Quick Summary
The Otoolling 300-piece 3/8"-16 T-nuts set is a wood fastener kit with four-prong nuts for mounting into wood. The stated inner diameter is 3/8 inches, and the cylinder length is 7/16 inches, which are the main fit checks before buying.
The set is described as iridescent zinc and includes 300 pieces, so quantity and finish are part of the exact version to confirm.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Otoolling. Helps identify the exact product line. |
| Product type | T-nuts. These are used as threaded fasteners for wood applications. |
| Quantity | 300 pieces. Check that this count matches the project or replacement need. |
| Thread size | 3/8"-16. Match this to the fastener size required for the application. |
| Inner diameter | 3/8 inches. This is a key compatibility check. |
| Cylinder length | 7/16 inches. Compare this with the material thickness and fit needs. |
| Finish | Iridescent zinc. Finish is part of the identified version. |
| Prong style | Four-prong T-nuts. Confirm this style works for your installation method. |
What to Compare Before Buying
- Thread size: The stated size is 3/8"-16. Compare it with the bolt or hardware that will thread into the nut.
- Material thickness: The cylinder length is 7/16 inches. Check whether that length suits the wood or panel thickness.
- Quantity: This package includes 300 pieces. Compare that count with the number of holes or replacements you need.
- Prong style: These are four-prong T-nuts. Make sure that style matches the way you plan to install them.
- Finish: The iridescent zinc finish is part of the product version. Confirm that this finish is acceptable for your project.
What Else You May Need
You will need matching 3/8"-16 hardware for the threaded connection. If the T-nuts are being used in wood, confirm that the wood thickness and hole size fit the chosen hardware.
Before You Decide
Confirm the 3/8"-16 size, the 7/16-inch cylinder length, and the 300-piece count before choosing an offer. Also check that the four-prong style and iridescent zinc finish match your project needs.





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