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Rail car knuckle pins are heavy-duty, vertical steel rods that secure a hinged coupler knuckle to the railcar drawbar. They enable cars to connect and disconnect. Standard C-10 knuckle pins are the industry norm, measuring 13 3/8 inches long, 1 5/8 inches in diameter, and weighing roughly 10 pounds.
Kunshan Signum Machinery Technology Co., Ltd. Specializes in manufacturing KNUCKLE PINS, Railcar Pins and various pins according to clients’ drawings. This includes custom length, thread, material, grade and finish.
Key Specifications & Features
Key Specifications & Features
Material: Typically forged from Q235 or equivalent high-strength carbon steel, delivering high yield and tensile strength to withstand heavy buff and draft forces.
Design: Features an extra-large chamfer on the end and drilled holes for cotter pins, ensuring the pin gravity-guides smoothly through the coupler assembly and remains locked in place during transit.
Specialty Variants: Signum also able to offer C-12 knuckle pins designed to promote rotation and improve wear characteristics. You can also find 4-way hole pins to aid in easier installation and handling in Signum.
Compliance: All pins must meet strict Association of American Railroads (AAR) standards for material traceability and structural integrity.
Sourcing & Replacement
Sourcing & Replacement
Because knuckle pins take on immense pulling and pushing forces, they are subject to wear, rust, and shear. When replacing them or performing routine maintenance, exact matches for your fleet are required.
When sourcing knuckle pins for your inventory or repair shop, please feel free to contact Signum. We supply top-tier and certified knuckle pins engineered for maximum longevity and seamless field installation.
We are able to offer qualified knuckle pins with competitive price and lead time. Weaccept 3rd party inspections before shipment.
CALL US NOW
Direct Line:+86 512 50353196
Whatsapp:+86 158 6266 4803
Email: admin@rail-fastening.com
Address: 120 Tongjing Road, Lujia Town, Kunshan, Jiangsu 215331, China
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