suitable for Mercedes Benz CDI enginesfor reaming the broken-off expansion bolt & repairing the M6 thread in the cylinder headtime saving as the replacement of the cylinder head and the removal of injectors and valve covers is not necessarydamaged thread is reworked to size M8 x 1

scope of delivery:

1 twist drill 6 mm, with adjusting ring for drilled depth1 step drill 7 to 8 mm, with adjusting ring for drilled depth1 guide sleeve for 6 mm twist drill1 tap M8x11 assembly tool for threaded inserts5 threaded inserts, inner thread M6x1 / outer thread M8x1