Fasteners - ZEXI Fastener | Professional Fastener & Component Manufacturer

Hex Cap Screws

ASME B18.2.1
DIN933, DIN931, DIN960, DIN961, ISO4014, ISO4017, JIS B1180
Automotive OEM Standards
Industrial OEM Standards

Our hex cap screws align with stringent global standards from ASME to DIN, ISO, and JIS, satisfying top automotive and industrial OEM demands. Our commitment ensures superior performance for a myriad of applications.

Our extensive selection covers diameters from M6 to M24 (1/4" to 1") and lengths from 12mm to 850mm (0.5" to 33.5"), providing reliable fastening solutions across both automotive and industrial sectors.

"One of the primary suppliers of fasteners for wind power in China."

Thread Cutting Screws

ASME B18.6.3
SAE J933

Our thread cutting screws are manufactured primarily in accordance with ASME B18.6.3 and SAE J933 standards, featuring thread types F, 23, and Tri-Point.

We can produce screws with 1 to 3 thread leading lines as per customer requirements. After carbonitriding, the core hardness is between 28-38 HRC, while the surface hardness exceeds 55 HRC, endowing them with superior self-tapping capabilities.

Widely used in the fields of trailers, container and trucks.

Flange Bolts

ASME B18.2.1
DIN6921 | ISO4162 | JIS B1189
Industrial OEM Standards

ZEXI is a proud supplier of flange bolts to numerous automotive manufacturers, combining advanced research and development with professional manufacturing capabilities. Each flange bolt produced by ZEXI bears our distinctive ZXF mark—a symbol of our manufacturing identity and a testament to the innovative R&D achievements we have delivered in partnership with automotive customers worldwide.

6 Lobe Pan Head Screws

ASME B18.3, ASME B18.6.3
Automotive OEM Standards
Industrial OEM Standards

6-Lobe pan head screws are widely used in automotive and industrial assembly for their strong clamping force and easy installation. Imperial screws meet Grade 5/8 standards, metric screws are class 8.8, 9.8, 10.9, ensuring high performance. Surface finishes including phosphating, galvanizing, Dacromet and Magni provide excellent corrosion resistance for different environments.

Trailer Components / Anchor

Automotive OEM Standards
Industrial OEM Standards

Our utilization of advanced multi-station cold forging technology is not limited to the production of fasteners but is also adept at efficiently manufacturing a variety of components and special-shaped parts. Compared to traditional turning processes, this technology can increase production efficiency by several tens of times and significantly reduce the use of raw materials, substantially lowering the cost of parts. For parts that cannot be formed in one step, we combine rough machining through cold forging with precision machining using CNC to ensure that every dimension meets our strict quality standards.

Alloy Fasteners

Petroleum, Natural Gas, Shipbuilding, Aerospace
Industrial OEM Standards

In addition to carbon steel and stainless steel fasteners, we also manufacture high-performance alloy fasteners using materials including Hastelloy, titanium alloy, copper alloy, Inconel, and Incoloy. These products are widely used in demanding industries such as petroleum, natural gas, shipbuilding, and aerospace.

Our alloy fasteners feature excellent corrosion resistance, high temperature stability, and reliable mechanical properties, making them ideal for critical applications. Notably, our copper alloy components have been successfully applied by the renowned S&C Electric Company.

Slotted Screws

ASME B18.6.2, ASME B18.6.3
Industrial OEM Standards

ZEXI Fastener offers a comprehensive range of fasteners in sizes from 1/4 to 3/4, available in both metric and inch specifications to suit different usage scenarios. With lengths extending up to 6 inches and stable dimensional accuracy, our products deliver consistent performance and secure fastening, serving a wide variety of industrial applications with reliable quality.

Specialty Bolts

Electric Standard
Industrial OEM Standards

At our state-of-the-art facility, we specialize in crafting specialty fasteners tailored to meet unique industry demands. Our expertise lies in producing custom-designed fasteners that ensure optimal performance and durability. With advanced technology and stringent quality control, we deliver fasteners that not only meet but exceed our clients' expectations, catering to a diverse range of applications with precision and reliability.

Flange Nuts

ASME B18.2.2, ASME B18.16.4
DIN6923

ZEXI Fastener offering a variety of sizes from 1/4 to 3/4 in both metric and inch measurements, ensuring high-quality, durable connections for diverse industrial applications.

Hex Nylon Insert Locknuts

ASME B18.16.6
DIN982, DIN985

Our nut series consists of Nylon insert lock nuts and flange nuts, with a stock quantity of over 50,000,000 pieces for both inch and metric Nylon insert lock nuts. This enables us to meet the urgent orders from global customers, with a turnaround time from PO to delivery in just 3 days.

Professional Fasteners