Thread size: M5 X 0.8mm. Thread inserts material: Stainless steel. 20PC x Wire thread inserts. Thread tap and the drill material: HSS (High-speed Steel). To repair a spark plug thread no Pre-drilling is necessary if using the special Spark Plug Tap.
25 X HELICOIL Thread Repair Inserts Type M5 M5 x 0.8
25PCS M5 x 0.8 Metric Thread Repair Install Tool Insert Kit M5 Helicoil Coil US
M5 x 0.8 Metric Thread Repair Install Tool Insert Kit M5 Helicoil Coil 25PCS
M5 x 0.8 Metric Thread Repair Install Tool Insert Kit M5 Helicoil Coil 25PCS US
Tusk 1340700001 Tusk Thread Repair Kit (M5) 5mm x .8mm Thread Pitch
