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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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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Concrete Sleeve Anchors
Securing heavy equipment to concrete or brick walls requires more than just a screw; it requires an anchor that grips from within. Our Concrete Sleeve Anchors solve the problem of pull-out in masonry.
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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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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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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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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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Phillips Head Hex Bolt Combination Screws
The washer has a anti-fall design. The axial pull-out force is ≥50 N. The parts will not separate during shipping or vibration. We take an M8×1.25 size at grade 8.8 as an example. The recommended
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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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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 screw self drilling Manufacturers Factory Suppliers
Since our establishment, we have been adhering to the business philosophy of 'survive by quality and development by reputation', using first-class equipment, and through strict procurement, process control, and quality control procedures to professionally create trustworthy nuts and bolts with washers, bolt & washer, self drilling metal bolts for you. With the 'Client-Oriented' business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for screw self drilling. We have a long-standing commitment to social and environmental responsibility in all our business practices. We attach importance to the development and utilization of human resources, and build a management and staff team with high quality and strong execution ability that can adapt to market competition. We are a leading Chinese trading company. Our products are mainly exported to all over the world. Our company invests in the latest technology to improve our products and services. We always adhere to the trend of economic globalization and national economic development to grasp the value orientation and development direction of enterprises.
Denise Soares
Facts have proved that we have made the right choice. Your products are better than those of ordinary companies, and the prices are low. What a pleasant feeling!
Lori Inman
Although there is an inevitable time difference between us and the seller due to geographical reasons, we received the goods quickly, which does not affect the progress of our cooperation at all.
John Hiatt
The attitude of the customer service staff is very good, I love it!
Frederick Trombley
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
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The appearance design of the product is beautiful, the noise is small, and the operation is simple.
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Since we put machine screws and bolts, Multi Grip Rivet Nut on the market, this new generation of products has been quickly tested and recognized by customers all over the world, and has become the company's most popular product in recent years. As one of the most experienced screw self drilling manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale bulk screw self drilling made in China here and get quotation from our factory. Customized orders are welcome.
