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10 Best threaded inserts of 2026

Explore top picks

  • 1

    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

    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

    9.8
    Exceptional
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  • 2

    191 PCS Threaded Inserts for Wood, 1/4"-20, 5/16"-18, 3/8"-16 Threaded Wood Inserts Furniture Screw Assortment, Wood Threaded Inserts with Hex Wrench
    Hapric

    191 PCS Threaded Inserts for Wood, 1/4"-20, 5/16"-18, 3/8"-16 Threaded Wood Inserts Furniture Screw Assortment, Wood Threaded Inserts with Hex Wrench

    9.7
    Exceptional

  • 3

    Kadrick 520Pcs M2 M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts
    Kadrick

    Kadrick 520Pcs M2 M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

    9.6
    Exceptional

  • 4

    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 (Threaded Inserts Ket)
    Ktehloy

    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 (Threaded Inserts Ket)

    9.3
    Excellent

  • 5

    105 Pcs M6 Rivet Nuts, M6 Threaded Inserts, Threaded Rivets, Nut Inserts, Stainless Steel Flat Head Rivnuts, Metal Knurled Nutsert Set
    ywchoshe

    105 Pcs M6 Rivet Nuts, M6 Threaded Inserts, Threaded Rivets, Nut Inserts, Stainless Steel Flat Head Rivnuts, Metal Knurled Nutsert Set

    9.0
    Excellent
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  • 6

    FFVRVSS 600+7Pcs M2 M2.5 M3 M4 M5 M6 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one Solutions
    FFVRVSS

    FFVRVSS 600+7Pcs M2 M2.5 M3 M4 M5 M6 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one Solutions

    8.9
    Very Good

  • 7

    420 Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Brass Heat Set Inserts for Plastic, Metric Knurled Nuts Insert Assortment Kit for 3D Printing Components
    Okxiri

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

    8.8
    Very Good

  • 8

    8PCS Weld Nuts,Weld-On Nuts 1/2"-13 Thread, 1-1/4"Long Threaded, Weld-on Nuts Stepped Female, Weld Nuts Made in Low-Carbon Steel, Easier to Welding
    Alvktora

    8PCS Weld Nuts,Weld-On Nuts 1/2"-13 Thread, 1-1/4"Long Threaded, Weld-on Nuts Stepped Female, Weld Nuts Made in Low-Carbon Steel, Easier to Welding

    8.7
    Very Good

  • 9

    FFVRVSS 300+6Pcs M2 M2.5 M3 M4 M5 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one Solutions
    FFVRVSS

    FFVRVSS 300+6Pcs M2 M2.5 M3 M4 M5 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one Solutions

    8.4
    Good

  • 10

    320+6Pcs M2 M2.5 M3 M4 M5 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one
    FFVRVSS

    320+6Pcs M2 M2.5 M3 M4 M5 Premium Brass Threaded Inserts, Metric Brass Knurled Nuts Assortment Kit, with Heat Set Insert Tool, for Plastic and 3D Printing Components, All-in-one

    8.2
    Good