Dorman 433-112BX Hex Lock Nut with Nylon Insert Class Height - M12-1.50 8 12mm

The Dorman 433-112BX is a Class 8 Hex Lock Nut with Nylon Insert Ring, designed for secure, vibration-resistant fastening in automotive and general mechanical applications. With a M12-1.50 metric thread size and a 12mm height, these nuts meet precise thread tolerance standards for reliable performance.

The integrated nylon locking ring creates friction against the bolt threads, preventing loosening due to vibration, torque, or thermal cycling—without the need for additional thread-locking compounds.

Key Features:

• Thread Size: M12-1.50 (Metric, fine pitch)
• Nut Height: 12mm
• Strength Class: Class 8 — high-strength steel construction
• Material: Steel
• Locking Mechanism: Nylon insert ring for vibration-resistant locking
• Corrosion Resistance: Salt spray tested to ensure long-term durability
• Warranty: Limited Lifetime Warranty
• UPC: 889245438164

Engineered to specific thread tolerance standards, these Dorman hex lock nuts are ideal for underhood, undercar, and chassis fastening tasks where secure, dependable hardware is critical.