Best E Z Lok Nut Inserts in 2026

RUTHEX SOLDERING TIPS FOR RUTHEX THREAD INSERTS: The ruthex soldering tips make it even easier to retrofit thread inserts into 3D printed parts of 3D printers from e.g. Anycubic or Prusa.

PRACTICAL CHANGE SYSTEM: Due to the thread in the soldering iron adapter, the soldering tips can be changed very easily WITHOUT completely unscrewing the soldering iron.

INSERTION HELP COMPATIBLE for soldering iron heads 900M and T18 for example for soldering stations SREMTCH, Hakko, LONOVO, RHAEGON, WaxRhyed and other brands. Dimensions of the soldering iron adapter can be taken from the drawing.

1/4-20 threaded insert x 15mm length, 6mm allen wrench included, best 1/4"-20 threaded insert wood insert furniture screw in nut connector screws.

Insert head ⌀: 0.461" / 11.7mm, body ⌀: 0.315" / 8mm, threads ⌀: 0.410" / 10.4mm.

Threaded inserts are easy to install, simply drill the right size hole and Install with hex key provided.

40pieces Pack of Furniture Screws Threaded Inserts for Wood Furniture.

Size: Internal Thread Insert Type: 1/4"-20, External Diameter: 10.5mm, Total Length: 15mm. (1/4"-20x15mm)

Material: High quality carbon steel with high hardness. These furniture screws are wear-resistant and very durable to use. Standard internal hex socket type without burr and non-slip design.

✅【BRASS MATERIAL】These female thread brass knurled threaded insert embedment nuts are made of durable brass. High strength without deformation, abrasion and corrosion resistance and with beautiful and practical

✅【VARIOUS SIZES TO CHOOSE】We prepare various sizes for your choice to meet all your needs. Assortment kit or one specific size, we have it all. Smooth surface with no burr, standard circular, firm and uniform, easy to install.

✅【STRANDARD AND COMPLETE THREAD】Deep thread, neat and clean, not easy to strip during rotation, stable and reliable. No need to counterbore or countersink the boss hole because the insert has guide pilot.

THREADED INSERTS FOR WOOD – E-Z LOK Thread Inserts for hard-wood are ideal for applications where stripping or thread erosion is possible. Perfect for furniture, cabinets, displays, and more.

PROPRIETARY KNIFE THREAD – E-Z Knife thread inserts provide superior holding power using a proprietary external “knife” thread to slice into the wood.

BRASS OR STEEL OPTIONS – Brass threaded inserts or stainless steel threaded inserts available. Stainless steel is recommended for particularly hard wood and anywhere corrosion resistance is needed.

✅【Well MADE AND QUALITY】These female thread brass knurled threaded insert embedment nuts are made of durable brass. High strength without deformation, abrasion and corrosion resistance and with beautiful and practical

✅【EXCELLENT WORKMANSHIP】Smooth surface with no burr, standard circular, firm and uniform, easy to install. We meet all your needs. Assortment kit or one specific size, we have it all.

✅【STRANDARD AND COMPLETE THREAD】Deep thread, neat and clean, not easy to strip during rotation, stable and reliable. Convenient operation, good texture, greatly improve your work efficiency

1/4-20 threaded inserts for woodworking applications, 15mm length, hex drive Allen key included.

Threaded inserts are easy to install, simply drill the appropriately sized hole and Install the inserts with the hex key provided or other optional drive tools you have.

1/4-20 threaded inserts are the ideal solution for softwood, hardwood, plywood, MDF, and composition board.

Size: Insert head diameter: 0.445" (11.3mm), body diameter: 0.315"(8mm), threads diameter: 0.410"(10.4mm),1/4-20 threaded insert length: 0.591"(15mm); Allen Wrench: 1/4"(6mm).

Material: High quality carbon steel with high hardness, can keep a long-lasting hold.

Application: These furniture screws are suitable for wood furniture, hardwood or solid wood, such as furniture combinations(Threaded inserts are used to drill the right size hole and Install with hex key provided, and screw in nut connector screws).

Provides a Strong Machine Thread In Soft Woods

Ideal For Use in Pine, Plywood, Composition Board, and MDF

Designed For Use In Applications Such As Ready-To-Assemble Furniture, Drawer Pulls, Display Case, and Shipping Crates

40Pcs of Stainless Steel 1/4”-20 Rivet Nuts Threaded Insert. Flat head with knurled round body. Strong and corrosion resistant.

Thread pitch: 1/4”-20 (1/4” is the inner thread diameter. 20 means there are 20 threads in per inch).

Grip Range:0.5-3mm/0.019”-0.118”; Body Diameter: 8.9mm / 0.350".

【🌂】 Package: 120pcs M3 Knurled Nuts Inserts;

【🌂】- Product name: M3 Threaded Laptop 3D Printer Inserts Nuts;

【🌂】Thread: M3; - Color: Bronze Tone; - Material: Brass;

THREADED INSERTS FOR WOOD – E-Z LOK Thread Inserts for hard-wood are ideal for applications where stripping or thread erosion is possible. Perfect for furniture, cabinets, displays, and more.

PROPRIETARY KNIFE THREAD – E-Z Knife thread inserts provide superior holding power using a proprietary external “knife” thread to slice into the wood.

BRASS OR STEEL OPTIONS – Brass threaded inserts or stainless steel threaded inserts available. Stainless steel is recommended for particularly hard wood and anywhere corrosion resistance is needed.

Provides a Strong Machine Thread In Soft Woods

Ideal For Use in Pine, Plywood, Composition Board, and MDF

Designed For Use In Applications Such As Ready-To-Assemble Furniture, Drawer Pulls, Display Case, and Shipping Crates

➤[15 Size] Brass thread inserts kit includes 15 assorted of size that contains M2x4x3.5mm, M2x6x3.5mm, M2x8x3.5mm, M2x10x3.5mm, M3x4x5mm, M3x6x5mm, M3x8x5 mm, M3x10x5mm, M4x4x6mm, M4x6x6mm, M4x8x6mm, M4x10x6mm, M5x6x7mm, M5x8x7mm, M5x10x7mm.

➤[High Quality Material] These female thread brass knurled threaded insert embedment nuts are made of durable brass with high hardness and wear resistance, oxidation resistance, strong corrosion resistance and long service life.

➤[Excellent Workmanship] The embedment nut has a high-precision thread that is compatible with the corresponding screw and the insert has a guide so there is no need for a counterbore or countersink. Smooth surface with no burr, standard circular, firm and uniform, easy to install.

Type of Product: Brass Threaded Insert Embedded Nuts Assortment Kit.

Product Material: Made of premium brass, which has high hardness, no deformation, durable and reliable for long time use.

Package Detail: In this set, it include 10 kinds of m2, m2.5, m3 knurl thread inserts nuts total 500pcs which are well packed in a plastic box.

Good quality materials:Metric thread,made of high quality zinc alloy, hardness of high resistance to rust, wear and corrosion-resistant environmental protection and aesthetic characteristics

Package include: 12 sizes include M4*10, M5*10,M6*8, M6*10,M6*12, M6*15, M6*18, M6*20, M6*25,M8*15 M8*20, M10*25, total 265 pieces in a transparent box with can meet your different needs

Usage and install: pre-drill a proper hole, screw in with internal hex tool; Unique self-tapping designed external thread, contribute to tapping, with good tensile resistance, install with hex key, tapered external threads makes it not easy to pull out caused by vibration

MULTI-MATERIAL APPLICATIONS: Will not distort or deform soft plastics or thin sheet metal

COARSE THREAD: Matches #10-24 machine screws

EASY INSTALLATION: Can be set with manual or pneumatic tools (not included)

Good Performance: these M3 brass nuts can be widely used in 3D printing injection molding to achieve tight fixation. Heat set Inserts can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection. Just using tools such as a soldering iron or screws, you could easily set brass embedment screws into 3D printed holes.

Premium craftsmanship: the M3 brass nuts are manufactured with high-quality craftsmanship to ensure that all nuts have uniform and fixed standard round and twill thread knurl. The diameter of the front end of the nut is slightly smaller, so that you can easily align the nut in the reserved 3D printing hole. Compared with the ordinary straight-grain knurl, the twill thread knurlhas better pull-out and torque resistance, so that it will not shake and is easy to fix.

Durable material: all nuts are made of high-quality brass, which can prevent rust and oxidation, high temperature resistance, corrosion resistance, not easy to deform and have good thermal conductivity, which makes the nuts can be heated quickly and easily inserted so as to greatly shorten your work time.

【Various Sizes to choose from】This is a 170ps assortment kit which include M2*3*3—20PCS,M2*4*3.2—PCS,M2.5*3*3.5—20PCS,M2.5*6*4—20PCS,M3*3*4.2—20PCS,M3*4*4.5—20PCS,M3*5*4.5—20PCS,M3*5.7*4.6—30PCS,total 8 sizes of M2 and M3 to meet most of your needs.

【Designed for 3D printing parts and other plastic parts】 These inserts are widely used in 3D printing and other plastic parts such as PLA,PETG,ABS,PPS,PP etc., they can firmly secure two different parts together and make it look professional.

【Made of H62 Hard Brass】These heat set inserts are made of H62 High quality material, hard ,durable and corrosion-resisted at the same time ensures good thermal conductivity.

★ 【Sizes】Brass thread inserts kit includes 4 assorted of size that contains M2，M2.5，M3,M4.Come with a plastic box, each size be placed in a single grid, no mess and easy to find.

★ 【Material】Made of high quality environmentally friendly brass material, high strength and hardness, strong tolerance, the force is evenly tightened, you can use it for a long time.

★ 【Excellent Workmanship】 The embedment nut has a high-precision thread that is compatible with the corresponding screw and the insert has a guide so there is no need for a counterbore or countersink. Smooth surface with no burr, standard circular, firm and uniform, easy to install.

【Size list】M2*4*3.5 – 30Pcs, M2*6*3.5 – 30Pcs, M2*8*3.5 – 30Pcs, M2*10*3.5 – 20Pcs, M3*4*5 – 30Pcs, M3*6*5 – 30Pcs, M3*8*5 – 20Pcs, M3*10*5 – 20Pcs, M4*4*6 – 30Pcs, M4*6*6 – 20Pcs, M4*8*6 – 20Pcs, M4*10*6 – 15Pcs, M5*6*7 – 15Pcs, M5*8*7 – 10Pcs, M5*10*7 – 10Pcs.

【High quality material】Our products are made of high-quality brass, which is more beautiful and durable than iron materials.

【Assortment boxed】This product is classified and packaged in high-quality PP boxes, which is easy to store and classify.

【Designed for Injection Molding】: With deep & clear knurls, the threaded inserts will add enough strength to screw connections when inserted into plastic components. The softened plastic will flow into the knurl pattern and then harden to form a firm bond with the insert.

【High-quality Material】: Made of premium brass material, our threaded insert for plastic has both aesthetics and high strength, which can be used for a long time. And the high thermal conductivity of brass thread inserts means faster heating and insertion into plastic parts.

【How to Use】: Female thread knurled insert nuts are suitable for mounting into tapered holes by heating or for molding during injection molding. You can use a soldering iron to heat it up and then pressing it into the hole. It is easy to control and at a low cost.

Rich Size Options - This Threaded Inserts Assortment Kit is available in a wide range of sizes, including 1/4-20*10mm, 1/4-20*15mm, 1/4-20*20mm, and 1/4-20*25mm. All sizes are neatly organized in a clear organizer box, allowing you to quickly locate the one you need.

Superior Quality for Outstanding performance - This Nut Inserts Assortment Set is constructed entirely of new, high-grade carbon steel with exceptional hardness and many layers of zinc coating for enhanced rust resistance, providing a longer service life and a more dependable installation.

Clearly assorted for easy access - The Threaded Inserts Assortment set comes in a well-built transparent storage box, which allows you to place all sizes of Threaded Inserts in a well organized war and so that you can get what you need at a glance, saving you a lot of time rummaging through drawers finding a match for your project.

THREADED INSERTS FOR PLASTIC – E-Z Sonic ultrasonic thread inserts for plastic are designed for post-molding installation in thermoplastic materials.

EASY INSTALLATION – Install these metal threaded inserts ultrasonically or with a heat driver. The tapered design simplifies installation.

FOR USE WITH APPLICATIONS – The threaded inserts for plastic are designed for putting standard machine threads in 3D printed and thermoplastic parts.

EASY TO INSTALL: These self-tapping thread inserts has self-tapping ability, does not need to be pre-tapped, can be directly used by the installation tool to screw it into a specific hole.

SAFE: Threaded Insert has the ability of strong vibration resistance, which can prevent loose.Can be used in many different places.

HELP TO MAINTENANCE: A damaged screw hole can be used as normal after installed a thread insert.

1,Packaging includes ------- In this kit, You will get You want Female Thread Knurled Nuts in sufficient quantity for your use, Easy to install: From the moment that the insert has a valve conduit, there is no need to back-drill and counter-sink the hole.

2, Various Sizes ------- In this kit, We have prepared M2 M3 M4 M5 M6 Female Thread Knurled Nuts for You, different sizes and quantity can meet your different meets. You can Free choose the products you need according to your needs. Special thread design make it easier to operate.

3, Widely used ------- Threaded insert nuts are widely used in injection molding, for fastening, can be installed in the cone hole by ultrasonic or heat, or in the injection process. Since the insert has a conduction valve, there is no need to back-drill and counter-sink the hole.

1.☛[15 Assorted Sizes] --- This set contains 300 pieces select thread inserts in 15 different sizes(Thread Size x Height x Outer Dia.): M2x3x3.5,M2x4x3.5,M2x6x3.5,M2x8x3.5,M3x6x5,M3x8x5,M3x10x5,M4x6x6,M4x8x6,M4x10x6,M5x6x7,M5x8x7,M5x10x7,M6x10x7,M6x12x7. Comes with sturdy case for convenient storage.

2.☛[Quality Brass Material] --- With excellent conduction of heat, heat tolerance, rust and corrosion resistance, wear resistance. These brass threaded inserts for plastic are strong enough to provide easy insertion and long service life.

3.☛[Exquisite Workmanship] --- These brass inserts are made in strict accordance with standard. The nice, threaded thru hole are clean without burr, accurate, uniform, not easy to deform, offering secure and durable performance.

LARGE QUANTITY SUPPLY: We offer a large supply of 60 inserts to meet your project needs, whether you're manufacturing furniture, creating art, or building wooden boats.

EASY INSTALLATION: These threaded inserts are very easy to install, requiring only drilling a suitable sized hole and installing with the included hex key. In soft wood, the external threads cut easily into the wood with just a properly sized hole. In hard wood, you need to drill a hole close to the outside threads diameter.

STRONG AND DURABLE: These inserts are made of high-quality materials and provide strong threaded connections to ensure that your projects are strong and durable. They are also designed to adapt to various hardness and types of wood.

Size M2.5 insert,Total 70pcs The insert Overall Length=5.8mm,OD4.6mm

<b>Designed for 3D printing parts and other plastic parts<b> These inserts are widely used in 3D printing and other plastic parts such as PLA,PETG,ABS,PPS,PP etc., they can firmly secure two different parts together and make it look professional.

<b>Made of Quality Brass<b> These heat set inserts are made of High quality brass, hard ,durable and corrosion-resisted at the same time ensures good thermal conductivity.

√ Quantity: VIGRUE this nuts kit includes 340pcs of M2 M2.5 M3 M4 M5 M6 Thread Knurled Nuts, and it includes 12 various common sizes knurled nuts, sufficient for daily application.

√ Great Performance: Thanks to the outside oblique threads, it holds firmly in the pressure part and ensuring a high balanced tightening, once heated plastic around the brass sleeve nuts cools and hardens, the threaded nuts are firmly anchored

√ Organized Box: The nuts come in a portable clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently.