Updated: 16 Feb 2025

metal inserts

Explore up to 12% Off

Updated: 16 Feb 2025

#1

Best Choice
HARDELL Rivet Nuts Tool, 14" Hand Rivet Tool Kits with 100Pcs Rivet Nuts and 7 Metric & Inch Mandrels M6 M8 M10, 1/4-20, 5/16-18, 3/8-16, 10-24 and Rugged Carrying Case

9.7

HARDELL

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Why we love it

Handy carrying case included

Comes with 7 different sized mandrels

Rivet nuts are made of durable alloy steel

Main highlights

【Sturdy and Long-lasting】Heat-treated chrome vanadium alloy steel mandrels make the rivnut tools more resilient than carbon-steel rivnut tool kits. The six sizes of mandrels in the nutsert tool kits can meet the needs of various jobs.

【Multiple Accessories】Our rivet nut tool kit complete with 7pcs interchangeable mandrel(M6, M8, M10, 10-24 , 1/4"-20, 3/8"-16, 5/16"-18)and 100PCS rivet nuts. A rugged carrying case is available to keep all the rivet nut tool and accessories.

【Easy Riveting】Unique design and thoughtful instruction Manual allow for easy changing of mandrels of rivet nut gun kit by Hand.
#2

Value for Money
E-Z LOK EZ-329-4 Threaded Inserts for Metal, 1/4-20 Installation Kit, Steel, Black Oxide

9.6

E-Z LOK

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Main highlights

Self locking; adhesive on the external threads activates upon installation

Quickly repair tapped holes in metal

Ideal for use in soft metals, like aluminum, cast iron, and magnesium
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#3
Kadrick 420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

9.4

Kadrick

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Main highlights

Suitable for 3D printing: Brass threaded inserts, which can be embedded into plastic materials using the heat from a soldering iron or ultrasound, are the optimal solution for adding threads in 3D printing.

Secure fixation: Our brass threaded inserts are made of high-quality brass and undergo precision processing, ensuring excellent heat conduction and corrosion resistance. Through testing, we have found that compared to straight-threaded inserts, the knurled threaded inserts provide stronger gripping strength and can withstand high levels of tensile force.

Common specifications: We have created this set of inserts using a large quantity of M3 inserts combined with M4 and M5 inserts, based on the most commonly used specifications by 3D printing enthusiasts. The heights range from 3mm to 12mm. We hope you will like it.
#4
50Pcs Quick Thread Insert with Storage Case, M3 Self Tapping Thread Insert, Stainless Steel Inner Thread Self Tapping Thread Inserts Set, Thread Reinforce Repair Tool

9.3

Tangxi

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Main highlights

【You Can Get】Silver, total 50Pcs. 10 x M3*0.5-M5*0.5 L6, 10 x M4*0.7-M6.5*0.75 L8, 10 x M5*0.8-M8*1.0 L10, 5 x M6*1.0-M10*1.5 L14, 5 x L15, 5 x M10*1.5-M14*1.5 L18, 5 x M12*1.75-M16*1.5 L22. 1 x Storage Case with different compartments for easy storage.

【Sturdy & Wear-resistance】These threaded inserts have a good connection performance, can enhance connection strength and improve connection condition. Good wear-resistance, can be used for parts that requires frequent removing,It is widely used in automobile industry, rail car industry, ship industry, household appliances and many other places.

【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.
#5
Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components

9.2

Ktehloy

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Main highlights

【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.

【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes.

【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints.
#6
50Pcs Stainless Steel Inner Thread Self Tapping Thread Inserts Set Thread Reinforce Repair Tool M3- with a Storage Case

9.0

FTVOGUE

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Main highlights

With certain elasticity and even load，metric thread inserts are resistant to vibration to avoid loosening.

Threaded inserts are made of high quality stainless steel ,anti- and rust, good toughness, high hardness and low abrasion.

Tapping Inserts can be used repeatedly, can also repair the damaged thread by installing into thread hole.
#7
Vifmy SAE Rivet Nut Assortment Kit(240Pcs),#6-32#8-32#10-24 1/4"-20 5/16"-18 3/8"-16 UNC Rivnut Threaded Insert Nut Set,Zinc Plated Finish Carbon Steel Nutsert

8.7

Vifmy

-10%

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Main highlights

Sae Rivet Nut: Sae rivet nut assortment kit contains 6 size types of rivnut, which are #6-32(40 pcs),#8-32(60 pcs),#10-24(60 pcs),1/4"-20(48 pcs),5/16"-18(20 pcs),3/8"-16(12 pcs),6 different sizes to meet different sizes to meet different scenarios

High-Quality: The rivet nuts is made of high quality carbon carbon steel, high strength, good toughness, and a layer of zinc plated on the surface of the rivet nut can not only strengthen the anti-rust properties, but also enhance its corrosion resistance, thus prolonging the service life

Convenient Storage: Each of the 6 different sizes of rivet nut are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the rivnut will not be lost or mixed up during use

-10%
#8
50Pcs 302 Stainless Steel Inner Thread Self Tapping Thread Inserts Set Thread Reinforce Repair Tool Threaded Inserts for Metal Thread Inserts for Metal

8.5

Walfront

-12%

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Main highlights

HIGH QUALITY: Made of high quality stainless steel, it is of high hardness and low abrasion.

GOOD CHARACTER: Solid, is not easy to slick, deep thread, uniform force, no burr in thread, clear and tidy.

FEATURE: With certain elasticity and even load, it is resistant to vibration to avoid loosening. Greatly improve strength and stability of screws connection.

-12%
#9
Vanulee Legal and Letter Size Hanging File Folder Frame,Hanging File Folder Holder for Desktop Organizer,Metal Rack for Filing Cabinet and File Drawer,12.4” Wide x 15.3” Long x 9.4" Height,Black

8.2

Vanulee

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Main highlights

Use legal size and letter size files.

Coated steel construction,heavy-duty.

Assembly dimension:15.3”Lx12.4”Wx9.4”H,special design for desktop use,only fit file drawer/cabinet/inserts with length,height bigger than 15.5”L and 9.5”H.
#10
EilxMag Rivet Nut Tool Kit, 400pcs SAE & Metric Rivet Nut Assortment Kit, Carbon Steel Flat Head Inserts Nutserts for Metal(Standard #6 to 1/2, M3 to M12, 14 Sizes)

8.1

EilxMag

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Why we love it

Durable: Corrosion resistant, strong and long lasting.

Multi purpose: Suitable for various materials.

Comprehensive: Contains 400 different sizes.

Main highlights

Key Features
Durable carbon steel, corrosion-resistant, easy-to-use design with a smooth, burr-free surface for long-lasting, sustainable application.

Ideal Use Cases
Perfect for home furniture installation, auto repairs, decoration, electrical work, especially in hard-to-reach areas.

Customer Praise
Most reviews highlight the sturdy, convenient storage box and the wide assortment of sizes as the most appreciated features.

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metal inserts

HARDELL Rivet Nuts Tool, 14" Hand Rivet Tool Kits with 100Pcs Rivet Nuts and 7 Metric & Inch Mandrels M6 M8 M10, 1/4-20, 5/16-18, 3/8-16, 10-24 and Rugged Carrying Case

9.7

Why we love it

Main highlights

E-Z LOK EZ-329-4 Threaded Inserts for Metal, 1/4-20 Installation Kit, Steel, Black Oxide

9.6

Main highlights

Kadrick 420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

9.4

Main highlights

50Pcs Quick Thread Insert with Storage Case, M3 Self Tapping Thread Insert, Stainless Steel Inner Thread Self Tapping Thread Inserts Set, Thread Reinforce Repair Tool

9.3

Main highlights

Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components

9.2

Main highlights

50Pcs Stainless Steel Inner Thread Self Tapping Thread Inserts Set Thread Reinforce Repair Tool M3- with a Storage Case

9.0

Main highlights

Vifmy SAE Rivet Nut Assortment Kit(240Pcs),#6-32#8-32#10-24 1/4"-20 5/16"-18 3/8"-16 UNC Rivnut Threaded Insert Nut Set,Zinc Plated Finish Carbon Steel Nutsert

8.7

Main highlights

50Pcs 302 Stainless Steel Inner Thread Self Tapping Thread Inserts Set Thread Reinforce Repair Tool Threaded Inserts for Metal Thread Inserts for Metal

8.5

Main highlights

Vanulee Legal and Letter Size Hanging File Folder Frame,Hanging File Folder Holder for Desktop Organizer,Metal Rack for Filing Cabinet and File Drawer,12.4” Wide x 15.3” Long x 9.4" Height,Black

8.2

Main highlights

EilxMag Rivet Nut Tool Kit, 400pcs SAE & Metric Rivet Nut Assortment Kit, Carbon Steel Flat Head Inserts Nutserts for Metal(Standard #6 to 1/2, M3 to M12, 14 Sizes)

8.1

Why we love it

Main highlights

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