Menu
Search
Advertising Disclosure

10 Best metric inserts kits of 2026

Save up to 50% off

  • 1

    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
    E-Z LOK

    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

    9.9
    Exceptional
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
    Careful review Our team ensures quality, value, and fit based on real user feedback
    Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
    Real users impact
    • Thousands of users trust our site daily
    • Based on millions of stores and reviews
    • Shoppers influence our rankings

  • 2

    Wire Screw Sleeve Thread Repair Inserts Assortment Kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Helical Thread Repair Kit 210Pcs
    Zovfam

    Wire Screw Sleeve Thread Repair Inserts Assortment Kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Helical Thread Repair Kit 210Pcs

    9.8
    Exceptional

  • 3

    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
    FFVRVSS

    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

    9.5
    Excellent

  • 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)

    9.2
    Excellent

  • 5

    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

    9.1
    Excellent
  • See Today’s Deals & Prices

  • 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

    9.0
    Excellent

  • 7

    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

    8.7
    Very Good

  • 8

    INCLY 440PCS Threaded Inserts Set with Soldering Tip & Adapter, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit，Brass Hardware Nuts for Plastic and 3D Printing Component
    INCLY

    INCLY 440PCS Threaded Inserts Set with Soldering Tip & Adapter, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit，Brass Hardware Nuts for Plastic and 3D Printing Component

    24% Off
    8.6
    Very Good

  • 9

    M5 Threaded Inserts Assortment Kit, Female Thread Metric Knurled Nuts, 60 pcs Heat Embedment Brass Nuts for Plastic and 3D Printing Components (30 pcs Each of 8 mm and 10 mm Height)
    ATHYUTH

    M5 Threaded Inserts Assortment Kit, Female Thread Metric Knurled Nuts, 60 pcs Heat Embedment Brass Nuts for Plastic and 3D Printing Components (30 pcs Each of 8 mm and 10 mm Height)

    50% Off
    8.5
    Good

  • 10

    400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D Printing Components
    Zruosiniy

    400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D Printing Components

    8.3
    Good