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Best nut inserts - February 2026

Last Updated - February 17, 2026

1
Best Choice
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WETOLS
17% Off

WETOLS Rivet Nut Tool Kit, 14-Inch Rivnut Tool with 7 Metric and SAE Mandrels, Professional Hand Riveter with 70Pcs Rivnuts Assortment Kit, Manual Rivet Nut Gun with Rugged BMC Case

WETOLS

$49.97

$59.99
(17% Off)

More Details
Main highlights
- ▲【VARIOUS MANDRELS】The Rivnut Tool Kit is quipped with 7PCS interchangeable mandrels(Metric M6 M8 M10; SAE 1/4-20*2, 5/16-18, 3/8-16)
- ▲【STURDY AND DURABLE】The mandrels of our hand rivet nut tool is made from Chrome steel with heat treated 40℃ and the arm is made from 45 carbon steel, which protect against corrosion and resist to deformation
- ▲【SOLID BLOW CASE】All Accessories are packaged in the blow molded carry case for easy storage and portability. Each tool is placed close to its position to prevent movement and scratching
- ▲【EASY TO USE】The mandrel of Wetols 14" Nutsert Tool Kit can be easily removed by hand for easy mandrel change or maintenance
- ▲【COMPLETE ACCESSORIES】70Pcs Rivet Nuts Assortment Kit (20 rivnuts for SAE 1/4-20, 10 rivet nuts each for other 5 mandrels).Please note that the 1/4-20 mandrel was installed in the rivet gun
$49.97
$59.99 (17% Off)
2
Best Value
33% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WETOLS
33% Off

WETOLS Rivet Nut Tool Kit, 14-Inch Rivnut Tool with 7 Metric and SAE Mandrels, Professional Hand Riveter with 70Pcs Rivnuts Assortment Kit, Manual Rivet Nut Gun with Rugged BMC Case

WETOLS

$39.97

$59.99
(33% Off)

More Details
Main highlights
- ▲【VARIOUS MANDRELS】The Rivnut Tool Kit is quipped with 7PCS interchangeable mandrels(Metric M6 M8 M10; SAE 1/4-20*2, 5/16-18, 3/8-16)
- ▲【STURDY AND DURABLE】The mandrels of our hand rivet nut tool is made from Chrome steel with heat treated 40℃ and the arm is made from 45 carbon steel, which protect against corrosion and resist to deformation
- ▲【SOLID BLOW CASE】All Accessories are packaged in the blow molded carry case for easy storage and portability. Each tool is placed close to its position to prevent movement and scratching
- ▲【EASY TO USE】The mandrel of Wetols 14" Nutsert Tool Kit can be easily removed by hand for easy mandrel change or maintenance
- ▲【COMPLETE ACCESSORIES】70Pcs Rivet Nuts Assortment Kit (20 rivnuts for SAE 1/4-20, 10 rivet nuts each for other 5 mandrels).Please note that the 1/4-20 mandrel was installed in the rivet gun
$39.97
$59.99 (33% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Vifmy

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

Vifmy

$16.99

More Details
Main highlights
- Wide Application: Rivet nuts are widely used in furniture, home appliances, air conditioning, fitness equipment, bicycles, electrical equipment, automobile manufacturing, shipbuilding, aviation and many other production and manufacturing fields
- 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
- Rational Design: Rivnut are designed with flat head vertical threads, with flat and deep threads for easy fixing and anti-slip effect, making them easier to handle and install
- 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
$16.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LEIFIDE

LEIFIDE 100 Pcs 1/4" - 20 Stainless Steel Regular Extruded U Type Nuts U Style Clip-on Nut Extruded U Style Spring Nuts for Automotive Metal Fender Grill Retainer Clips

LEIFIDE

$25.99

More Details
Main highlights
- Wide Application Scenarios for Multi Purpose Use: these U style nuts are mainly applied for fixing auto body panels and molded parts, and are suitable for auto bumpers, fenders, door panels, radiators and other auto components; In addition, these clip nuts can also be applied to the assembly of outdoor metal frames, furniture hardware, electronic device shells and other items, serving as multi functional fasteners for industrial assembly and DIY production
- Stainless Steel Material for Rust and Corrosion Resistance: made of qualified stainless steel, these U style nuts have good rust and corrosion resistance; They can be applied for a long time without rusting even in outdoor rainy and humid environments, or in scenarios such as auto chassis that are prone to contact with water vapor; These clip nuts can maintain their original performance in various harsh conditions
- Precise Thread Specification for Tight Fit: these U style nuts strictly comply with the 1/4"-20 thread standard, with the size of about 0.98" (length) × 0.51" (width) × 0.45" (height); They are suitable for matching with 1/4"-20 bolts, and can be applied to fix auto bumpers, fenders, dashboards and other related components; After installation, these clip nuts can fit closely with the parts without loosening during use
- Multiple Quantities Packaged: this set comes with 100 pieces of 1/4"-20 U style nuts, which can fully meet the batch operation needs of auto repair shops, the assembly work of outdoor gear, the production process of DIY projects and the long term reserve requirements; These clip nuts can provide sufficient supply, allowing you to avoid frequent replenishment in daily use and work
- Hassle Free Installation for Efficient Operation: these U style nuts can form a threaded mounting point by simply clipping them on the edge of the metal plate, featuring simple and efficient operation; They also support repeated disassembly and assembly, which is convenient for later maintenance and component replacement; These clip nuts can help save a lot of construction time in the process of installation and maintenance
$25.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ruthex

ruthex Threaded Inserts M2 + M3 + M4 + M5 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

ruthex

$29.99

More Details
Main highlights
- SUITABLE FOR A VARIETY OF PLASTICS: The inserts are designed for all thermoplastics. For example, the knurled nuts hold in PLA, PETG, ABS, PPS, PP and many more. As soon as the plastic of the part around the brass sleeve cools and hardens, the threaded sleeve is firmly anchored
- STABLE & LONG-LASTING THREAD INSERTS: The inserts with internal thread brass, which ensures optimum corrosion resistance and thermal conductivity. This means that each insert nut can be used for a long time and is easy to use. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed
- PRACTICAL THREAD INSERT BOX: The ruthex threaded inserts box are lead free and consists of 70 pieces RX-M2x4 + 100 pieces RX-M3x5.7 + 50 pieces RX-M4x8.1 + 50 pieces RX-M5x9.5 Insert nuts with M2, M3, M4 and M5 internal thread. The thread inserts are supplied in a practical assortment box. The threaded sleeves can be used by ultrasonic and be inserted by ultrasonic and heat embedding
- M2 + M3 + M4 + M5 THREAD INSERTS FOR YOUR 3D PRINTED PARTS: The ruthex threaded nuts can be retrofitted by heat or ultrasound into parts of 3D printers from e.g. Anycubic, Creality or Prusa. With the help of heat from a soldering iron or ultrasound, the insert nuts are simply embedded in a blind or through hole
- FIRM HOLDING WITH EASY APPLICATION: Thanks to the geometry of the threaded sleeve, it holds firmly in the pressure part. The opposing spiral-shaped knurled nuts ensure a high balanced tightening and loosening torque, as well as a high tightening force. Through the guide, insertion has been greatly simplified
$29.99

Best nut inserts - February 2026

WETOLS Rivet Nut Tool Kit, 14-Inch Rivnut Tool with 7 Metric and SAE Mandrels, Professional Hand Riveter with 70Pcs Rivnuts Assortment Kit, Manual Rivet Nut Gun with Rugged BMC Case

WETOLS Rivet Nut Tool Kit, 14-Inch Rivnut Tool with 7 Metric and SAE Mandrels, Professional Hand Riveter with 70Pcs Rivnuts Assortment Kit, Manual Rivet Nut Gun with Rugged BMC Case

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

LEIFIDE 100 Pcs 1/4" - 20 Stainless Steel Regular Extruded U Type Nuts U Style Clip-on Nut Extruded U Style Spring Nuts for Automotive Metal Fender Grill Retainer Clips

ruthex Threaded Inserts M2 + M3 + M4 + M5 Assortment Box - 70 + 100 + 50 + 50 Pieces - Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

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