Best sourcing map Nut Inserts of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 5 Feb 2026

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sourcing map offers a range of high-quality nut inserts that are designed to provide strong and reliable fastening solutions. These nut inserts are made from durable materials and are available in various sizes and configurations to suit different applications. With their easy installation process, these nut inserts are an ideal choice for securely fastening components together. Whether you need to join materials or reinforce existing structures, sourcing map's nut inserts can help you achieve a sturdy and long-lasting connection.

At a Glance: Our Top Picks

Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm Cover #TOP 1
Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm
ftb score rating icon 9.9
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Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm thumbnail
Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm
#TOP1
9.9
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sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners Cover #TOP 2
sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
ftb score rating icon 9.8
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sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners thumbnail
sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
#TOP2
9.8
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sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners Cover #TOP 3
sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
ftb score rating icon 9.6
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sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners thumbnail
sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
#TOP3
9.6
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Top 10 sourcing map Nut Inserts

#TOP 1

Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm

sourcing map
a24061900ux1536
Gold
Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm Cover
Sourcing Map 50pcs Brass Heat Set Inserts M6x6mm, OD 8mm Knurled Insert Nuts for 3D Printing
ftb score rating icon 9.9
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Features
Material - Made Of Brass Material, High Hardness And Durable. Provides Good Mechanical Properties With Increased Corrosion And Heat Resistance.
Metric Knurled Nut: M6x1 Thread Size, 6mm Length, 8mm Outer Diameter.
Feature - The Embedding Nut Has A Guide So There Is No Need For A Counterbore Or Countersink. Smooth Surface, Firm And Uniform, Easy To Install.
Application - Can Be Installed By Ultrasonic Or Heat Into The Plastic Matrix, Or Formed During The Injection, Widely Used In 3D Printing Injection Molding, Computer Products, Electronic Products, Circuit Board Fixing, Etc., To Achieve Tight Fixing.
Advantage - Due To The Embossing Process On The Outer Diameter Of The Insert, It Forms Certain Friction And Bites Force With The Brass Insert After Forming, Which Can Be Fixed On The Inside So That It Will Not Fall Off Easily. Has A Certain Torsion And Tension.
#TOP 2

sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners

sourcing map
a25041800ux1442
Silver
sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners Cover
sourcing map 6pcs Thread Repair Inserts M10 x 1.5 Male to M8 x 1.25 Female Thread 12mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
ftb score rating icon 9.8
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Features
Material - Made From A Non-Magnetic And Easily Machined Stainless Steel, 303 Stainless Steel Threaded Inserts Offer Good Corrosion Resistance, High Tensile Strength And Hardness, High Temperature Resistance And Thread Accuracy. They Are Passivated For Increased Corrosion Resistance And A Smooth, Clean Surface Finish, And Extending Their Service Life And Ensuring Long-Term Performance.
Size - These Thread Repair Inserts Feature An Internal Thread Size Of M8 X 1.25 And An External Thread Size Of M10 X 1.5, With Small Groove, Making Them Suitable For A Variety Of Applications. Measuring 12mm (0.47") In Length, The Threaded Inserts Are Easy To Use For A Wide Range Of Threading Needs.
Notes - The Bottom Of The Thread Repair Sleeve Is Designed With A Small Groove For Easy Screwing In During Installation. Installation Is Quick And Easy, And Only One Assembly Tool Is Required. Make Sure Threaded Inserts Are Installed Correctly Using The Proper Tools And Techniques To Prevent Damage And Ensure A Secure Tightening. Be Careful When Inserting Screws Or Bolts Into Threaded Inserts To Avoid Cross-Threading.
Features - Threaded Reducers Can Greatly Improve The Strength And Stability Of Threaded Connections. The Threading Sleeves Can Be Reused And Installed Into Threaded Holes To Repair Damaged Threads. Stainless Steel Threaded Inserts Have Deep, Clear Threads And Even Force, Providing A Cost-Effective Solution For Repairing Mis-Threaded Or Damaged Internal Threaded Holes.
Applications - Thread Repair Inserts Are Widely Used In Aviation, Automobiles, Steam Turbines, Molds, Computers, Lamps, Mechanical Equipment, Radiators And Household Appliances, Etc. To Ensure Safe And Stable Thread Repair. Threaded Reducer Is A Reliable Choice For A Variety Of Applications Where Durability And Performance Are Key Requirements. Can Be Used For Parts That Require Frequent Disassembly.
#TOP 3

sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners

sourcing map
a25041800ux1459
Silver
sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners Cover
sourcing map 6pcs Thread Repair Inserts M12 x 1.75 Male to M10 x 1.5 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
ftb score rating icon 9.6
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Features
Material - Made From A Non-Magnetic And Easily Machined Stainless Steel, 303 Stainless Steel Threaded Inserts Offer Good Corrosion Resistance, High Tensile Strength And Hardness, High Temperature Resistance And Thread Accuracy. They Are Passivated For Increased Corrosion Resistance And A Smooth, Clean Surface Finish, And Extending Their Service Life And Ensuring Long-Term Performance.
Size - These Thread Repair Inserts Feature An Internal Thread Size Of M10 X 1.5 And An External Thread Size Of M12 X 1.75, With Small Groove, Making Them Suitable For A Variety Of Applications. Measuring 15mm (0.59") In Length, The Threaded Inserts Are Easy To Use For A Wide Range Of Threading Needs.
Notes - The Bottom Of The Thread Repair Sleeve Is Designed With A Small Groove For Easy Screwing In During Installation. Installation Is Quick And Easy, And Only One Assembly Tool Is Required. Make Sure Threaded Inserts Are Installed Correctly Using The Proper Tools And Techniques To Prevent Damage And Ensure A Secure Tightening. Be Careful When Inserting Screws Or Bolts Into Threaded Inserts To Avoid Cross-Threading.
Features - Threaded Reducers Can Greatly Improve The Strength And Stability Of Threaded Connections. The Threading Sleeves Can Be Reused And Installed Into Threaded Holes To Repair Damaged Threads. Stainless Steel Threaded Inserts Have Deep, Clear Threads And Even Force, Providing A Cost-Effective Solution For Repairing Mis-Threaded Or Damaged Internal Threaded Holes.
Applications - Thread Repair Inserts Are Widely Used In Aviation, Automobiles, Steam Turbines, Molds, Computers, Lamps, Mechanical Equipment, Radiators And Household Appliances, Etc. To Ensure Safe And Stable Thread Repair. Threaded Reducer Is A Reliable Choice For A Variety Of Applications Where Durability And Performance Are Key Requirements. Can Be Used For Parts That Require Frequent Disassembly.
#TOP 4

sourcing map Furniture Plastic Pre-inserted Nuts

sourcing map
a22052400ux0223
off-white
11mm x 10.5mm
sourcing map Furniture Plastic Pre-inserted Nuts Cover
sourcing map Furniture Plastic Pre-inserted Nuts, 11mmx10.5mm 80pcs Hinge Dowel Inserts Panel Expansion Nuts for Hinge Self-tapping Screw, Furniture Connector Fittings
ftb score rating icon 9.6
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Features
Material: Nylon Material, High Hardness, Good Toughness And Tensile Force, Can Be Used Repeatedly.
Product Name: Furniture Pre-Inserted Nuts; Outer Diameter: 11mm / 0.43"; Total Height: 10.5mm / 0.41"; Inner Thread Diameter: M6; Package Content: 80 Pcs X Nylon Pre-Inserted Nuts
Installation: Usually Choose The Same Diameter As The Installation Hole. When Screwed In, The Nut Expands.
Application: Pre-Inserted Nut Has A Wide Range Of Applications, Such As Screw Fastening For Hinge Installation, 3-In-1 Furniture Connectors, Etc. It Is Often Used For Wood Furniture Panel Connections Such As Cabinets, Wardrobes, Dressers, Etc.
Advantages: Built-In Thread, With Expansion Function, When Installing Hinge Or Dowel Screws, It Plays The Role Of Fixing And Protecting The Board.
#TOP 5

Sourcing Map Knurled Insert Nuts

sourcing map
a23122300ux0293
Gold
M4 x 4mm x 6mm
Sourcing Map Knurled Insert Nuts Cover
Sourcing Map Knurled Insert Nuts, 50pcs M4 x 4mm L x 6mm OD 3D Printing Brass Female Threaded Inserts, Heat Set Embedment for Printing
ftb score rating icon 9.5
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Features
Material - Made Of Brass Material, High Hardness And Durable. Provides Good Mechanical Properties With Increased Corrosion And Heat Resistance.
Specification - Thread Size: M4 X 0.7mm(Dia*Pitch); Overall Size: 4mm X 6mm / 0.16" X 0.24"(L*OD); Package Content: 50pcs X Knurled Insert Nuts
Feature - The Embedding Nut Has A Guide So There Is No Need For A Counterbore Or Countersink. Smooth Surface, Firm And Uniform, Easy To Install.
Application - Can Be Installed By Ultrasonic Or Heat Into The Plastic Matrix, Or Formed During The Injection, Widely Used In 3D Printing Injection Molding, Computer Products, Electronic Products, Circuit Board Fixing, Etc., To Achieve Tight Fixing.
Advantage - Due To The Embossing Process On The Outer Diameter Of The Insert, It Forms Certain Friction And Bites Force With The Brass Insert After Forming, Which Can Be Fixed On The Inside So That It Will Not Fall Off Easily. Has A Certain Torsion And Tension.
#TOP 6

sourcing map Knurled Insert Nuts

sourcing map
a25061000ux1194
M5 x 9.5mm x 7mm
sourcing map Knurled Insert Nuts Cover
sourcing map Knurled Insert Nuts, 60pcs M5 x 9.5mm Length x 7mm OD 3D Printing Brass Nuts Female Threaded Inserts Brass Heat Set Insert Embedment Nut
ftb score rating icon 9.5
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Features
Material - Made Of Brass Material, High Hardness And Durable. Provides Good Mechanical Properties With Increased Corrosion And Heat Resistance.
Specification - Thread Size: M5 X 0.8mm(Dia*Pitch); Overall Size: 9.5mm X 7mm / 0.37" X 0.28"(L*OD); Package Content: 60pcs X Knurled Insert Nuts
Feature - The Embedding Nut Has A Guide So There Is No Need For A Counterbore Or Countersink. Smooth Surface, Firm And Uniform, Easy To Install.
Application - Can Be Installed By Ultrasonic Or Heat Into The Plastic Matrix, Or Formed During The Injection, Widely Used In 3D Printing Injection Molding, Computer Products, Electronic Products, Circuit Board Fixing, Etc., To Achieve Tight Fixing.
Advantage - Due To The Embossing Process On The Outer Diameter Of The Insert, It Forms Certain Friction And Bites Force With The Brass Insert After Forming, Which Can Be Fixed On The Inside So That It Will Not Fall Off Easily. Has A Certain Torsion And Tension.
#TOP 7

sourcing map 80 Pcs Threaded Inserts

sourcing map
a25070400ux0121
M3 x 6mm H x 5mm OD
sourcing map 80 Pcs Threaded Inserts Cover
sourcing map 80 Pcs Threaded Inserts with Soldering Iron Tip Press Tool, M3 x 6mm H x 5mm OD Brass Metric Knurled Nuts Heat Set Inserts Embedment Nut for 3D Printing Plastic Parts
ftb score rating icon 9.5
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Features
[Feature] - Made Of Good-Quality Brass Material, These Thread Insert Nuts Have Corrosion Resistance, Excellent Thermal Conductivity, And Durability. They Are Resistant To Breakage And Deformation, Strong And Durable, Will Not Rust, And Can Easily Endure The Harsh Heat Generated During Plastic Thermal Shaping Processes.
[Package Includes] - 80 Pcs X Heat-Set Threaded Inserts With 1 Set X Soldering Iron Tips, Threaded Inserts Set Are In Dimensions Of: Thread Size: M3 X 0.5mm; Nut Overall Size: 6x5mm / 0.24x0.2 Inch(H*OD); Soldering Connector Size: 6.5x4x32mm / 0.25x0.16x1.26 Inch(OD*ID*L); Soldering Iron Insert Tip Size: M3.
[Special Design] - These Threaded Inserts Are Finely Processed; The External Reverse Spiral Knurling Design Significantly Enhances The Torque Resistance And Tensile Strength, Ensuring A Firm And Stable Connection To Prevent Falling Off. The Female Thread Is Deep And Clear, The Force Is Evenly Distributed, And The Threaded Connection Is More Secure.
[Function] - These Pure Brass Threaded Inserts Are Widely Used In 3D Printing, Injection Plastic Parts, Automotive Plastic Housings, Laptop Housings, Electronic Products, Circuit Board Fixings, Etc. They Are Commonly Used Thread Fasteners For Thermoplastic (including PLA, PETG, ABS, PP, Etc.) And Are Often Used For 3D Printing Prototypes, Reinforcing Plastic Joints, Or Adding Threaded Inserts To Plastic Parts To Increase The Strength Of Threaded Connections.
[Easy To Use] - These Inserts Come With A Soldering Tip Brass Press Tool That Allows You To Easily Embed The Insert Into The 3D Printed Part Using A Soldering Iron. You Can Use A Common Soldering Iron To Heat It Up And Then Easily Press It Into The Hole. Allow It To Cool Down And Solidify Within The Plastic Material.
#TOP 8

sourcing map 10pcs Thread Repair Inserts M10 x 1.5 Male to M6 x 1 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners

sourcing map
a25040800ux0149
Silver
sourcing map 10pcs Thread Repair Inserts M10 x 1.5 Male to M6 x 1 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners Cover
sourcing map 10pcs Thread Repair Inserts M10 x 1.5 Male to M6 x 1 Female Thread 15mm Long Stainless Steel Reducing Nuts Metric Self Tapping Sleeves Threaded Reducer Industrial Fasteners
ftb score rating icon 9.4
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Features
Material - Made From A Non-Magnetic And Easily Machined Stainless Steel, 303 Stainless Steel Threaded Inserts Offer Good Corrosion Resistance, High Tensile Strength And Hardness, High Temperature Resistance And Thread Accuracy. They Are Passivated For Increased Corrosion Resistance And A Smooth, Clean Surface Finish, And Extending Their Service Life And Ensuring Long-Term Performance.
Size - These Thread Repair Inserts Feature An Internal Thread Size Of M6 X 1 And An External Thread Size Of M10 X 1.5, With Small Groove, Making Them Suitable For A Variety Of Applications. Measuring 15mm (0.59") In Length, The Threaded Inserts Are Easy To Use For A Wide Range Of Threading Needs.
Notes - The Bottom Of The Thread Repair Sleeve Is Designed With A Small Groove For Easy Screwing In During Installation. Installation Is Quick And Easy, And Only One Assembly Tool Is Required. Make Sure Threaded Inserts Are Installed Correctly Using The Proper Tools And Techniques To Prevent Damage And Ensure A Secure Tightening. Be Careful When Inserting Screws Or Bolts Into Threaded Inserts To Avoid Cross-Threading.
Features - Threaded Reducers Can Greatly Improve The Strength And Stability Of Threaded Connections. The Threading Sleeves Can Be Reused And Installed Into Threaded Holes To Repair Damaged Threads. Stainless Steel Threaded Inserts Have Deep, Clear Threads And Even Force, Providing A Cost-Effective Solution For Repairing Mis-Threaded Or Damaged Internal Threaded Holes.
Applications - Thread Repair Inserts Are Widely Used In Aviation, Automobiles, Steam Turbines, Molds, Computers, Lamps, Mechanical Equipment, Radiators And Household Appliances, Etc. To Ensure Safe And Stable Thread Repair. Threaded Reducer Is A Reliable Choice For A Variety Of Applications Where Durability And Performance Are Key Requirements. Can Be Used For Parts That Require Frequent Disassembly.
#TOP 9

sourcing map 16 Pcs Threaded Inserts

sourcing map
a25021800ux2304
Gold
M8x10x12mm
sourcing map 16 Pcs Threaded Inserts Cover
sourcing map 16 Pcs Threaded Inserts, M8 Brass Heat Set Insert for 3D Printing and Plastic Material Female Knurled Insert Nuts for Laptops Electronic Products, M8x10x12mm
ftb score rating icon 9.4
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Features
Material: Brass; Surface Treatment: Cleaning And Passivation; Inner Thread Size: M8x1.25mm(Dia*Pitch); Outer Diameter: 10 Mm/0.39 Inch; Height: 12 Mm/0.47 Inch; In The Package Of: 16 Pcs X Nut Inserts
These Brass Threaded Inserts Are Widely Used And Suitable For Computer Products, 3D Printing Injection Molding, Electronics, Automotive Manufacturing, Circuit Board Fixing, Construction Industry, Etc. To Provide A Secure Fastening Connection.
Make Sure The Hardware Nut Is The Correct Size And Type For Your Application. Retrofit Into The 3D Printed Part Using Heat. Press The Heated Insert Into The Plastic Or 3D Printed Part Until Fully Embedded. Allow The Assembly To Cool To Ensure A Secure And Tight Fit.
Heating Precautions: Use Caution When Heating Knurled Brass Inserts To Avoid Burning Or Damaging Surrounding Materials.
Durable Material: The Heat-Set Insert Is Made Of Brass Material, Which Is Strong And Durable For Long-Term Use. Provides Good Mechanical Properties With Higher Corrosion And Heat Resistance. Thermoset Design: It Can Be Installed Into The Plastic Matrix By Ultrasound Or Heating, Or Formed During The Injection Molding Process. It Is Widely Used In 3D Printing Injection Molding And Is Easy To Install. Stable Structure: Adopts Twill Knurling Pattern To Provide Strong Grip And Threaded Connection.
#TOP 10

sourcing map Knurled Insert Nuts

sourcing map
a24021700ux0087
M6 x 14mm x 8mm
sourcing map Knurled Insert Nuts Cover
sourcing map Knurled Insert Nuts, 15Pcs M6 x 14mm(L) x 8mm(OD) Thread Printing Brass Nuts Female Threaded Inserts Brass Heat Set Insert Embedment Nuts
ftb score rating icon 9.4
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Features
Material - Made Of Brass Material, High Hardness And Durable. Provides Good Mechanical Properties With Increased Corrosion And Heat Resistance. The High Thermal Conductivity Of Brass Thread Inserts Means Faster Heating And Insertion Into Plastic Parts.
Thread Size: M6x1mm; Total Length: 14mm/0.55"; Outer Diameter（+0.5/-0mm）: 8mm/0.31"; Package Content: 15 X Knurl Thread Inserts Nuts
Feature - The Embedding Nut Has A Guide So There Is No Need For A Counterbore Or Countersink. Smooth Surface, Firm, And Uniform, Easy To Install.
Application - Can Be Installed By Ultrasonic Or Heat Into The Plastic Matrix, Or Formed During The Injection, Widely Used In 3D Printing Injection Molding, Computer Products, Electronic Products, Circuit Board Fixing, Etc., To Achieve Tight Fixing.
Advantage - Due To The Embossing Process On The Outer Diameter Of The Insert, It Forms Certain Friction And Bites Force With The Brass Insert After Forming, Which Can Be Fixed On The Inside So That It Will Not Fall Off Easily. Has A Certain Torsion And Tension.
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Editor's Notes

During our sourcing map nut insert research, we found 183 sourcing map nut insert products and shortlisted 10 quality products. We collected and analyzed 4,427 customer reviews through our big data system to write the sourcing map nut inserts list. We found that most customers choose sourcing map nut inserts with an average price of £20.00.

The sourcing map nut inserts are available for purchase. The top 10 picks range in price from a low of £1.00 to a high of £0.00, find the one that fits your budget.

Written by
Corey Phillips Avatar
Corey Phillips

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.