Hot sale HITACHI EXCAVATOR EX ZX200 210 220 SERIES TRACK PAD BOLT AND NUT 18 X 1.5 X 55 | Tonkee®

The track pad bolt and nut for the Hitachi EX ZX200 210 220 series excavators have specific dimensions that are crucial for maintaining the integrity of the machine's undercarriage.

These bolts are typically 18mm in diameter, have a thread pitch of 1.5mm, and are 55mm in length. The 18mm diameter ensures that they can securely hold the track pads in place, preventing any movement or detachment during heavy-duty excavation work. The 1.5mm thread pitch is designed to provide a strong and reliable connection between the bolt and nut, ensuring they stay tightly fastened under extreme loads. The 55mm length is carefully chosen to accommodate the thickness of the track pad, the connecting components, and allow for proper tightening.

Material selection is crucial for the track pad bolt and nut to withstand the harsh working conditions that excavators are exposed to. These components are typically made from high-quality steel, such as alloy steel or carbon steel, that offers exceptional strength and durability. Alloy steel, known for its resistance to wear and tear, is often the preferred choice. These materials are heat-treated to enhance their hardness and toughness, ensuring they can handle the heavy loads and abrasive environments typically encountered in construction and excavation work.

The track pad bolt and nut must also meet certain standards and specifications to ensure they are suitable for the Hitachi EX ZX200 210 220 series excavators.

They should conform to industry standards like ISO 898-1, which sets requirements for mechanical properties of fasteners, including tensile strength, yield strength, and elongation. These standards ensure that the bolts and nuts are of high quality and can perform reliably in demanding conditions.

In addition to the physical specifications and material properties, the track pad bolt and nut must also have appropriate surface treatments to enhance their corrosion resistance. A common treatment is hot-dip galvanization, which provides a protective zinc coating to prevent rust and corrosion, ensuring a longer service life for these components.

Proper installation and maintenance of the track pad bolt and nut are essential to ensure the excavator's safe and efficient operation. Regular inspection for wear and tear, and timely replacement when needed, is crucial to prevent accidents and downtime.

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