Spartan Mowers Nut-HF 32128-37

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NUT-HF [.438-14,GR2,YZ,WHIZ LOCK] This is a high-performance hex flange lock nut designed for secure fastening in demanding applications. It features: Thread Size: .438-14 (7/16-14 UNC) Material Grade: Grade 2 – Low carbon steel, providing adequate strength for general-purpose use. Finish: YZ (Yellow Zinc Plated) – Offers moderate corrosion resistance and a distinctive gold appearance. Locking Feature: WHIZ LOCK – Integrated serrations under the flange for vibration-resistant, self-locking capability without the need for additional washers. This nut is ideal for automotive, industrial, and machinery applications where vibration resistance and reliable fastening are critical. Show more