Description
When you need a bolt that threads on smooth and holds tight, UNF (Unified Fine Thread) bolts are your go-to choice for precision connections. This 3/8-inch bolt might look small, but its fine thread pitch gives you more contact area and a stronger grip than standard coarse threads—perfect for those spots where vibration tries to work things loose.
What You’re Getting
- Fine thread design provides superior holding power and resistance to vibration loosening
- Zinc yellow plating offers excellent corrosion protection in agricultural environments
- 2-inch length handles medium-duty applications where you need to bolt through thicker materials
- Precision-cut threads ensure smooth installation and removal
Built for Real Farm Work
This bolt size is ideal for general purpose applications across all types of farm equipment. You’ll find 3/8-inch UNF bolts holding together everything from implement brackets to hydraulic fittings and accessory mounts. The fine thread pattern makes it especially useful in machinery applications where precision and vibration resistance matter.
Made to Last
The zinc yellow plating system provides superior corrosion resistance compared to standard zinc plating, extending service life in agricultural environments where exposure to fertilizers, moisture, and chemicals is common. This coating helps the bolt stand up to the harsh conditions your equipment faces season after season.
Good to Know
UNF threads are finer than standard bolts, so they take a few more turns to install but give you a much more secure connection. Always use the right size wrench to avoid stripping the head, and consider a drop of thread locker on critical connections that see a lot of vibration.
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