DAYUAN 131Pc Thread Repair Kit, HSS Drill Helicoil Repair Kit Metric M5 M6 M8 M10 M12

DRILLING: Clear the damaged thread with a Standard Drill. Up to M6 the kits include the correct drill. To repair a spark plug thread no Pre-drilling is necessary if using the special Spark Plug Tap. Please pay attention that for Fluteless Taps bigger holes are requiredK: Check that thread and pitch of the tap and the bolt matchING: Use the special V-Coil-Taps for cutting the holding thread into the cleared hole is recommended to use suitable cutting oilALL THE INSERT: Place insert on installation Tool and position the adjustable ring so that the insert tang is centered in the tang slot. Wind the insert in with a light downward pressure until a half turn below the surface. Don’t work against thread direction as the tang could break REMOVAL: After finishing lift the installation tool and use the tang break tool to remove the tang. For bigger sizes and spark plug tags use long nose pliers to remove the tang. Due to the narrow and exact tolerances the new thread normally is stronger than the original oneifications: Condition: 100% Brand New Package Includes: 5pcs Insert Installations: M5, M6, M8, M10, M125pcs Twist Drill Bits: M5, M6, M8, M10, M125pcs Thread Taps: M5, M6, M8, M10, M125pcs Lug Breaking Tools: M5, M6, M8, M10, M12110pcs Wire Thread Inserts: 25pcs M5, 25pcs M6, 25pcs M8, 25pcs M10, 10pcs M12Ideal for restoring damaged threads, suitable for engine and other automotive applications. High impact metal case included.