | 16.70 | 20.84 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.30 | 15.30 | 19.16 | |
Support customer customization | ||||||||
Some introduction about our company
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.
Application
Jinan Star Company specializes in the production of fastener products. Our bolts, nuts and other products are widely used in machinery, railways, automobiles, construction, electrical, bridges, communications, firefighting and other industries.
Production equipment
In order to meet the needs of different customers, the company has introduced a series of advanced production equipment, such as multi-station cold heading machines, thread rolling equipment, heat treatment equipment, shot blasting machines, sand blasting machines, electroplating lines and other surface treatment equipment, and fully automatic packaging equipment. These equipment not only improve production efficiency, but also ensure the consistency and stability of product quality.
Our Customers
Our bolts, screws and other fasteners are exported to many countries including the United States, Germany, Australia, Japan, etc. Since the establishment of the factory in 1968, we have accumulated many long-term partners. Jinan Star has been committed to providing customers with high-quality bolts and other fasteners. For this reason, our products and team will be trusted by customers and move towards a brighter future together.
FAQ
1. Does the Cup Head Square Neck Bolt meet DIN 603?
Answer: The DIN 603 Cup Head Square Neck Bolts we produce are manufactured in strict accordance with DIN 603 standards to ensure that product quality and performance meet the standard requirements.
2. How long is the Cup Head Square Neck Bolt delivery cycle?
A: Delivery time depends on order quantity and production progress. We will arrange production and delivery as soon as possible according to your needs to ensure you receive the product on time.
3. How much does the product cost?
Answer: Provide high quality products at the most reasonable price. We will provide you with a quote based on your specific needs and ensure a competitive price.
4. Does the product need special installation tools?
A: Typically, no special tools are required to install DIN 603 round head square neck bolts.
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