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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Stripper Bolt
We take a φ10 h7 size as an example. The actual diameter is 10.000 to 9.985 mm. When it fits with a linear bearing or bushing, the gap is very even. Tolerance is h6 or h7 level. That is ±0.005 mm to
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Torch Slot Self-tapping Screws
We take an M5×20 trilobular screw into 2 mm thick SPCC steel as an example. The pre-drilled hole is φ4.5 mm. The driving torque is only 1.5-2.5 N·m. This is 20-30% lower than a regular trilobular
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Projection Weld Nut Fasteners
Tapping threads into thin sheet metal often leads to stripping because there aren't enough thread rotations to hold a load. Our Projection Weld Nut Fasteners solve this by providing a high-strength,
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Resistance Welding Studs
Have you ever struggled with mounting a fastener on a metal plate when the reverse side is completely inaccessible? Our Resistance Welding Studs provide the ultimate solution for single-sided
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Torx Drive Self-Threading Fasteners
Are you struggling with screws stripping in plastic or thin sheet metal? Standard self-tapping screws often require too much force to drive and are prone to tool slippage. Our Torx Drive
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Headless Grub Screws
Do you need to secure a gear or pulley to a shaft without a bulky screw head getting in the way? Our Headless Grub Screws are the perfect solution for flush-mount fastening. Designed to be screwed
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Precision Shoulder Bolts
In the world of high-precision mold making and automation, you often need a component that acts as both a pivot shaft and a fastener. Our Precision Shoulder Bolts, also known as Stripper Bolts, are
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Socket Head Machine Bolts
For modern machinery where space is a premium and aesthetics matter, our Socket Head Machine Bolts are the industry standard. The cylindrical head is designed to be countersunk into a bored hole,
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Set Screw Fasteners
When locking pulleys, gears, collars, and shafts in place without a protruding bolt head, our high-precision Set screw fasteners are the optimal choice. Designed with an internal hex socket drive
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Torch Slot Combination Screws
We take an M6 Torx (T30) as an example. The maximum transfer torque is ≥25 N·m. This is much higher than a Phillips slot (PH3) at ≤12 N·m. We follow DIN 34800 for repeated tightening. After 100
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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 bolts for steel Manufacturers Factory Suppliers
As a leading bolts nuts screws, long hex head screws, high tensile bolts and nuts company, we are committed to staying innovative and ahead of the curve. We pursue the administration tenet of 'Quality is exceptional, Provider is supreme, Name is first', and will sincerely create and share success with all clientele for bolts for steel. With the joint efforts of all staff and the support of customers, our company has developed into an enterprise with a certain scale and advanced management in China. Our philosophy is high technology, high quality and efficiency; customer first, full service; improvement and innovation, the pursuit of excellence. Our company is dedicated to providing our customers with a seamless and hassle-free experience. Our team is available to handle any queries or concerns our clients may have. We understand the importance of timely delivery and ensure that our clients receive their orders on time.
Marc Mims
The product of this supplier is good, and the after-sales service is excellent!
Louis Hatcher
I am very happy that I bought these products at a very competitive price.
Lisa Heaton
The quality of our products is very good and the shipping is very fast!
Gregory Pendleton
This company provides customers with satisfactory services, expands the growth space for employees, builds a benign ecology with partners, and creates a harmonious atmosphere for the society.
Dayna Williams
It is an enterprise with a long history and has accumulated a good reputation. They respected us a lot and communicated seamlessly with our team, so our requests were well attended to.
Conrad Butler
We are very satisfied with this supplier, they help us solve many difficult problems. We believe that with the spirit of focus and innovation, they will surely achieve better results.
We are committed to revitalizing the company's development by science and technology, and strive to develop new rivet stainless, shaft lock washer, flat head bolt screw. As one of the most experienced bolts for steel manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale bulk bolts for steel made in China here and get quotation from our factory. Customized orders are welcome.
