1/4-20 wood Threaded Inserts are inserted nuts that go into a predrilled hole in the wood and have internal threads. These wood insert nuts feature threaded designs, external protrusions bite into the wood, providing superior holding power and preventing the insert nuts from either turning or pulling out in all applications. Our inserts work great with soft woods and hard woods. Threaded Insert Length: 0.591 / 15.0mm. Threaded Insert Body diameter: 0.315 / 8mm. Threads diameter: 0.410 / 10.4mm Recommended Drill Bit for Soft Wood: 8.5mm Bit, If Small, Try 9mm Bit - 9.5mm / 3/8 bit. Recommended Drill Bit for Hard Wood: 9.5mm / 3/8 Bit, If Small, Try 10mm Bit. Drilling Advice is Guidance only, as best practice varies between your applications, please choose the proper drill bit according to the hardness of your wood material.
Shipping & Delivery Information
Our Shipping Promise
At Slickpurchase, we understand how important your purchases are. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
- Processing Time: Orders are processed within 3-6 business days
- Domestic Delivery: Typically 6-10 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Slickpurchase currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Slickpurchase packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page.
For any questions about shipping or delivery, please contact our customer service team at support@slickpurchase.com.














