
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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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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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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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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Six-Lobe Drive Assembly Screws
Our Six-Lobe Drive Assembly Screws, commonly known as Torx or Torch Slot Combination Screws, provide a superior drive system with a much larger contact area. This vertical drive surface reduces the
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Hex Washer Head Phillips Sems Screws
hese are pre-assembled combinations where the washers are trapped on the screw body before thread rolling, meaning they will never fall off during transit or assembly.
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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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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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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 machine screw head Manufacturers Factory Suppliers
The company is a manufacturer specializing in the production and sales of high tensile bolts and nuts, Welding Screws, screws for studs, with strong strength, complete equipment, advanced technology, perfect testing methods, a sound management system and a perfect quality management system. The products are sold throughout the country and are trusted by users. We use advanced electronic trading systems to make machine screw head trading investment as convenient as buying and selling stocks, thereby improving transaction efficiency and price transparency. Internationalization provides a new channel for our company to improve technical level and maintain market competitive advantage. We are a leading supplier of premium-quality office furniture and equipment. Our products are recognized for their superior quality and affordable pricing. Our products are designed to meet the unique needs of businesses in various industries. Excellent quality is the unremitting pursuit and direction of our efforts in product and service quality. We are constantly evolving and adapting to changing market conditions and customer needs.For several months, these products have run well, and there is no sign of wear due to frequent use.
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We clearly understand that standardized enterprise, management, to ensure the stability of lock nut, screw self drilling, socket for screw quality. As one of the most experienced machine screw head manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale bulk machine screw head made in China here and get quotation from our factory. Customized orders are welcome.
