DAYUAN 131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10 M12

DAYUAN 131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10 M12

• This 131pcs thread repair kit is the perfect solution to a damaged or stripped tapped hole
• It's suitable for M5, M6, M8, M10 and M12, the kit creates a stronger internal thread in soft metals and protects tapped threads against wear and damage.
• This re-thread tool full set include: insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools
• All tools were packed in a convenient steel carrying case, ease and fast in collecting and placing the tools.
• Coarse Thread Inserts Coil Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm

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 required.<br>CHECK: Check that thread and pitch of the tap and the bolt match.<br>TAPPING: Use the special V-Coil-Taps for cutting the holding thread into the cleared hole.<br>It is recommended to use suitable cutting oil.<br>INSTALL 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.<br>TANG 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 one.<br><br>Specifications: <br>Condition: 100% Brand New <br><br>Package Includes: <br>5pcs Insert Installations: M5, M6, M8, M10, M12<br>5pcs Twist Drill Bits: M5, M6, M8, M10, M12<br>5pcs Thread Taps: M5, M6, M8, M10, M12<br>5pcs Lug Breaking Tools: M5, M6, M8, M10, M12<br>110pcs Wire Thread Inserts: 25pcs M5, 25pcs M6, 25pcs M8, 25pcs M10, 10pcs M12<br><br>Ideal for restoring damaged threads, suitable for engine and other automotive applications. High impact metal case included.<br>