This is a replacement Hex Nut for Trailer Spring Bolts that are 9/16" in diameter. Many Trailer Spring Bolts are 9/16" diameter, but 1/2" bolts are also common to see, so it's best to double check which size your trailer uses.
The thread size of this Hex nut is 9/16" - 18, which is common for most 9/16" trailer hardware. The Hex Nut for your TRailer Leaf Spring Bolt is made of steel with no finish.
- 9/16" - 18 thread
- Hex Nut