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Stainless Steel Unequal Double-End Studs
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Stainless Steel Unequal Double-End Studs

Name: Stainless Steel Unequal Double-End Studs
Standard: GB897/GB899、DIN835
Material: 304 ,316, Stainless steel
Grade: A2-70, A4-70, A4-80
Nominal Diameter: M6-M48
Length: 20-160
Surface Treatment:  whitewash

Acceptance: OEM/ODM, Trade, Wholesale, Regional Agency

Payment: T/T, L/C, PayPal

We are based in China, we have our own factory. We are your best choice and most dependable business partner among many trading companies.

We are happy to respond to any inquiries; please send your questions and orders.

Stock Sample is Free & Available

    product detail

     Description of Stainless Steel Unequal Double-End Studs

    Unequal double-end studs (also known as unequal-length double-ended bolts or double-ended screws) are fasteners with external threads at both ends but different lengths, with a smooth spool or special structure in the middle, connected by a nut for tightening. The main difference between them and equal-length studs is the difference in length between the long and short ends, allowing for precise matching of the thickness differences between the two connecting parts, avoiding material waste or problems with the nut not being able to screw in.

    Made entirely of high-quality stainless steel (304/316), they possess excellent corrosion resistance and oxidation resistance, suitable for humid, chemical, and outdoor environments. The products conform to standards such as GB897/GB899 and DIN835. The short thread end is typically 1 or 1.5 times the thread diameter, and various specifications are available.

    Aozhan Hardware directly supplies stainless steel unequal double-end studs, with complete specifications and customizable options. Contact us for inquiries!

     

    Advantages of Stainless Steel Unequal Double-End Studs

    1. Unequal length design: Suitable for connecting thick parts, convenient single-sided operation.

    2. Stainless steel material: Durable in salt spray and acid/alkali environments.

    3. Complete specifications: Diameter M6-M48, length customizable.

    4. Direct supply: Supports customization of non-standard materials and sizes.

     

    Choose a professional stud manufacturer to ensure thread precision and mechanical performance. As a reliable stud supplier, we offer 304/316 stainless steel and free samples. Bulk purchases of studs offer more competitive prices, and we provide fast shipping from in-stock items.

    Contact us now for free samples and quotes.Contact us now for free samples and quotes.

    Quality Inspection

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    Why choose us?

    1.Experience

    As a manufacturer specializing in stainless steel unequal-length double-ended studs for over ten years, we are proficient in hot rolling, cold heading, and thread rolling processes. From the length ratio of the short thread end to the thread profile accuracy of the long thread end, every process has standardized quality inspection procedures. Customers trust us because we understand materials, standards (GB/DIN/ANSI), and, most importantly, your equipment connection needs.

    2.Customization
    Not limited to standard specifications. We support customization of diameter, thread length ratio, material (304/316/carbon steel), and surface treatment, and offer free samples. As a one-stop bolt supplier, we transform non-standard into mass-producible, making the "unequal length" requirement of special sizes no longer a procurement challenge.

    3.Scale
    Multiple CNC lathes, thread rolling machines, and heat treatment equipment enable a daily production capacity of tens of thousands of pieces. We maintain a large inventory of commonly used specifications, and support same-day shipping for urgent orders. Due to direct sourcing, our double-ended stud prices are more competitive than those of intermediaries—larger quantities receive even better prices, with no hidden costs.

    4.Service

    A professional after-sales team provides full support, from product selection advice to installation torque guidance, offering long-term technical support. We don't just sell products; we provide fastening and connection solutions. Choosing us means choosing a worry-free, reliable, long-term partner.

     

    Production Process

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    Application of  Stainless Steel Unequal Double-End Studs

    Stainless steel unequal-length double-ended studs are widely used in equipment assembly scenarios requiring unilateral installation but with significant connection thickness. The shorter threaded end screws into thick-walled workpieces or blind holes for fixation, while the longer threaded end protrudes to engage with a nut and secure other components. They are commonly used in chemical pressure vessels, oil pipeline flange connections, ship bulkhead penetrations, and internal structural fastening in mining machinery and metallurgical equipment. Choosing a professional double-ended stud manufacturer ensures that thread accuracy and mechanical properties meet GB/DIN/ANSI standards. As a reliable fastener supplier, we offer 304/316 stainless steel materials and custom services for non-standard thread lengths. Direct manufacturing gives us a price advantage. The stainless steel material is corrosion-resistant and rust-resistant, suitable for humid, acidic, alkaline, and outdoor environments, ensuring long-term stable and reliable connections.

    Application Diagram

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    Our Certification

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