Shop HITACHI EX100 120-1-2-3-5 SPROCKET HOLDING BOLTS (OEM HI 4272305) | Tonkee®

OEM Part Number (HI 4272305): This OEM part number ensures compatibility and a perfect fit for the Hitachi EX100 series excavators, including the EX100-1, EX100-2, EX100-3, and EX100-5 models.

Material: These bolts are typically made from high-strength alloy steel, which provides exceptional durability and resistance to wear and tear, even in the harshest working conditions.

Thread Size: The sprocket holding bolts feature a specific thread size and pitch, ensuring a secure and reliable connection between the sprocket and the track assembly.

Hex Head Design: The bolts typically feature a hexagonal head, which allows for easy and secure tightening using common hand tools, such as wrenches or sockets.

Length: The length of these bolts is engineered to match the thickness of the sprocket and the associated components, ensuring a snug and secure fit.

The sprocket holding bolts are a critical component in the undercarriage assembly of the Hitachi EX100 series excavators for several reasons:

Track Tension: These bolts are responsible for maintaining the appropriate tension in the tracks.

Proper track tension is essential for optimal traction, stability, and overall machine performance.

Sprocket Alignment: The sprocket holding bolts ensure that the sprocket remains aligned with the track chain. This alignment is crucial for smooth track movement and preventing premature wear on both the tracks and sprockets.

Safety: A secure and properly tensioned track is vital for operator safety. Loose or damaged sprocket holding bolts can lead to track slippage or derailment, posing serious risks on the job site.

Longevity: The high-strength materials and precision engineering of these bolts contribute to the longevity of the undercarriage components. This can result in reduced maintenance costs and increased machine uptime.

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