

🔧 Upgrade your threads, lock in reliability — don’t let your gear fall behind!
The 3520-4.00K M4 x 0.7 Thread Repair Kit by PowerCoil delivers precision-engineered stainless steel wire thread inserts that restore or enhance internal threads with superior strength, corrosion resistance, and heat tolerance. Available in free running or screw locking variants, these inserts ensure lasting performance and vibration resistance, all in a compact, lightweight form factor ideal for professional-grade repairs and upgrades.
| Manufacturer | PowerCoil |
| Part Number | 3520-4.00K |
| Product Dimensions | 16.51 x 8.26 x 1.91 cm; 0.28 g |
| Item model number | 3520-4.00K |
| Item Package Quantity | 1 |
| Included Components | 3520-4.00K |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 0.28 g |
M**D
Works a treat
Used this kit to repair a Shimano mountain bike brake caliper. Worked a treat.No problems drilling the tapping size hole. I did borrow a 'T' tap wrench from work just to make life easier when tapping the hole for the powercoil..All in all no problems.
Trustpilot
2 weeks ago
1 week ago