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🔧 Upgrade your threads, avoid the slip—secure every connection like a pro!
This 50-piece set of stainless steel self-tapping threaded inserts (sizes M3 to M12) is engineered to reinforce and repair damaged inner threads in soft materials such as plastic and copper. Featuring high hardness, low abrasion, and elastic load distribution, these inserts resist vibration-induced loosening and offer quick, tool-only installation without pre-threading. Ideal for professionals seeking durable, reusable, and cost-effective thread repair solutions.








| ASIN | B07Q611L33 |
| Best Sellers Rank | 284,609 in DIY & Tools ( See Top 100 in DIY & Tools ) 340 in Nut Inserts |
| Brand | Jectse |
| Brand Name | Jectse |
| Colour | Silver |
| Country Of Origin | China |
| Customer Reviews | 4.0 out of 5 stars 58 Reviews |
| Fastener Type | Insert |
| Fastener type | Insert |
| Finish Types | Stainless Steel |
| Item Diameter | 3 Millimetres |
| Item Dimensions | 10 x 8 x 2 centimetres |
| Item Shape | Round |
| Item Weight | 0.2 Kilograms |
| Item dimensions L x W x H | 10 x 8 x 2 centimetres |
| Manufacturer | Jectse |
| Manufacturer Part Number | Jectseid7q428x1o |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | Jectseid7q428x1o |
| Number of Pieces | 50 |
| Screw Head Style | Hex |
| Set Name | Threaded Insert Set |
| Size | M 12 |
| Thread Size | M8 |
| UPC | 747333448085 |
S**S
Waste of money do not buy
Thread not strong enough came out within a day , waste of money
L**W
Easy to use
Great selection of sizes for what I needed.
S**R
Kein Edelstahl
Achtung Betrug! Hierbei handelt es nicht um Edelstahl, sondern um vernickelten Stahl. Dies erkennt man an der behandelten Oberfläche, dem Glanzgrad und daran, dass die Ensat magnetisch sind. Magnetisch Klammer ich ein, da ich nicht davon ausgehe, dass es sich um V4A handelt… Bei Edelstahl wäre keine Oberflächenbehandlung nötig.
F**O
Fanno il loro
Peccato sia difficilissimo trovare M12x1,25. I calibri più piccoli molto più utili. Meglio utilizzare punte con diametro X1/2, maschiare e avvitare. Io ho persino applicato una goccia di frena filetto. Diventano inamovibili e duraturi se messi bene.
S**9
Adeguato
L'Oggetto non è di acciaio inox come me lo aspettavo, in quanto aderisce alla calamita Comunque da ricerche effettuate credo sia una tipologia di inox non purissima
Trustpilot
1 month ago
4 days ago