you can use this method to expand the M12 thread to M20
for Lexus CT200h 2011-2014
Fitment:for Nissan Qashqai J10 2007-2014
for d part
is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference
M12x30mm Hex Flange Bolts, 3pcs 10.9 Grade Carbon Steel Hexagon Head Screws Stickers you can use this methodDescription: 1. Material: Made of 10. 9 grade carbon steel, black oxide coating finish, high strength, wear resistant, anti corrosion. 2. Application: It is widely used in the assembly and maintenance of households, machine tools, construction, and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel framed houses, etc. 3. Design: There is a circular flange under the head of the flange