Dorman 433-016BX Hex Lock Nut with Nylon Insert Class Height - M16-1.50 8 16mm

The Dorman 433-016BX is a Class 8 Hex Lock Nut with Nylon Insert Ring, designed for secure, vibration-resistant fastening in demanding automotive and powersports applications. Featuring an M16-1.50 thread size and a 16mm height, this nut meets the specifications required for high-torque and high-stress assemblies.

The integrated nylon ring creates a locking mechanism that prevents loosening caused by vibration, thermal cycling, and dynamic loads—making it ideal for critical fastener joints where maintaining clamp load is essential. Class 8 construction ensures superior tensile strength compared to standard grade fasteners.

Key Features:

• Thread Size: M16 x 1.50 (fine pitch)
• Height: 16mm
• Grade/Class: Class 8 — high-strength metric fastener
• Locking Type: Nylon insert ring (prevailing torque)
• Style: Hex (6-point)
• Drive Type: Standard hex wrench/socket compatible
• Nylon ring prevents back-out due to vibration without damaging mating threads
• Reusable design maintains locking effectiveness across multiple installations
• Dorman OE Fix quality — engineered to meet or exceed original equipment standards

The Dorman 433-016BX is a reliable, cost-effective solution for replacement or repair applications requiring a metric fine-thread lock nut. Sold as a boxed set; confirm quantity per box with your supplier or Dorman's product page.