Hexagon Countersunk Head screw
1.GB-T 70.3 Hexagon Socket Countersunk Head Screws with Reduced Loadability
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.
Appearance: The Hexagon Countersunk Head screw GB-T 70.3's head is round with a 90-degree cone, and has a concave hexagon in the middle. The overall profile is flat. Performance: It's easy to fasten and disassemble, not prone to slipping. But it has reduced loadability due to its head design.
Pictures
Product drawing
Product Specification
Size | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | |
P | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | |
dk | max | 4.70 | 5.88 | 6.72 | 8.96 | 11.21 | 13.44 | 17.92 | 22.4 | 26.88 | 30.8 | 33.6 | 40.32 |
min | 3.70 | 4.80 | 5.54 | 7.53 | 9.43 | 11.34 | 15.24 | 19.22 | 23.12 | 26.52 | 29.01 | 36.05 | |
e min | 1.500 | 1.733 | 2.303 | 2.873 | 3.443 | 4.583 | 5.723 | 6.863 | 9.149 | 11.429 | 11.429 | 13.716 | |
k | max | 1.350 | 1.690 | 1.860 | 2.480 | 3.100 | 3.720 | 4.960 | 6.200 | 7.440 | 8.400 | 8.800 | 10.160 |
min | 1.130 | 1.408 | 1.522 | 2.121 | 2.669 | 3.218 | 4.366 | 5.563 | 6.711 | 7.588 | 7.874 | 9.037 | |
s | max | 1.360 | 1.560 | 2.080 | 2.580 | 3.080 | 4.095 | 5.140 | 6.140 | 8.175 | 10.175 | 10.175 | 12.212 |
min | 1.320 | 1.520 | 2.020 | 2.520 | 3.020 | 4.020 | 5.020 | 6.020 | 8.025 | 10.025 | 10.025 | 12.032 | |
t | max | 0.85 | 1.15 | 1.25 | 1.65 | 2.00 | 2.50 | 3.20 | 3.90 | 4.90 | 5.10 | 5.40 | 6.40 |
min | 0.75 | 1.00 | 1.10 | 1.40 | 1.75 | 2.20 | 2.90 | 3.50 | 4.30 | 4.50 | 4.80 | 5.60 | |
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. Furthermore, the laboratory owned by Star Company obtained certification in 2017. It passed the national CNAS certification and the European CE certification in 2018.
Production equipment
The workshop of Jinan Star Fastener Co., Ltd. serves as the central part for the company's production and manufacturing activities. It is equipped with advanced production facilities. The well-designed layout of the workshop along with the scientific production procedures guarantee the efficient production as well as the high-quality output of fastener products.
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.
Our customers
Our bolts, screws and other fasteners are exported to numerous countries such as the United States, Germany, Australia, Japan and so on. Since the factory was established in 1968, we have accumulated many long-term partners. Jinan Star has been dedicated 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.
Service
1. Provide bolt selection guidance for customers. According to your application scenarios, load-bearing requirements and other factors, help customers choose the appropriate model of Hexagon Countersunk Head screw GB-T 70.3 to ensure that the bolts can meet the actual use needs.
2. Customize Hexagon Countersunk Head screw GB-T 70.3 of different specifications, sizes and materials according to the specific needs of customers. For example, if you have special requirements for parameters such as the length, diameter and thread of bolts, Jinan Star can carry out specialized production and processing.
3. Cooperate with professional logistics companies to ensure that Hexagon Countersunk Head screw GB-T 70.3 products can be delivered to customers in a timely and safe manner. According to customer requirements, provide different transportation methods and distribution plans, such as express delivery, logistics, shipping, etc.
FAQ
1. What is the quality of your Hexagon Countersunk Head screw GB-T 70.3?
Our Hexagon Countersunk Head screw GB-T 70.3 is produced in line with relevant standards and undergoes strict quality inspections. We provide a quality guarantee to certify its quality and performance.
2. Can you please give me the best price?
Of course, we will give you the best price. The product price is determined based on factors such as quantity, specification, material, etc. Your consultation is welcome and we will provide a reasonable quotation
