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304/316 Stainless Steel Clevis Pins with Hole & Cotter Pins - China Suppliers & Factory for Mechanical Assembly

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Product Name: Hole-mounted Flat-Head Pins (Clevis Pin / Plug Pin / Cotter Pin Matching Pin / Hitch Pin)
, Material: AISI 304/316 Stainless Steel (Corrosion Resistant, Rust Resistant), 5# Steel / 40Cr Alloy Steel
, Standards: GB/T 882, GB/T 91, ISO 2341, DIN 1443, DIN 1444
, Grade: Stainless Steel A2 (30/ A4 (316), Carbon Steel 8.8 Grade / 10.9 Grade
, Specifications: 3mm to 50mm (Customizable)
, Surface Treatment: Natural Polishing / Passivation Treatment (No Coating, Corrosion Resistant), Electro-Galvanizing / Hot-Dip Galvanizing / Blackening Treatment (Optional for Enhanced Rust and Wear Resistance)
, Design Features: Perforated Flat Head Structure, High-Gloss Shaft Surface, Corrosion-Resistant Stainless Steel, Various Specifications, High Tensile Strength
, Applications: Ideal for Mechanical Engineering, Lifting Equipment, Automotive and Trailer Industries, Industrial Equipment, and Marine Engineering.
, Delivery Time: 15-30 Days After Receiving Advance Payment
, Origin: China
, Brand: JGD
, Minimum Order Quantity: 10,000 Pieces (Negotiable)
, Samples: Available Upon Request
, Packaging: Boxed, Bulk, Pallet, or Customized Packaging Options
, OEM: Available
, As a leading China supplier and factory, we pride ourselves on delivering high-quality hole-mounted flat-head pins tailored to meet your specific requirements. Our products are crafted using durable materials to ensure longevity and superior performance across various applications.

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    304 Stainless Steel Cross Recessed Countersunk Head Self-Tapping Screws01
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    Key Features

    Our self-tapping screws are crafted from food-grade 304 stainless steel and treated to achieve metric Grade 12.9 ultra-high strength, overcoming the traditional hardness limitations of standard stainless steel. Featuring a countersunk Phillips head design, these screws can be installed flush with the workpiece surface for a zero-profile finish, making them ideal for precision electronics and architectural decoration. We have optimized the thread geometry for different substrates (metal, wood) to ensure low-torque driving with high-torque clamping, effectively preventing stripping. As a superior alternative to standard Tek screws, these fasteners perform exceptionally well in thin sheet metal connections, providing an intelligent fastening solution that balances aesthetics with high load-bearing capacity.
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    Precision Manufacturing Process

    From wire rod to finished product, we strictly adhere to multiple international standards including ISO, DIN, ANSI, and GB. Utilizing multi-station cold forging technology, we ensure shank diameter tolerances are controlled within microns. Threads are formed through a precision thread rolling process to enhance fastening force. For non-standard requirements, we employ optical imaging sorters to reject minute defects like head cracks. In post-treatment, we offer a wide range of surface finishing options: from conventional zinc plating and nickel plating to highly corrosion-resistant Hot-Dip Galvanizing (H.D.G.), as well as decorative polishing and black anodizing. We even provide food-grade passivation treatment, ensuring every screw has a prolonged fatigue life in demanding environments.
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    Transparency & Customization

    As a source factory, we are committed to breaking down the information barriers of traditional trade. From mill certificates for raw materials to hardness grades (covering Grade 4.8 to Grade 12.9, as well as A2-70 and A4-80 marine-grade stainless steel), all test data is traceable. We support full-chain customization: dimensionally, we can adjust thread length and head thickness according to drawings; functionally, we can combine processes like sandblasting, electrophoretic coating (e-coating) , or chrome plating. Whether you need British Standard (BS) fasteners or require a special colored anodized finish, we offer small-batch sampling. This ensures that when you purchase fasteners from us, you not only receive high-quality products but also full transparency and control over the entire process, from material selection to packaging.
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    No Pre-Drilling · Rust Resistant · More Secure

    This stainless steel Phillips countersunk self-tapping screw, with its rust-resistant and corrosion-resistant material, one-step self-tapping design, and aesthetically pleasing countersunk head structure, has become the preferred solution for metal substrate fastening scenarios that is efficient, reliable, and aesthetically pleasing.
    Product Details

    Our Manufacturing Advantages

    Manufacturing Process
    Manufacturing Process
    ⚙️Multi Station Cold Heading Technology
    ⚙️Intelligent Heat Treatment System
    ⚙️Micron-Level Thread Rolling Process
    ⚙️Fully Automatic Optical Sorting
    ⚙️Environmentally Friendly Surface Treatment Line
    ⚙️Metallographic And Mechanical Joint Laboratory
    Quality Control System
    Quality Control System
    🛡️Raw Material Source Locking
    🛡️Furnace Number Batch Full Traceability
    🛡️Third Party Material Certification
    🛡️Process Parameters Open And Transparent
    🛡️Salt Spray Test Real Time Monitoring
    🛡️International Standard Compliance Declaration
    Flexible Customization
    Flexible Customization Capability
    🎨Customizable head/slot Shapes
    🎨Extreme Application Of Special Materials
    🎨Breakthroughs In Extra Large/Long Specifications
    🎨Integrated Assembly Of Components
    🎨Customizable Surface Treatment Colors
    🎨Personalized Packaging And Labeling
    Technical Service
    Technical Service
    🛠️On-Site Failure Analysis
    🛠️Selection Calculation And BOM Optimization
    🛠️Installation Tool Selection Guidance
    🛠️Inventory Management (VMI) Trusteeship
    🛠️Free Sample Making And Testing
    🛠️International Standard Translation And Interpretation

    Premium Clevis Pins Series

    Multi-Material Series

    Multi-Material & Full Strength Series

    Our clevis pins are made of AISI 304/316 stainless steel or 45#/40Cr alloy steel, with strength grades including A2-70 (304), A4-80 (316), and carbon steel grades 8.8/10.9. The 316 stainless steel version offers exceptional chloride corrosion resistance, passing ≥720 hours of salt spray testing. With diameters ranging from 3mm to 50mm, they adapt to various load requirements.

    Precision Design

    Standardized Precision Design

    Manufactured to international standards including GB/T 882, ISO 2341, and DIN 1443, our pins feature a flat head with cross-hole and high-precision polished shaft. The smooth shaft minimizes wear during operation. When paired with cotter pins or R-clips, they provide dual anti-loosening security for lifting equipment and mechanical engineering.

    Quick-Install Design

    Quick-Install Design for Efficiency

    The cross-hole design allows fast locking with cotter pins: simply insert the pin and secure it. No special tools are needed for disassembly, improving assembly and maintenance efficiency. Customizable lengths suit applications from automotive trailers to marine equipment and industrial machinery.

    Application Scenarios

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    High-Quality Product Display

    Frequently Asked Questions

    What materials are available for your clevis pins?
    We offer AISI 304 and 316 stainless steel for superior corrosion resistance, as well as 45# and 40Cr alloy steel for high-strength applications.
    Which international standards do your products follow?
    Our manufacturing strictly adheres to international standards including GB/T 882, ISO 2341, and DIN 1443 to ensure global compatibility.
    Can I customize the size and surface treatment?
    Yes, we provide customization for diameters (3mm-50mm), lengths, head shapes, and various finishes like hot-dip galvanizing, electro-galvanizing, or black oxide.
    How do you ensure the quality of the pins?
    We implement a full traceability system, use locked raw material sources, and conduct real-time salt spray and mechanical testing in our joint laboratory.
    What are the main applications for these clevis pins?
    They are widely used in lifting equipment, automotive trailers, marine hardware, industrial machinery, and any scenario requiring a secure, quick-release connection.
    Do you provide samples for testing?
    Yes, we offer free sample making and testing services to ensure our products meet your specific application requirements before mass production.