
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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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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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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Hexagon Head Machine Screws
When it comes to heavy-duty structural work, nothing beats the reliability of our Hexagon Head Machine Screws. As a staple in industrial assembly for 20 years, these External Hex Bolts are designed
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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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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 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 square bolts Manufacturers Factory Suppliers
Continuous development and meeting customer needs are our eternal pursuit. In the current global economic integration and increasingly fierce market competition, we will continue to uphold the pragmatic and innovative entrepreneurial spirit to provide customers with high-quality Torch Slot Self tapping Screws, Torch Slot Combination Screws, special screws and services. Our company's products are exported to Japan, the United States and other countries, which allows us to absorb the production technology and management experience of square bolts industries in developed countries. The products are of high quality and excellent service. The company incorporated social responsibility management knowledge into the management training courses, focused on building a resource-saving and environment-friendly enterprise, and systematically trained management personnel and business backbones to improve the understanding of the basic knowledge of social responsibility management. The mission of our company is to contribute to a better life with intelligent engineering, and the philosophy of our manager is to be customer-centered and innovation-driven; to continuously innovate and learn the latest technology to be the industry leader. Our team of experts has extensive experience in the industry and is well-versed in the latest trends and innovations. Our team of professionals is dedicated to ensuring customer satisfaction. Our company believes that effective use of existing technology to create products and services that customers desire is the true technical capability.• Square U-bolts are great for attachment to square shaped objects • The zinc-plated finish provides corrosion resistance • U-bolt measurements are: diameter x inside length x width...
In stock. Sockets for square head bolts and Square Nuts. Bolts and screws are classified by their shank or shaft size. 5/16" socket fits most 3/16" bolts. 3/8" socket fits most 1/4" bolts. 7/16"...
Square Head Bolts. Primarily used for aesthetics in new buildings or in the railroad industry, square head bolts are externally threaded fasteners, generally made from low or medium...
High Quality DIN478 Square Head Bolt. High Quality DIN478 Square Head Bolt Specifications: 1.Head Style: Square Head Bolt 2.Mark: According to customer's requirement. 1.Size: M16~M30 ,1/4~2...
May 26, 2019 · 1/4-20 x 5" Long Square-Neck Carriage Bolts Set w/Nuts & Washers,Zinc-Plated,Carbon Steel Grade 2 . Round domed head with square neck Imperial Full Thread carriage bolt; Package...
FITHOIST 4Pack Square U-Bolt 1/2"-13 Thread Size, 304 Stainless Steel U Bolts 1/2" D x 3-1/16" W x 7-5/16" L with Washers & Nuts, for Replacement Parts and Accessories for Ski Boat, Fishing Boat...
