Best Plastic Threaded Inserts in 2026

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.

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.

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.

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.

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.

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.

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.

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.

This kit contains 40-Piece of 1/4-20 Threaded Inserts - 3/5" Length, 20 Piece of 1/4-20 tee nuts - 2/5" length, 30-Piece of 1/4-20 Bolts - 1" length, 10-Piece of 1/4-20 Bolts 1-1/4" length, 40-Piece of 1/4-20 washers.

1/4-20 threaded inserts and t nuts are made of Carbon Steel ,zinc plated. 1/4-20 bolts and washers are made of stainless steel, they feature corrosion-resistance and rust-resistance.

Drilling Size for threaded inserts: ~soft wood - 23/64", if small, use 3/8", ~ hard wood - 3/8", if small, use 25/64".

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

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

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.

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

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

THREADED INSERTS FOR WOOD – E-Z LOK Thread Inserts for soft wood are ideal for applications where stripping or thread erosion is possible; Perfect for ready to assemble furniture, drawer pulls, display cases, crating.

PROVIDE TURDY MACHINE THREADS – E-Z Hex drive thread inserts provide sturdy machine threads in soft woods; They feature broad external threads that provide exceptional holding power.

FLUSH AND FLANGED DESIGNS – Zinc threaded inserts available in hex-flush threaded inserts and hex flanged threaded inserts design with internal threads from 8-32 to 3/8 and M6 to M10.

THREADED INSERT INSTALL TOOL – E-Z LOK Threaded Insert Drive Tool speeds up the installation of threaded inserts without engaging internal threads.

SPEEDS UP INSTALLATION – Quickly insert threaded inserts for metal and knife thread inserts for hard wood with this optional threaded insert installation tool without time-consuming thread engagement.

FITS STANDARD POWER DRILLS – A standard shaft allows for the use of this threaded insert drill tool with standard power drills and drill presses.

THREADED INSERT INSTALL TOOL – E-Z LOK Threaded Insert Drive Tool speeds up the installation of threaded inserts without engaging internal threads.

SPEEDS UP INSTALLATION – Quickly insert threaded inserts for metal and knife thread inserts for hard wood with this optional threaded insert installation tool without time-consuming thread engagement.

FITS STANDARD POWER DRILLS – A standard shaft allows for the use of this threaded insert drill tool with standard power drills and drill presses.

THREADED INSERT INSTALL TOOL – E-Z LOK Threaded Insert Drive Tool speeds up the installation of threaded inserts without engaging internal threads.

SPEEDS UP INSTALLATION – Quickly insert threaded inserts for metal and knife thread inserts for hard wood with this optional threaded insert installation tool without time-consuming thread engagement.

FITS STANDARD POWER DRILLS – A standard shaft allows for the use of this threaded insert drill tool with standard power drills and drill presses.

THREADED INSERT INSTALL TOOL – E-Z LOK Threaded Insert Drive Tool speeds up the installation of threaded inserts without engaging internal threads.

SPEEDS UP INSTALLATION – Quickly insert threaded inserts for metal and knife thread inserts for hard wood with this optional threaded insert installation tool without time-consuming thread engagement.

FITS STANDARD POWER DRILLS – A standard shaft allows for the use of this threaded insert drill tool with standard power drills and drill presses.

【Detailed Dimensions】1/4"-20 x 10mm/15mm/20mm/25mm, 4 sizes commonly used threaded inserts in a plastic case, different sizes can satisfy your different needs. Internal thread insert type: 1/4"-20, thread type: 20 threads per inch, coarse thread, fit standard 1/4 20 screws bolts perfectly.

【Color Zinc Plated Steel】Made of high quality carbon steel, color zinc plated on the surface which have good corrosion resistance in bad environment like high temperature, high hardness and perfect wear resistance, standard internal hex socket, without burr, smooth, non-slip, which can ensure long time using.

【Easy To Install】You can drill a hole by using a 3/8" drill bit, ensure a precise 90 degree angle for inserting the threaded inserts, then you need to screw the inserts into the 3/8" holes by using our hex wrench. Make sure you countersink the hole to head size before you insert the threaded sleeve, fit standard 1/4 20 screws bolts perfectly.

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.

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

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.

T-NUTS ARE A PRESS-IN TYPE OF THREADED INSERT - EASLY INSTALLED WITH A HAMMER.

USED WITH SOFT MATERIALS SUCH AS WOOD OR PLASTIC.

HAS SHARP PRONGS UNDER THE FLANGE THAT DIG INTO THE MATERIAL LIKE A NAIL.

★ If you want to learn more about the size corresponding to each specification, you can check our size chart.

★ Size description: M6x8: thread inner diameter (d) 6mm, cylinder length (L) 8mm.

★ The cylinder nuts are made of 304 stainless steel , which have good corrosion resistant, strong and durable. The thread is neat and clear, the force is even, and it is not easy to slip.

SELF TAPPING --- Due to self-tapping ability of the threaded inserts, the base material does not have to be tapped in advance.

GOOD HOLDING POWER --- Threaded insert has a large contact area with the finished product, strong pull resistance. Strong resistance to vibration, which can prevent loosening.

SUITABLE FOR --- Thread Inserts are applicable for hard wood. Perfect for furniture, cabinets, displays, and more.