Not sure about the hole but the stud size is M12 X 1.25
18mm
8mm
M12 signifies that the shank is 12 mm diameter. The length will vary. +++ Another tip: The A/F size of a standard M12 bolt or nut is 19mm, so close to 3/4" that the latter spanner will work - but be aware that this is the only co-incidence between metric and inch-based fastenings; and the M-series proportions don't follow a very consistent path!
M12 x 1.25 x 40
size is M12 x 1,5 dont know the length of the bolt though
The standard 10 bolt hole size for this application is 3/16 inch.
The standard size of a 3/8 bolt hole is typically 0.40625 inches in diameter.
You drill the proper size hole in to the bolt and remove it with an E-Z Out.
A bolt hole size chart provides information on the recommended sizes of holes to be drilled for specific bolt sizes. This helps ensure proper fit and secure fastening of bolts.
To accommodate a 3/8 bolt, drill a hole that is 3/8 inch in diameter.
it is the same size of the bolt same as the hole and thread. the higher the grade of the bolt the more touque you can apply.