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MSC995 Center Bolt 5/8in X 12 in Special High-Quality Leaf Spring Center Bolt and Nut for Truck Chassis

As a specialized supplier of automotive chassis fasteners, we offer 24/7 service, a dedicated sales team, and advanced manufacturing technology. Our commitment to quality and customer satisfaction ensures reliable solutions tailored to your needs in the automotive industry.

  • Material 45# steel/ 40Cr(SAE5140)
  • Grade/Quality 8.8/ 10.9
  • Hardness HRC23-34 / HRC33-38
  • Finishing Phosphated, Zinc plated, Dacromet
  • Color Black,Grey,Silver,Yellow
  • Certifiation ISO9001:2015
  • Customer Logo Acceptable
  • Package Carton/ Pallet or Customized Packing
  • Payment by T/T, 30% down payment, balance before shipment
  • OEM Available
  • Application Designed specifically for use as leaf spring center bolts in trucks and trailers, ensuring durability and reliability under heavy loads

PRODUCT PARAMETERPARAMETER

Quality 8.8 10.9
Hardness HRC23-34 / HRC33-38
Material 45# steel/ 40Cr(SAE5140)
Surface Black oxide, Phosphated, Zinc Plated, Dacromet
Color Black, Grey, Silver, Yellow
Logo as required
Packing neutral package or as required
Delivery Time 30-40 days
MOQ 1000 PCS


Bolt Size Head Size Thread
Length
Diameter Length Diameter Height
  5/16 2  1/2   1/2   3/8 2
  5/16 3   1/2   3/8 2  1/2
  5/16 4   1/2   3/8 2  1/2
  5/16 6   1/2   3/8 4
  3/8 3   9/16   5/16 2  1/2
  3/8 3  1/2   9/16   5/16 2  1/2
  3/8 4   9/16   5/16 2  1/2
  3/8 5   9/16   5/16 4
  3/8 6   9/16   5/16 4
  3/8 8   9/16   5/16 6
  3/8 10   9/16   5/16 9  1/2
  3/8 12   9/16   5/16 9  1/2
  7/16 4   5/8   3/8 3
  7/16 5   5/8   3/8 4
  7/16 6   5/8   3/8 4
  7/16 8   5/8   3/8 5  1/2
  1/2 8   3/4   7/16 5  1/2
  1/2 10   3/4   7/16 9  1/2
  1/2 12   3/4   7/16 9  1/2
  5/8 12   7/8   1/2 9  1/2

Types of center boltsINTRODUCTION

Types of center bolt

Our premium leaf spring center bolts and nuts are specifically engineered for use in truck and trailer chassis, delivering exceptional performance and durability. Made from high-quality materials such as 45# steel or 40Cr (SAE5140), these bolts are offered in strength grades 8.8 and 10.9, adhering to industry standards for reliability and stability. The hardness levels range from HRC23-34 for Grade 8.8 and HRC33-38 for Grade 10.9, making them suitable for high-stress environments typical in commercial vehicle applications.

To enhance their lifespan and resistance to corrosion, we provide various surface finishes, including phosphating, zinc plating, and Dacromet. Customers can choose from a selection of colors, including black, grey, silver, and yellow. Each bolt is meticulously designed to ensure a perfect fit and secure attachment within leaf spring systems, contributing to improved vehicle safety and stability.

We offer an extensive range of sizes and specifications to meet the diverse needs of different vehicle models and chassis configurations. Furthermore, our OEM and ODM services enable us to customize bolts based on client specifications and technical drawings, providing tailored solutions for specific applications. With rigorous quality control measures in place, our center bolts are an excellent choice for dependable and robust leaf spring assemblies in commercial vehicles.

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Hardness TestMetallography MicroscopeSalt Spray TestTensile Test

Package drawingPackage

center bolt packingcneter bolt packingLoading

Equipment drawingEquipment

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