Size
8 inch m4 m8 m14 m16,as your requirement
Material
stainless steel,brass,aluminum,steel,etc.
Surface Treatment
galvanizing,chrome,zinc plated,Anodizing,Hot-dip.etc
Grade
4.8,5.6,6.8,8.8,10.9,12.9
Advantage
custom non standard
Standard
DIN603,BS,ANSI,ISO
Sample
Sample is available
keyword
carriage bolts and nuts