Product Overview

Engineered for high-stress applications, these 3-1/2" x 15" bolts feature a Unified National Fine (UNF) thread pattern for superior vibration resistance and precision tensioning. With an R11 rating, this hardware is designed to meet rigorous industrial standards, ensuring maximum durability and load-bearing capacity.

Key Features

Precision Threading: UNF (Fine) threads provide more contact area and better locking strength compared to coarse alternatives.

High Durability: Rated at R11 for enhanced tensile strength and fatigue resistance.

Specialized Coating: Features the UR07TAK finish for improved corrosion protection and consistent torque performance.

Bulk Value: Sold in a convenient 50-piece industrial pack, perfect for large-scale projects or inventory replenishment.