Equivalent Metric Bolt - 1

Hi!
M16 means boltdiam 16mm
M27 means boltdiam 27mm
a.so
It depends on your clients spec.
There are different Bolt Specifications like DIN-Spec, EN-Spec, ISO-Spec.
for ex.
DIN2510 for bolt with two nuts
EN ISO 4014, EN ISO 4017 for mach-bolts EN ISO 4032 for required nuts
a.so

So you have to inform by yourself

Hi!
M16 means boltdiam 16mm
M27 means boltdiam 27mm
a.so
It depends on your clients spec.
There are different Bolt Specifications like DIN-Spec, EN-Spec, ISO-Spec.
for ex.
DIN2510 for bolt with two nuts
EN ISO 4014, EN ISO 4017 for mach-bolts EN ISO 4032 for required nuts
a.so

So you have to inform by yourself