Thread size: M8 X 1.25mm. Thread tap and the drill material: HSS (High-speed Steel). Check that thread and pitch of the tap and the bolt match. To repair a spark plug thread no Pre-drilling is necessary if using the special Spark Plug Tap.
TIME SERT® Würth M8 x 1MM Thread Repair System Kit - M8 Inserts 066108100
TIME SERT® Würth M8 x 1mm Thread Repair System Kit - M8 Inserts 066108100
Wurth TIME SERT® Kit M8 x 1 Thread Repair System - Tap Drill Bore 10 x Inserts
5 x Time-Sert M8 x 1.25 x 16.2mm Thread Repair Inserts - M8 Helicoil Replacement
20 x TIME-SERT® M8 x 1.25 x 16.2mm Thread Repair Inserts M8 Helicoil Replacement
5x TIME-SERT® M8 x 1.25 x 20mm Thread Repair Inserts - M8 Helicoil Replacement
