Which are the best thread inserts for metal available in 2020?

We spent many hours on research and managed to find top 10 thread inserts for metal that is best suitable for you. This review is based on reliable sources, product specs, and hundreds of customer reviews. In this article, were going to highlight the main features of the best thread inserts for metal and why they are important when it comes to choosing the right one.

Best thread inserts for metal

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Best thread inserts for metal reviews

1. Astro Pneumatic Tool 1442 13" Hand Rivet Nut Setter Kit - Metric & SAE W/ 60pc Rivnuts

Feature

New "Toolless Quick-Change Head" design allows for easy changing of mandrels and nose pieces by hand
Disassembly of tool never required, unique spring loaded inner hex sleeve automatically locks the rotation of hand installed mandrel
Shorter handle with double compound hinges maximizing leverage. Great for off-road / Jeep modifications
6 interchangeable mandrel/nosepiece sets and 10pc rivet nuts in Metric M5, M6, & M8 and in SAE 10-24, 1/4-20, & 5/16-18
Includes 10 pieces of each of the following rivet nuts: M5, M6, M8,10-24, 1/4-20 and 5/16-18

Description

Patented structure increases power and reduces shock Shorter handle with double compound hinges that maximize leverage Includes Hand Nut/Thread Setting Riveter 6 interchangeable mandrel/nosepiece sets in Metric M5, M6, & M8 and in SAE 10-24, 1/4-20, & 5/16-18 Includes 10 pieces of each of the following rivet nuts: M5, M6, M8,10-24, 1/4-20 and 5/16-18 Versatile and powerful hand nut/thread setting riveter, takes the hard work out of setting rivet nuts Ideal for working in hard-to-reach area Ergonomic grip for easy operation

2. Q&R 17" RIVET NUT TOOL Hand Blind Riveter ,RIVNUT Riveting Tools with Nut Setting System M3 M4 M5,m6,m8,m10 M12, 10-24, 1/4-20 , 5/16-18,3/8-16 ,totally 11 mandrels

Feature

M8 mandrel already on the tool that is why plastic is empty
M3 M4 M5,m6,m8,m10 M12, 10-24, 1/4-20 , 5/16-18,3/8-16
it also can work on 1/2" RIVET NUT ,The mandrel is in my store ,pls search
we 100% gurantee quality ,any question about tool ,just feel free to contact us at the first time.

Description

M8 mandrel already on the tool that is why plastic is empty Total Length :440mm Max.working stroke:9mm Designed with round knurled sleeve and adjustable nut system . Suitable for rivet sizes :M3 M4 M5,m6,m8,m10 M12, 10-24, 1/4-20 , 5/16-18,3/8-10. packed by box

3. REXBETI 14" Rivet Nut Tool, Professional Rivet Setter Kit with 7 Metric & SAE Mandrels and 60pcs Rivnuts, Labor-Saving Design, Extra 1/4-20 mandrel with Rugged Carrying Case

Feature

EASY OPERATION - REXBETI 14 inch hand riveter is easy changing of mandrel and nose pieces by hand, labor-saving long arm and soft rubbery handle provides easy rivet operation
LONG-LASTING & DURABLE - REXBETI rivet nut tool is made from thick carbon steel with heat treated finish which protect against corrosion and give this tool added durability and strength
6-PIECE MANDREL & 60-PIECE RIVET NUTS - Comes with 6pcs SAE/Metric interchangeable mandrel parts ( M6, M8 M10, 1/4-20 5/16-18 3/8-16 ), Each mandrel with 10 pieces nuts, all the nuts are packed individually for quick and easy access
ERGONOMIC DESIGN - The ergonomic long arm and rubbery handle offers enough force to easily rivet the nut without any unnecessary hassle
SOLID CARRYING CASE - All pieces are packed in a rugged, compact carrying case for storage and portability. Each tool fits snugly into its respective place to prevent moving around and scraping

Description

REXBETI Hand Rivet Nut Setter Kit

4. E-Z Lok Threaded Inserts For Metal; Assortment Kit; Carbon Steel; Heavy Wall; UNC Internal Threads, 10-24, 1/4-20, 5/16-18, 3/8-16, 1/2-13; 46 pieces

Feature

46-piece set of solid, heavy wall, carbon steel, self-locking, unified coarse thread inserts for use in metal
Packaged in a case with a compartment for each of five different sizes: 10-24, 1/4-20, 5/16-18, 3/8-16, and 1/2-13
Self-locking with pre-applied Loctite on the external threads that is ready to use in 3-5 minutes and seals against liquids and gases to 6,000 psi when fully cured (72 hours after installation)
Inserts fit holes made with standard drill and tap tools, and install with a flathead screwdriver or bolt and jam nut (installation hardware sold separately)
AISI 12L14 carbon steel is cold drawn for better tolerance and strength than hot rolled steel

Description

5. Tek Motion 131 pc Stripped Thread Rethread Helicoil Repair Kit Metric M5 M6 M8 M10 M12

Feature

📌 This highly useful 131-piece thread repair kit is the perfect solution to a damaged or stripped tapped hole.
📌 Suitable for M5, M6, M8, M10 and M12, the kit creates a stronger internal thread in soft metals and protects tapped threads against wear and damage.
📌 Re-thread tool full set include: insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools
📌 All tools were packed in a convenient steel carrying case, ease and fast in collecting and placing the tools.
📌 Coarse Thread Inserts Coil Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm

Description

📌SPECIFICATIONS:
Material: steel tools & case
Package Dimensions: 5-4/5" x 2-7/8" x 1/2"
Package Weight: 10.1 lbs
Warranty: 1 year limited
Thread Inserts Coil Type: Coarse
Thread Inserts Coil Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm

📌PACKAGE LIST:
5-Piece Insert Installations: M5, M6, M8, M10, M12
110-Piece Wire Thread Inserts: 25pc M5, 25pc M6, 25pc M8, 25pc M10, 10pc M12
5-Piece Twist Drill Bits: M5, M6, M8, M10, M12
5-Piece Thread Taps: M5, M6, M8, M10, M12
5-Piece Lug Breaking Tools: M5, M6, M8, M10, M12

📌OPERATION GUIDE:
1.Drill out the damaged thread using the correctly sized twist drill bit provided.
2.Tap drilled hole using screw tap provided.
3.Load thread insert into installation tool.
4.Scew insert into threaded hole.
5.Remove the tag from the insert using the breaking pin tool.
6.Thread is repaired and ready to use.

6. 40Pcs 1/4"-20 Rivet Nuts Stainless Steel Threaded Insert Nut 1/4-20UNC Nutsert Rivnuts Flat Head Knurled Body

Feature

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".
Rivet Nuts Total Length: 15.5mm / 0.610"; Application Hole Size: 0.351"-0.356". More detail 1/4-20UNC size specification can be refer to the second image detail sheet.
Applications- 304 stainless steel rivnuts, anti-rusted and strength enough to apply in many different material types including steel, sheet metal, aluminum, plastic and fiberglass etc,. Perfect for furniture, decoration,automotive and other electrical & industrial applications.

Description

1/4"-20 Stainless Steel Rivet Nuts fastener Threaded Insert nutsertsRivnuts avdels, 1/4-20UNC,Flat Head (Knurled ),40 Pieces Pack
These are 40pcs high strength threads 1/4"-20 rivet nuts, made of 304 stainless steel.

They are used when an application has little or no access to the backside. They are neat and clean and can be installed from the front side of the work piece. No finishing work is required on the rivnut after installation.

Stainless steel rivnut, Strong enough that will fit your requirements for various applications in home furniture, decoration, automotive , electrical & industrial products.
The rivet nuts can apply in heavy duty materials such as steel, metal sheet, aluminum, plastic and fiberglass alike.

Each rivet nut is made with knurled round body.

Specification:
Thread Size: 1/4"-20
Body Diameter: 8.9mm / 0.350"
Grip Range: 0.5mm-3mm/ 0.019"-0.118"
Head Diameter:12.3mm/ 0.490"
Head Height:1.3mm/ 0.052"
Application Hole Size: (+0.10)9mm/ 0.351"-0.356"
Overall Length: 15.5mm / 0.610"
Head Type: Flat Head
Color : Silver Tone

Package includes 40 pieces of 1/4"-20 rivet nuts stainless steel.

7. iExcell 100-Pack #8-32UNC #10-24UNC 1/4"-20UNC 5/16"-18UNC 3/8"-16 UNC Zinc Plated Carbon Steel Rivet Nut Flat Head Insert Nuts Assortment

Feature

Material : Carbon Steel; Finish: Zinc Plated,Yellow
Thread Size: #8-32UNC #10-24UNC 1/4-20UNC 5/16-18UNC 3/8-16UNC
Total 100 Pcs Rivet Nuts Assortment Comes in a Separated Girds Storage Box
Suitable Material Thickness (Grip Range): 0.020"-0.080"( #8-32UNC, #10-24UNC), 0.020"-0.118"(1/4-20UNC), 0.039"-0.118" (5/16-18UNC ,3/8-16UNC)
Package Quantity: Total 100-Pack Assortment

Description

Zinc Plated Carbon Steel Rivet Nut
Knurled Body for Anti-Rotation
Easy to store and get the nuts: Total 100 Pcs Rivet Nuts Assortment Comes in a Separated Girds Storage Box
For Material Thickness(Grip Range): 0.020"-0.080" for #8-32UNC and #10-24UNC, 0.020"-0.118" for 1/4-20UNC, 0.039"-0.118" for 5/16-18UNC and 3/8-16UNC
******Specification******
Item-------------Head Dia----------Head Height----------Total Length-------Drill Hole Size----------Grip Range
#8-32UNC---------0.39"----------------0.04"-----------------0.51"--------------0.265"---------------0.020"-0.080"
#10-24UNC--------0.39"----------------0.04"-----------------0.51"--------------0.291"---------------0.020"-0.080"
1/4-20UNC--------0.50"----------------0.06"-----------------0.60"---------------0.350"--------------0.020"-0.118"
5/16-18UNC-------0.58"----------------0.06"-----------------0.72"--------------0.430"---------------0.039"-0.118"
3/8-16UNC--------0.67"----------------0.06"-----------------0.71"--------------0.530"---------------0.039"-0.118"
******Package Quantity******
#8-32UNC------------30Pcs
#10-24UNC-----------30Pcs
1/4-20UNC-----------25Pcs
5/16-18UNC----------10Pcs
3/8-16UNC------------5Pcs
Total---------------100Pcs

8. Glarks 370Pcs M2 M3 M4 M5 Female Thread Knurled Brass Threaded Insert Embedment Nut Assortment Kit for 3D Printing

Feature

Product Type: High quality knurled thread inserts nuts assortment kit.
Package Detail: In this set, it include 15 kinds of m2, m3, m4, m5 knurl thread inserts nuts total 370pcs which are well packed in a plastic box.
Product Material: All the nuts are made of premium brass, which has high hardness, no deformation, durable and reliable for long time use.
Easy to install: Since the insert has a conduction valve, there is no need to back-drill and counter-sink the hole.
Product Feature: Widely used on the injection moulding for tightly fixing; can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection.

Description

Glarks 370Pcs M2 M3 M4 M5 Knurled Brass Threaded Heat Set Insert Embedment Nut Assortment Kit

Product specification:
Product: Knurled brass threaded insert nut assortment kit
Nut type: Knurled nut
Material: Brass
Color: Brass Tone
Inner diameter: 2mm, 3mm, 4mm and 5mm
Outer diameter: 3.5mm, 5mm, 6mm and 7mm
Hight: 4mm, 6mm, 8mm, 10mm
Application: Heat resistant, great for 3d printing

Product Feature:
Premium brass material, heat resistant, wear-resistant, acid-resistant rust-proof, anti-corrosive and non-toxic, high hardness for long time use.
No need to counterbore or countersink the boss hole since the insert has guide pilot.
Can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection.

Package include:
M2 x 4mm x 3.5mm ----- 40pcs
M2 x 6mm x 3.5mm ----- 40pcs
M2 x 8mm x 3.5mm ----- 40pcs
M2 x 10mm x 3.5mm --- 40pcs
M3 x 4mm x 5mm -------- 30pcs
M3 x 6mm x 5mm -------- 30pcs
M3 x 8mm x 5mm -------- 25pcs
M3 x 10mm x 5mm ------ 25pcs
M4 x 4mm x 6mm -------- 20pcs
M4 x 6mm x 6mm -------- 20pcs
M4 x 8mm x 6mm -------- 15pcs
M4 x 10mm x 6mm ------ 15pcs
M5 x 6mm x 7mm -------- 10pcs
M5 x 8mm x 7mm -------- 10pcs
M5 x 10mm x 7mm ------ 10pcs
Total Quantity: 370Pcs

Note:
Please check the specific size according to the second picture. The products are manual measurement and there may be 1-3mm errors. Please don't mind.
Please contact us if you have any questions, we will reply you within 12 hours.

9. E-Z Lok Threaded Inserts For Metal; Assortment Kit; Carbon Steel; Metric Internal Threads, M3-0.5, M4-0.7, M5-0.8, M6-1.0, M8-1.25; 50 pieces

Feature

50-piece set of solid, heavy wall, carbon steel, self-locking, metric coarse thread inserts for use in metal
Packaged in a case with a compartment for each of five different sizes: M3-0.5, M4-0.7, M5-0.8, M6-1.0, and M8-1.25
Self-locking with pre-applied Loctite on the external threads that is ready to use in 3-5 minutes and seals against liquids and gases to 6,000 psi when fully cured (72 hours after installation)
Inserts fit holes made with standard drill and tap tools, and install with a flathead screwdriver or bolt and jam nut (installation hardware sold separately)
AISI 12L14 carbon steel is cold drawn for better tolerance and strength than hot rolled steel

Description

10. VIGRUE 150pcs #8-32#10-24 1/4"-20 5/16"-18 3/8"-16 Carbon Steel UNC Rivet Nuts Rivnuts Kit, Yellow Zinc Plated Finish, Flat Head Threaded Insert Nutsert Assortment Kit Assort

Feature

[WHAT YOU GET] 150pcs rivet nuts with various sizes in a durable transparent box, it contains 5 sizes selected for you, includes: #8-32UNC x 45pcs, #10-24UNC x 45pcs, 1/4''-20UNC x 40pcs, 3/8''-16UNC x 8pcs, 5/16''-18UNC x 10pcs.
[PORTABLE KIT] These rivet nuts kit is lightweight, very convenient to carry; Meanwhile, the transparent storage box is durable enough to accommodate all items safely.
[NULTIPURPOSE]: the assorted nutserts are widely used in automotive, furniture, decoration and other electrical and industrial products, suitable for a variety of occasions such as in air conditioning, fire fighting, gas or in medicine beverage food chemical industry and metal sheets factory.
[FRIENDLY MATERIAL]: Rivet nuts are made of carbon steel, strong rust and corrosion resistant for a long time use; Zinc plated surface help prevent surface damage and fade, anti-oxidation, healthy and lead-free, high strength, non-deforming, load-bearing threads
[WORRY-FREE]: VIGRUE provide guarantee for our product quality problem, if you're unhappy with our product for any reason, please feel free to contact us, we will solve the problem.

Description

VIGRUE 150pcs Mixed Zinc Plated Carbon Steel Rivet Nut Flat Head Insert Nutsert Assortment Kit, Assort #8-32UNC #10-24UNC 1/4"-20UNC 5/16"-18UNC 3/8"-16UNC

Key Features:
--Rivet nuts are made of carbon steel, providing high-strength, load-bearing threads;
--Suitable for a variety of occasions such as in medicine beverage food chemical industry, air conditioning, fire fighting, gas, etc.
--It contains 150pcs rivet nuts, all of which are in a durable transparent box; Different sizes meet your various demands.
--Made of carbon steel, with zinc plated finish,Rust and corrosion resistant for a long time use.

Specifications:
Material: carbon steel, zinc plated
Quantity: 150pcs, packed in durable plastics box
Rivet nut sizes: #8-32UNC, #10-24UNC, 1/4"-20UNC, 5/16"-18UNC, 3/8"-16UNC
Head type: flat head

Package includes:
45Pcs............ #8-32UNC rivet nuts
45Pcs.......... #10-24UNC rivet nuts
20Pcs.............1/4''-20UNC rivet nuts
8Pcs.............. 3/8''-16UNC rivet nuts
10Pcs...........5/16''-18UNC rivet nuts

Warning:
The product doesn't suitable for children, please keep them away from kids.

Conclusion

By our suggestions above, we hope that you can found the best thread inserts for metal for you. Please don't forget to share your experience by comment in this post. Thank you!