Inner thread M12 x 1.25. For repairing the glow plug mounting thread in the cylinder head. outer thread M14 x 1.25.
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Original Seoul 1988 Retinol Skin Care Set - Facial Essence Firming Eye Cream Moisturizer Lightening Repairing Korean Skin Care
Aliexpress UK
Product Code: CT3417. 25pc Spark Plug Thread Repair Kit. Plug Tap - M14 x 1.25. Step Tap - M14 x 1.25, M15.8 x 1.25. Insert Drive - ID - 3/8".
eBay
0.25mm Microneedle roller Winter Skincare Set Moisturizing and Repairing Barrier Protection Winter Special Care Facial Serum
Aliexpress UK
25PCS x Wire Thread Inserts M8 x 1.25 x 10.8mm. 10PCS x Wire Thread Inserts M12 x 1.75 x 16.3mm. 25PCS x Wire Thread Inserts M10 x 1.5 x 13.5mm. 25PCS x Wire Thread Inserts M6 x 1.0 x 8.0mm. 25PCS x Wire Thread Inserts M5 x 0.8 x 6.7mm.
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Korean Squalane Repairing Facial Set Hydrating Recovery Oil, Hydrating Serum, Moisturizing Gel Cream, Glow Serum Skin Care
Aliexpress UK
M10 X 1.5mm Thread Repair Tool Helicoil Wire Inserts Kit 15pcs. Thread size: M10 X 1.5 mm. Thread tap and the drill material: HSS (High-speed Steel). To repair a spark plug thread no Pre-drilling is necessary if using the special Spark Plug Tap.
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Agriculture Irrigation Venturi Fertilizer Injector Set Filter Water Tube Device Watering Kit Female Thread Irrigation 32/40/50mm
Aliexpress UK
Creates a stronger internal thread in soft materials.
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120-434Pcs 304 Stainless Steel Hex Button Socket Head Cap Screw Hexagon Thread Machine Metric Nut Bolt Assortment Kit Set M2~M6
Aliexpress UK
Oil Drain Plugs: M13 x 1.25, M13 x 1.5, M15 x 1.5, M17 x 1.5, M20 x 1.5, M22 x 1.5. Copper Washers: M13, M15, M17, M20, M22. Designed to fit nearly all applications, this kit is perfect for repairing sump, gearbox, and differential plug threads.
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PVC Pipe Threader Kit 1/2 3/4 Dies Cutter Electric Drill Compatible PVC Pipe Threader Kit PVC Thread Maker Tool for Home Repair
Aliexpress UK
25pcs x Wire Thread Inserts M8 x 1.25 x 10.8mm. 10pcs x Wire Thread Inserts M12 x 1.75 x 16.3mm. 25pcs x Wire Thread Inserts M10 x 1.5 x 13.5mm. 25pcs x Wire Thread Inserts M6 x 1.0 x 8.0mm. 25pcs x Wire Thread Inserts M5 x 0.8 x 6.7mm.
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M2 M3 M4 M5 M6 Brass Heat Insert Nut Screw Set Grade10.9 DIN7991 Hex Socket Bolt Hot Melt Thread Inserts Kit for 3d Printer
Aliexpress UK
Wurth M8 x 1mm tap so you may recover the plug thread without needing a new insert. I have owned this from new and used it twice only - hence only 3 inserts left - these kits are expensive new at £200 plus - so nice bargain especially considering the extra tap - these are the best kits available - German quality engineering - comprising.
eBay
6 PCS PVC Pipe Threader Plumbing Tool Kit，Thread Maker Tool, Pipe Threader Kit with 1/2 Inch 3/4 Inch 1 Inch Dies Reusable
Aliexpress UK