External Hex Bolts
We take an M10×1.5 at grade 8.8 as an example. The recommended torque is 40-50 N·m. It creates about 15-18 kN of preload force. This is enough to lock most mechanical structures. The size range is M4
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New Phillips Head Hex Bolt Combination Screws
At our Waigang Town factory in Jiading District, Shanghai, we have spent the last two decades perfecting the design and manufacturing of high-reliability fasteners. Our Phillips head hex bolt
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Flat Head Machine Screws
When your assembly requires a smooth, flush surface with zero bolt head protrusion, our high-precision Flat head machine screws offer the ideal fastening solution. Featuring a 90-degree countersunk
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Cross Recessed Hex Tapping Screws
Eliminate the need for costly pre-tapping operations in sheet metal, plastic, and wood assemblies with our high-performance Cross recessed hex tapping screws. Combining a versatile external hexagonal
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Expansion Anchor Bolts
For secure, heavy-duty load anchoring in concrete, solid brick, and masonry structures, our Expansion anchor bolts provide the ultimate pull-out strength and mechanical security. Designed with a
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External Hex Head Bolts
When it comes to heavy-duty structural fastening, industrial machinery, and robust outdoor installations, our External hex head bolts deliver unmatched clamping force and reliable shear resistance.
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Internal Hex Socket Bolts
For structural joints requiring high tensile strength, compact head clearance, and a clean, flush appearance, our Internal hex socket bolts are the industry-preferred choice. Featuring a deep,
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Square Washer Combination Fasteners
Designed specifically for high-stress electrical terminals, heavy machinery, and structural sheet metal, our Square washer combination fasteners provide a secure, non-slip joint that distributes
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Internal Hex Bolts
We take an M10×1.5 at grade 12.9 as an example. The recommended torque is 60-70 N·m. The break torque is ≥110 N·m. The size range is M3 to M16. Carbon steel grades cover 8.8, 10.9, and 12.9. Grade
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Expansion Bolts
We take an M10×100 mm expansion bolt in C30 concrete as an example. The embedment depth is 50 mm. The ultimate pull-out force is at least 8 kN. This follows ASTM E488. The ultimate shear force is at
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Set Screws
We take an M8×1.25 cup point set screw as an example. You tighten it to the recommended torque of 15 N·m on a shaft. It makes at least 500 N of axial clamping force. This is enough to hold a gear
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Welding Screws
We weld an M6 welding screw on a 1.5 mm thick SPCC steel sheet. We follow AWS C1.1 for torque testing. The break torque is ≥20 N·m. The failure mode is sheet tearing, not weld spot failure. This
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China socket hex screws Manufacturers Factory Suppliers
We always adhere to the brand concept of the belief of making good flat head phillips screw, slot head screw, self drilling metal bolts, and have won wide recognition from all walks of life. We implement the corporate philosophy of 'strive for perfection and be true', pay close attention to the development trend of domestic and international socket hex screws industry, constantly improve ourselves, and promise to provide high-quality, efficient, thoughtful and considerate services to new and old customers. Our commitment to quality ensures that our products/services always meet or exceed industry standards. We are committed to innovation and continuous improvement, and we invest heavily in research and development to stay ahead of the curve. Because of the leading technology, the product is excellent. We are willing to cooperate sincerely with you and develop together! While improving product quality, the company also creates a harmonious environment in vain. We have established strong relationships with our customers and suppliers, and we work closely with them to ensure mutually beneficial partnerships. We work with the best manufacturers to ensure that our products meet the highest standards of quality.
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The corporate philosophy of this company is talent oriented, leading technology and customer first. So the team of their company is excellent and has done many big projects. Their related
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Your company has formed a unique corporate culture in the process of continuous struggle, but what hasn't changed is that you are still producing excellent products.
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The leader of the company said that innovation is fundamental to the survival and development of enterprises. As a result, you will often see many new products that follow the latest trends in their
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We endeavor to enhance the added value of our self tapping anchor screws, Metal Lock Nut and strive to improve and extend the industrial chain. As one of the most experienced socket hex screws manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale bulk socket hex screws made in China here and get quotation from our factory. Customized orders are welcome.
