With the V-COIL Thread Repair Kit UNC No. 4 × 40 you can quickly and precisely repair damaged or worn UNC internal threads. The complete kit contains all the tools you need for a reliable and durable repair — ideal for maintenance, workshop use or small series production.
Your benefit: a fast, durable repair without reworking the component.
Can I use this kit for aluminum?
Yes, the stainless steel inserts are perfect for soft materials like aluminum or plastic.
What does 1.5D mean?
The insert length is 1.5 times the nominal thread diameter, ensuring high load capacity.
Is the drill included?
Yes, the matching 3.1 mm STI twist drill is included in the kit.
Do I need any special tools?
No, everything required is included in the set – you can perform the repair manually.
How long will the repair last?
Properly installed inserts provide a permanent and wear-resistant repair.
Are other sizes available?
Yes, V-COIL offers kits for all common UNC and UNF thread sizes.
Need replacement inserts or special sizes?
Contact us easily via the contact form.
| Material | Wire Thread Inserts frostainless steel |
|---|---|
| Size | Diameter UNC No. 4 x 40 |
| Packing | in plastic case |
| EAN | 4022835041016 |
| Item number | 04101 |
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