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Helical Insert, 20Pcs Threaded Insert, Stainless Steel SUS303 Self Tapping Screw Insertt, for Parts that Requires Frequent, spring lock washers : Industrial & Scientific

20pcs Self Tapping Threaded Insert M4 x 8mm Self Tapping Slotted Screw Metal Thread Insert Nuts Stainless Steel Thread Insert Nuts for Helical Repair, Thread Reinforce Repair Tool: : Industrial & Scientific

M4 Self Tapping Insert - Stainless Steel (A2)

20pcs Stainlessy Steel Screw Coiled Wire Helical Threaded Inserts Set Helicoil Thread Repair Insert M2 M2.5 M3 M4M5M6M8M10M12M14 - AliExpress

20Pcs Helicoil Thread Repair Insert, x 1.5 Stainless Steel Thread Repair Sleeve Bushing Screw, Thread Insert Coiled Wire Insert Helical Insert (1D), Fastener : Industrial & Scientific

8MM Thread Repairing Nut, 10Pcs Self Tapping Threaded Inserts Helical Repair Stainless Steel Heat Set Inserts: : Industrial & Scientific

Thread Insert, 20Pcs 302 Carbon Steel Self Tapping Thread Insert AccessoriesInner M2 0.4 Outer M4.5 * 0.5 (Inner M2*0.4 Outer M4.5 * 0.5 Length 6mm): : Industrial & Scientific

Thread Repair Insert Kit Insert Thread Protection Sleeve Thread Repair Suitable for LowStrength Engineering Materials: : Industrial & Scientific

M4 x 8mm Self Tapping Thread Inserts, 20Pcs Helical Screw Threaded Inserts, Metal Slotted Screw Thread Insert Helical Repair Set for Helical Repair: : Industrial & Scientific

20Pcs M4 Metal Self Tapping Insert Insert Screw M4 Slotted Screw Thread Insert Helical Repair Set M4 X 8mm Set: : Industrial & Scientific