ASME B18.5.2.2M Round Head Square Neck Bolts
Product: ASME B18.5.2.2M Round Head Square Neck Bolts
Property Class:4.6,4.8,5.6,5.8,8.8,10.9,12.9,
A2-70, A4-70,A4-80
Finish:Zinc Plating（Yellow Zinc, Zinc Blue, Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet
Material:Steel
Export country: USA, Japan, Australia, Europe and so on
Support customer customization
ASME B18.5.2.2M Metric Round Head Square Neck Bolt is a fastener with specific specifications and standards that follows the ASME B18.5.2.2M standard, which is an international standard for metric round head square neck bolts. ASME B18.5.2.2M Metric Round Head Square Neck Bolt has a round head and is suitable for applications that require a smooth surface. ASME B18.5.2.2M Metric Round Head Square Neck Bolt has a square neck design that helps prevent the bolt from turning during tightening. The size and specifications of the bolt are based on metric units, such as diameter, length, pitch, etc. ASME B18.5.2.2M Metric Round Head Square Neck Bolt is generally used to connect two objects and is tightened by using it with a nut.
Pictures
Product drawing
Product Specification
Size | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | M24 | |
P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 | |
ds | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 14.7 | 16.7 | 20.84 | 24.84 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 13.3 | 15.3 | 19.16 | 23.16 | |
k | max | 3.1 | 3.6 | 4.8 | 5.8 | 6.8 | 7.9 | 8.9 | 10.9 | 13.1 |
min | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
dk(max) | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | 51 | |
k1 | max | 3.1 | 3.6 | 4.8 | 5.8 | 6.8 | 7.9 | 8.9 | 10.9 | 13.1 |
min | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
s | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 14.7 | 16.7 | 20.84 | 24.84 |
min | 4.88 | 5.88 | 7.85 | 9.85 | 11.82 | 13.82 | 15.82 | 19.79 | 23.79 | |
e | max | 7.75 | 9.16 | 12.13 | 14.96 | 17.96 | 20.79 | 23.62 | 29.47 | 35.13 |
min | 6.34 | 7.64 | 10.2 | 12.8 | 15.37 | 17.97 | 20.57 | 25.73 | 30.93 | |
r | max | 0.4 | 0.5 | 0.8 | 0.8 | 0.8 | 1.2 | 1.2 | 1.6 | 1.6 |
min | 0.2 | 0.2 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.8 | 0.8 | |
Support customer customization | ||||||||||
Some introduction about our company
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.
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.
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.
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.
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.
Packing
Service
1. Professional Manufacturer: All our fasteners are designed and manufactured according to buyers' specifications and performance.
2. Quality assurance: durability testing and key technology design to increase the service life of fasteners.
3. Cost-effective: Wide selection of parts, supplied by professional factories, at competitive prices.
4. Customize ideal fasteners: Customize services based on provided samples and drawings.
5. 60 Years of Experience The perfect fastening solution to solve your problems: Wide selection of parts.
FAQ
1.About delivery time
Q: How long is your delivery time?
A: Delivery time depends on the quantity of products you order, the complexity of your customization requirements, and the current order status. Generally speaking, we will try our best to complete production and delivery within the time agreed by both parties. If there are special needs, we will consult with you and try our best to meet them.
2. Regarding the price issue
Q: What is the price of your products?
Answer: Our product prices are determined based on product materials, technology, quantity, market conditions and other factors. We will provide you with a reasonable quotation based on your specific needs. At the same time, we also provide a variety of preferential policies and flexible payment methods to meet your different needs.
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