Helicoil-style thread repair kits provide a reliable and durable solution for stripped or damaged threads in metal components. These kits include precision coil inserts and specialized tools to restore threads to their original strength—often even stronger than before. Ideal for automotive, aerospace, industrial, and DIY applications, our high-quality thread repair kits ensure a secure, long-lasting fix. Whether you’re dealing with spark plug threads, engine blocks, or machinery parts, our selection of Helicoil-compatible kits offers the perfect repair solution.

• Hundreds of Sets  in Stock
• A Variety of Thread forms are stocked – METRIC BA,  , BSW, BSF,UNF, UNC ETC ETC
• Spare Inserts are also in stock
• FREE UK mainland delivery on all Thread Repair Kits 
• World Wide Shipping available – costs calculated at checkout
• Our technical staff are always on hand to assist you
• Tel (01582) 471900, Email sales@chronos.ltd.uk
• 10,000 square foot engineering supplies showroom (next day delivery available)
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