30x Metric Thread Repair Insert Kit M5 M6 M8 Car Pro Coil Tool Features: Thread repair kit including 25/15/10 wire thread inserts. Ideal for restoring damaged threads, suitable for engine repair and other automotive. Applications for steel, cast iron and aluminum.Can be used in daily repair, car repair, drilling machine, etc. Made of high quality material, sturdy and durable in use. Specification Thread tap and the drill material: HSS Thread specification: M4 M5 M6 M8 M10 M12 M14 Thread inserts material: Stainless steel Condition:New Wrench: surface electrophoresis Country/Region of Manufacture:China Color: as shown Type:Heli-Coil Insert Included: M6 Combination: M6 x 25 Material Stainless Steel ScrewRepair wrench x 2 surface electrophoresis treatmentTwist Drill 6.2mm x 1 Material HSSSleeve tap M6 x 1 material HSSSmall wrench x 1How to use: 1.Drill out damaged thread using correctly sized drill bit 2.Tap re-drilled hole using tap supplied 3.Load coiled insert into applicator 4.Screw coil into casting 5.Using lug breaking tool,break off tag on insert 6.Thread is repaired and ready to use.Package Included30x Metric Thread Repair Insert Kit M6 Car Pro Coil Tool