|Nut: Tempered steel, European material property
class 10.9 grade
("m" height = 3 x thread diameter)
||For joining bolts DIN 787 and studs (DIN
6379). For functional and safety purposes, bolts and/or studs
to be coupled should be screwed in on either side to half the
length of the nut. Minimum thread reach should be 1 x diameter.