
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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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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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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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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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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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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Welding Screw Studs
For a permanent, high-strength fastener connection on thin sheet metal panels without drilling holes or leaving unsightly protruding bolt heads, our high-precision Welding screw studs are the perfect
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Torx Slot Assembly Screws
In modern assembly environments, cam-out and tool slippage represent major bottlenecks that compromise productivity and damage premium finished surfaces. Our Torx slot assembly screws are engineered
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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 anchor bolt and screw Manufacturers Factory Suppliers
Our company adopts advanced low-energy-consuming equipment, in line with the principles of energy conservation, environmental protection, and investment reduction, to realize the clean production of the enterprise and improve the utilization efficiency of energy and resources. This means that our socket hex screws, machine screws and bolts, Set Screws has lower production costs, helping customers to reduce expenses. Our company constantly explore and develop anchor bolt and screw suitable for customer needs. We strive to build long-lasting relationships with our partners and customers. We have an extensive network of logistics partners that enable us to ship to any location in the world. Our company always adhere to product quality as the core, standardized management means, adhere to do exquisite products, sincerely hope to work with you hand in hand. We take pride in being a socially responsible company that is making a positive impact on the world. 'Make the women more attractive 'is our sales philosophy. Our company adheres to the brand concept of "pursuit of quality", leads the market trend with advanced design, efficient production process, and reliable products, and has won wide popularity and reputation. In the future, we will continue to strive to be the industry leader. From requirements to products, we have a very simple process.WebChoose from our selection of concrete Anchor bolts, including steel stud anchors, heavy duty hex head tapping screws, and more. In stock and ready to ship. BROWSE CATALOG...
WebSep 19, 2017 · The difference between a bolt and a screw is bolts are used to assemble to unthreaded objects, typically with the use of a nut. In comparison, screws are used to assemble objects...
WebEasy-Install Female-Threaded Anchors for Concrete. Install like a stud anchor— just thread the anchor, a nut, and a washer onto the end of a threaded rod, drive into a hole, and turn the nut to...
WebOver 50 years of experience, hand crafted products you need and give peace of mind during the process....
WebA&A Bolt & Screw Company is a family owned, full service fastener distributor located in Baltimore, Maryland. We stock all types of fasteners ready for pickup or fast delivery. We keep an...
WebNov 9, 2020 · Anchors. Anchor bolts or anchor fasteners connect objects to a concrete surface, like a house foundation. These are often cast in place, with part of the bolt exposed so that the...
