Red Anti-Rust Coating Axle Differential Adjustment Nut HD95129320172 Precision Internal Thread Wheel Bearing Setting Nut

Product Description

HD95129320172 adjustment nut is a key locking and preload regulating component for heavy-duty truck drive axle differential assembly. It is installed on the axle spindle to precisely control the pre-tightening clearance of wheel bearings and differential gear sets. The outer ring is designed with uniform square splines for easy disassembly and torque adjustment with special socket tools. The precise internal trapezoidal thread ensures stable axial positioning, preventing axial movement of bearings and differential housing during high-load driving. The outer surface is coated with red anti-rust primer to resist moisture and mud corrosion inside the axle housing, fully matching the original axle assembly dimensions for direct replacement during axle maintenance.

Key Product Advantages

• High-strength cast steel one-piece casting with overall tempering heat treatment, strong compression and impact resistance, no thread deformation under large torque locking.
• Evenly distributed outer square splines, perfect fit with dedicated adjustment tool, labor-saving clearance calibration without slipping during disassembly.
• Precision machined internal thread with smooth tooth surface, uniform thread pitch, stable preload adjustment to avoid bearing clearance deviation and abnormal axle noise.
• Red anti-corrosion paint coating covers the entire outer surface, effectively blocking water, gear oil and sediment erosion, extending storage and service life.
• Strict dimensional tolerance control on inner bore and overall thickness, consistent with original axle assembly standards to guarantee accurate bearing preload setting.

Product Specification Table

Product Picture