Specification Brand : Happybuy BulletPoint1 : Convenient Storage Case: The heli coil thread repair kit comes with a carry case that neatly organizes all your thread repair tools. It enables you to effortlessly transport the kit from one job to the next, guaranteeing a smooth and trouble-free experience. BulletPoint2 : Built to Last: This helicoil thread repair kit has drill bits and taps made of top-quality steel, heat-treated to HRC 50-60 for exceptional durability. The kit also comes with numerous metal thread inserts, each crafted from high-strength 304 stainless steel, ensuring long-term use and reliability for all your repair tasks. BulletPoint3 : Easy to Use: Designed for ease of operation, this thread repair kit enables you to drill, tap, insert the coil, and break the tang to restore the thread quickly and efficiently. Additionally, the insert tool has a rubber-coated grip for a comfortable and reliable hold during work, making it ideal for mechanics, auto repair workers, and DIY enthusiasts. BulletPoint4 : Comprehensive Kit: The metric helicoil kit is perfect for restoring damaged threads and is great for engine repairs and other automotive uses. It consists of 166 pieces: 145 thread inserts, 5 twist drills (5.2mm, 6.3mm, 8.3mm, 10.5mm, 12.5mm), 5 taps (M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75), 5 breaking pin tools, 5 installation tools, and 1 hex key. All metric sizes match most component specifications and are ready to meet your daily work requirements. BulletPoint5 : Wide Application: This helicoil repair kit is specially designed to fix stripped, damaged, or worn threads in various materials such as aluminum, iron, carbon steel, bronze, magnesium, and more! It's suitable for machining, automotive repair, and equipment maintenance. IncludedComponents : 1 x Thread Repair Kit 1 x User Manual ItemName : Happybuy Helicoil Thread Repair Kit, 166-Piece Metric HSS Drill Helicoil Repair Kit, M5 M6 M8 M10 M12 Heli Coil Rethreading Tool Kit with HSS Drill Bits Thread Inserts Taps Breakoff Installation Tools ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-thread-repair-metric-kits Manufacturer : Happybuy ModelName : 61-Piece Thread Chaser Set ModelNumber : LWCXTZ166 NumberOfItems : 1 PartNumber : 166-Piece ProductDescription : Item Model Number: XRGZ166 Quantity: 166 Pcs Main Material: HSS Specifications: M5, M6, M8, M10, M12 Main Color: Red & Black ProductSiteLaunchDate : 2025-01-06T08:15:00.143Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 27111700