Castle Nuts & Slotted Nuts Pricing
Current market statistics for castle and slotted nuts based on 1,108 listings.
What you'll usually pay
💡 Buying used saves about 36% here.
👉 In short easy summary
The best value is found in brass (-32%) and stainless steel (-21%) options. High-end specialty listings from AlbanyCountyFasteners.com command a significant premium at +251% over the median.
💚 Best value for your money
Price by brand
Why? Prices vary from uxcell at 18.07 to AlbanyCountyFasteners.com at 77.12.
Price by material
Why? Steel is the most expensive at 25.99, while brass is the most affordable at 14.99.
🛒 Some on sale right now
Common questions
What is the typical price for a new castle nut?
The median price for new items is 23.38.
Which material is the most cost-effective?
Brass is the cheapest material option with a median price of 14.99.
How do used castle nuts compare in price to the market median?
Used nuts have a median price of 15, which is lower than the overall market median of 21.99.
How we got these numbers
Worked out from 200 live eBay listings (price range $10–$197, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 2, 2026.