This is a coil insert for defective M14 x 1,25 spark plug threads repairing and plating threads in materials with poor abrasion. To use the thread repair coil you’ll need a 14.4 mm hole and a 16 mm thread tap to create a threaded hole for it.
Pros:
- Repairs defective spark plug threads
- Suitable fro plating threads in materials with poor abrasion resistance
Specifications
Thread type : Metric
Thread diameter (mm) : 10
Thread size (metric) : 14
Pitch thread (mm) : 1.25
Length (mm) : 16.4
![Thread Coil Insert M14x1.25 16.4 mm [10 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/t239c.aa52d068_1ade4fc5-4905-4546-9f76-18b344ee8801.webp)
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![FKM O-ring 7.66 x 1.78mm (OD 11.22mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_c69b303b-2de8-4558-b315-f26832e41959.webp)
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