Amazon.com: 10Pcs Thread Reducing Nut Repairing Insert Kit Pipe Fitting Reducer Adapter Stainless Steel Fastener Accessory, Female M5 x 0.8mm, Male M8 x 1.25mm 12MM : Industrial & Scientific
M10 x 1 Schneideisen Feingewinde Aussengewindeschneider : Amazon.de: Baumarkt
Schneideisen M10x1,25 Mf metrisch fein HSS Schneidrad Schneidkluppe Kluppe Gewindeschneider DIN 223 Linksgewinde M 10x1,25 Mf : Amazon.de: Baumarkt
XINGYHENG 120pcs M3 M4 M 5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit with Plastic Box: Amazon.com: Industrial & Scientific
BGS 1950 Thread Repair Kit, Silver/Blue, Size M5-M12, Set of 130 Pieces - - Amazon.com
Taiidaues 110 Piece Hardened Alloy Steel Metric Tap And Die Threading Tool Set, SAE Standard Metric Tap Die Set for Cutting External and Internal Threads - With Storage Case - - Amazon.com
SharCreatives 60 Piece Metric & SAE Threading Tap & Die Tool Set Coarse and Fine Threads for Threading and Re-threading with Accessories and Storage Case - - Amazon.com