E-Z LOK
0 ratings
E-Z Lok 400-4-CR 400-4 Threaded Insert, Stainless Steel, 0.500 L, Knife Thread, 1/4-20 Internal Threads, 0.625, 18-8 Stainless Steel (Pack of 10)
genuine image
E-Z Lok 400-4-CR 400-4 Threaded Insert, Stainless Steel, 0.500 L, Knife Thread, 1/4-20 Internal Threads, 0.625, 18-8 Stainless Steel (Pack of 10)
E-Z Knife thread inserts provide superior holding power using a proprietary external “knife” thread to slice into the wood.
E-Z Lok 400-4-CR 400-4 Threaded Insert, Stainless Steel, 0.500" L, Knife Thread, 1/4"-20 Internal Threads, 0.625", 18-8 Stainless Steel (Pack of 10)
Item #: 29949287

E-Z Lok 400-4-CR 400-4 Threaded Insert, Stainless Steel, 0.500" L, Knife Thread, 1/4"-20 Internal Threads, 0.625", 18-8 Stainless Steel (Pack of 10)

Item #: 29949287

€ 43

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Wednesday, August 26
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
E-Z Knife thread inserts provide superior holding power using a proprietary external “knife” thread to slice into the wood.
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Durable Material
Constructed from stainless steel, these inserts resist corrosion and wear, ensuring a long-lasting solution for threaded connections in hardwood applications.
Easy Installation
Designed for straightforward insertion into wood, these E-Z LOK inserts simplify threading, providing users with a quick and effective way to reinforce soft materials.
Versatile Size
The 3/8-16 size is compatible with a variety of applications, making these inserts ideal for numerous woodworking projects that require sturdy, reliable thread reinforcement.

Product Details

Shop the best selection of E-Z LOK Knife Threaded Inserts on Ubuy Ireland. Wide range of stainless steel thread inserts with 14-20 internal threads. Pack of 10, 0.625 length. Visit now!

Who Should Buy?

Suitable For
  • Woodworkers

    Ideal for woodworkers needing strong, durable threaded inserts to reinforce joints in hardwood projects.

  • Furniture Makers

    Perfect for furniture makers looking for reliable threaded inserts for assembling and disassembling furniture.

  • DIY Enthusiasts

    Great for DIY enthusiasts who want to create custom projects that require high-strength threaded connections.

Not Suitable For
  • Metal Fabricators

    Not suitable for metal applications where different types of threaded inserts and materials are required.

Product Description

E-Z Lok 400-4-CR 400-4 Threaded Insert, Stainless Steel, 0.500" L, Knife Thread, 1/4"-20 Internal Threads, 0.625", 18-8 Stainless Steel (Pack of 10)

Have any Query? Chat with us

Product Buying Guide

The E-Z LOK Knife Threaded Insert for Hard-Wood is designed to provide a reliable solution for applications in hard-wood where thread stripping or erosion may occur, offering superior holding power through its proprietary knife thread design. With options for brass or stainless steel threaded inserts, this product is ideal for use in furniture, cabinets, displays, and more, especially in hard woods such as oak, cherry, and maple.

Key Features

  • Features a proprietary external 'knife' thread for superior holding power in hard woods.
  • Available in brass or stainless steel for varying wood hardness and corrosion resistance needs.
  • Can be installed using a screwdriver, bolt/jam nut, or an optional E-Z LOK drive tool.

Usage Scenarios

  • Ideal for creating strong threaded connections in wooden furniture.
  • Perfect for use in cabinets where reliable thread strength is essential.
  • Suitable for secure installations in wooden displays and fixtures.

Usage Scenarios

  • Threaded Insert X - Offers similar threaded insert solutions for hard-wood applications.
  • Threaded Insert Y - Another alternative for creating strong threads in hard woods.

Some User Review

  • Users found the installation to be straightforward, requiring minimal effort.
  • Many users reported that the inserts provided a strong and secure grip in hard woods.
  • Customers appreciated the option to choose between brass and stainless steel inserts based on their needs.

Competitors

  • The price range is competitive compared to similar products in the market, offering good value for the quality and quantity provided.

Buying Considerations

  • Consider the type of hard wood you are working with to choose between brass or stainless steel inserts.
  • Determine the required quantity of inserts based on your specific project needs.
  • Ensure you have the necessary installation tools such as a screwdriver, bolt/jam nut, or the optional E-Z LOK drive tool.

Conclusion

The E-Z LOK Knife Threaded Insert for Hard-Wood offers a reliable, easy-to-use solution for creating strong threads in hard woods, with the option to choose between brass and stainless steel inserts based on specific project requirements. Customers have praised its performance, making it a competitive choice in the market.

View Less

The E-Z LOK Knife Threaded Insert for Hard-Wood is designed to provide a reliable solution for applications in hard-wood where thread stripping or erosion may occur, offering superior holding power through its proprietary knife thread design. With options for brass or stainless steel threaded inserts, this product is ideal for use in furniture, cabinets, displays, and more, especially in hard woods such as oak, cherry, and maple. Continue Reading

Customer Questions & Answers

  • Question: What are E-Z LOK Knife Threaded Inserts used for?

    Answer: E-Z LOK Knife Threaded Inserts are primarily designed for use in hardwood applications, providing a strong and reliable connection for threaded fasteners. These inserts allow you to create durable threaded holes in materials like wood, which can wear down over time. They’re perfect for reinforcing joints in furniture assembly, cabinetry, and other woodworking projects where a secure hold is essential.
  • Question: What materials are E-Z LOK Knife Threaded Inserts made from?

    Answer: These threaded inserts are crafted from high-quality stainless steel, which offers superior durability and resistance to corrosion. This makes them ideal for both indoor and outdoor applications, ensuring long-lasting performance even in challenging conditions. The stainless steel construction also helps maintain the integrity of the insert, preventing it from stripping over time.
  • Question: What size are the internal threads of E-Z LOK Knife Threaded Inserts?

    Answer: E-Z LOK Knife Threaded Inserts feature 14-20 internal threads, which are a standard size for many common fasteners. This means you can easily find compatible screws and bolts that will fit snugly into these inserts, providing a secure hold for various applications. Whether you’re working on furniture or other DIY projects, this size is versatile and commonly used.
  • Question: How are E-Z LOK Knife Threaded Inserts installed?

    Answer: Installing E-Z LOK Knife Threaded Inserts is a straightforward process. You begin by drilling a hole into the hardwood to the specified depth, then use an installation tool or a tap to insert the threaded insert into the drilled hole. Once securely in place, you can easily insert your screws or fasteners as needed. This method provides a robust connection that can withstand repeated use.
  • Question: Can E-Z LOK Knife Threaded Inserts be reused?

    Answer: E-Z LOK Knife Threaded Inserts can generally be reused as long as they have not been damaged or stripped during their use. If removed carefully, the inserts can often be cleaned and reinserted, making them a cost-effective solution in woodworking projects where adjustments may be needed. Always ensure the original hole and the insert are in good condition for best results.
  • Question: Are E-Z LOK Knife Threaded Inserts suitable for other materials besides hardwood?

    Answer: While E-Z LOK Knife Threaded Inserts are particularly designed for hardwood, they can also be used in various other materials, including softwoods and some composites. However, the holding power may vary depending on the material density. For optimal performance, consider the specific application and material type where the insert will be used.
  • Question: What advantages do E-Z LOK Knife Threaded Inserts offer over conventional screws?

    Answer: E-Z LOK Knife Threaded Inserts provide several advantages over conventional screws, including enhanced durability, resistance to stripping, and the ability to accommodate repeated insertions and removals without damaging the wood. This makes them ideal for applications where frequent disassembly might be necessary, such as in modular furniture or equipment assembly.
  • Question: How many E-Z LOK Knife Threaded Inserts come in a pack?

    Answer: Each pack of E-Z LOK Knife Threaded Inserts typically contains 10 individual inserts. This quantity is sufficient for various projects, enabling you to reinforce multiple joints or repair threaded connections in one go. The pack size is designed to provide flexibility for both small and medium woodworking tasks.
  • Question: Where can I buy E-Z LOK Knife Threaded Inserts in Ireland?

    Answer: You can buy E-Z LOK Knife Threaded Inserts for Hard-Wood from Ubuy in Ireland. Ubuy offers a reliable online shopping experience with a variety of options, ensuring you can easily find the inserts you need for your project.
  • Question: Do E-Z LOK Knife Threaded Inserts require special tools for installation?

    Answer: While you can install E-Z LOK Knife Threaded Inserts with common woodworking tools, a dedicated installation tool can make the process more straightforward and efficient. Tools such as taps or a dedicated insert installation tool help ensure the insert is installed flush and secure in the material, which is crucial for maintaining strength and stability during use.

E-Z LOK Externally Threaded Inserts Editorial Review

The E-Z LOK Knife Threaded Insert is a high-quality threaded insert that is perfect for use in hardwood. It is made of stainless steel and has straight, non-tapered threads. While it may not be suitable for use in cured fiberglass, it has been successfully used with epoxy in other applications. The inserts are 303 grade stainless steel and come in a pack of 10. Overall, customers have had mixed experiences with these inserts, with some finding them difficult to install correctly and others having issues with them breaking.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Made of high-quality stainless steel
  • Straight, non-tapered threads
  • Suitable for use in hardwood

Cons

  • Difficult to install correctly

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 43

Order now and get it around Wednesday, August 26

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Threaded inserts for hard-wood
  • Ideal for furniture, cabinets, displays, and more
  • Brass or stainless steel options available
  • Recommended for hard woods and corrosion resistance
  • Easy installation with screwdriver or drive tool

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.